Publications
BATCircle3.0 (2024-)
2025
Bandina, E., Elkabous, M., Iurchenkova, A., El Ouardi, Y., Repo, E., 2025. 3D-printed polyamide-H2TiO3 composite for selective lithium adsorption: Insights from experimental and theoretical dynamic simulations studies. Minerals Engineering 231, 109470, https://doi.org/10.1016/j.mineng.2025.109470
Leinonen, J., Laine, P., Hu, T., Kankaanpää, T., Tynjälä, P., Lassi, U., 2025. Effect of coprecipitation conditions on the properties of Fe0.5Mn0.5Co3 sodium-ion cathode precursor. ACS Omega 10(33), pp. 37128-37140. https://doi.org/10.1021/acsomega.5c01869
Leinonen, S., Pokki, J. Geochemical sampling in Kaustinen, Finland – Indications of new lithium sources. Journal of Geochemical Exploration 278, pp. 1-18. https://doi.org/10.1016/j.gexplo.2025.107856
Lin, Y., Ramesh, H.N., Gironda, A.J., Jia, X., Liyan, L., Xiaoxiao, J., Yandong, G., Seidler, G.T., Hu, T., Lassi, U., Cao, G., 2025. K+ pre-intercalated hydrated vanadium pentoxide for enhanced stability and kinetics in sodium ion battery cathodes, J. Power Sources 653, 237766. https://doi.org/10.1016/j.jpowsour.2025.237766
Lin, Y., Tynjälä, P., Wang, S., Peta, G., Mo, H., Wu, Z., Ma, R., Aurbach, D., Hu, T., Lassi, U., 2026. Tuning cation ordering and Mn3+ content in non-stoichiometric LiNi0.5-xMn1.5+xO4-y (LNMO) for enhanced cathode stability in lithium-ion batteries. Journal of Energy Storage 141(A), paper no. 119200. https://doi.org/10.1016/j.est.2025.119200
Praats, R., Sainio, J., Vikberg, M., Klemettinen, L., Wilson, B.P., Lundström, M., Kruusenberg, I., Liivand, K., 2025. A Pathway to Circular Economy-Converting Li-Ion Battery Recycling Waste into Graphite/rGO Composite Electrocatalysts for Zinc–Air Batteries, Batteries 11(4), 165. https://doi.org/10.3390/batteries11040165
Rantala, V., Kauppinen, T., Välikangas, J., Hu, T., Lähde, A., Tuomikoski, S., Lassi, U., 2025. Comparison of thermal and chemical purification methods for graphite from spent lithium-ion batteries. Separation and Purification Technology 376(2), 133992. https://doi.org/10.1016/j.seppur.2025.133992
dos Reis, G.S., Subramaniyam, C.M., Grimm, A., Hamedi, M.M., Molaiyan, P., García-Alvarado, F., Lassi, U., Goclon, J., Petnikota, S., 2025. Biomass-derived macroporous carbon-tin oxide composites as stable and high-capacity anodes for lithium-ion and sodium-ion batteries: experimental study and GFN1-xTB calculations. Physical Chemistry Chemical Physics 27, pp. 14000-14014. https://doi.org/10.1039/D5CP01053E
Rinne, M., Lappalainen, H., Lundström, M., 2025. Evaluating the possibilities and limitations of the pyrometallurgical recycling of waste Li-ion batteries using simulation and life cycle assessment. Green Chemistry 27, pp. 2522-2537. https://doi.org/10.1039/D4GC05409A
Rostami, H., Mehdipour, P., Hu, T., Molaiyan, P., Tynjälä, P., Lassi, U., 2025. Enhancing high-energy lithium-ion batteries through graphene oxide coating of Ni-rich Li[Ni0.88Co0.09Mn0.03]O2 cathode material. Sustainable Energy & Fuels 9(11), pp. 3041-3054. https://doi.org/10.1039/D5SE00052A
Saleem, M., Lassi, U., Srivastava, V., Tuomikoski, S., 2025. A review of silicon-carbon anode materials: The role of precursor and its effect on lithium-ion battery performance. Journal of Power Sources 641, 236879. https://doi.org/10.1016/j.jpowsour.2025.236879
Sruthy, E.S., Grimm, A., Paul, M., Cherian, C.T., Thyrel, M., Molaiyan, P., Lassi, U., Petnikota, S., Dos Reis, G.S., 2025. Low-temperature Highly Graphitized Porous Biomass-based Carbon as an Efficient and Stable Electrode for Lithium-ion Batteries and Supercapacitors. Chemical Engineering Journal Advances 22, 100762. http://dx.doi.org/10.1016/j.ceja.2025.100762
Vänskä, J., Partinen, J., Zou, Y., Lundström, M., 2025. Leaching of lithium iron phosphate in the presence of Cu and Al in mild sulfuric acid solutions. Journal of Sustainable Metallurgy 11, pp. 2837-2851. https://doi.org/10.1007/s40831-025-01159-3
Zhang, J., Xu, L., Lin, Y., Xie, B., Li, C., Hu, T., Lassi, U., Ma, R., Lim, C.M., 2025. Coupling Interfaces between Hollow Carbon Dodecahedrons and Layered Double Hydroxides for High-Performance Rechargeable Zinc-Air Batteries. Frontiers of Physics 20(1), 014210, https://doi.org/10.15302/frontphys.2025.014210
2024
Cui, Z., Shi, L., Lin, Y., Yang, S., Wu, Z., Hu, T., Lassi, U., Ma, R., 2024. Lattice expansion of MnO induced by sulphur doping for enhanced aqueous zinc-ion diffusion and storage. Chemical Communications 60, pp. 13219-13222, https://doi.org/10.1039/D4CC04773G
Praats, R., Sainio, J., Vikberg, M., Klemettinen, L., Wilson, B.P., Lundström, M., Kruusenberg, I., Liivand, K., 2024. Utilizing waste lithium-ion batteries for the production of graphite-carbon nanotube composites as oxygen electrocatalysts in zinc–air batteries. RSC Sustainability 3 (1), pp. 546-556. https://doi.org/10.1039/d4su00526k
BATCircle2.0 (2021-2024)
2025
Bachér J., Jenu, S., Kajolinna, T., 2025. Recognition of waste lithium-ion battery cell chemistry for recycling. Waste Management 194, pp. 137-148. https://doi.org/10.1016/j.wasman.2024.12.038
El Bojaddayni, I., El Ouardi, Y., Elkabous, M., Achalhi, N., Yousuf, A., Karzazi, Y., Ouammou, A., Virolainen, S., 2025. Dynamic simulation-driven analysis of cadmium, nickel, cobalt, and iron adsorption mechanisms in zeolite LTA synthesized from bentonite. Microporous and Mesoporous Materials 384, 113433. https://doi.org/10.1016/j.micromeso.2024.113433
Lappalainen, H., Elomaa, H., Aromaa, J., Lundström, M., 2025. Life cycle assessment of ore-based lithium carbonate production and the impact of sodium sulfate electrodialysis. Hydrometallurgy 233, 106450. https://doi.org/10.1016/j.hydromet.2025.106450
Roa, A., Butylina, S., López, J., Cortina, J., Virolainen, S., Mänttäri, M., 2025. Lithium recovery from battery waste leachate by nanofiltration: Impact of types of leaching acid and alkaline on permeability of lithium ions. Separation and Purification Technology 360 (1), 130821. https://doi.org/10.1016/j.seppur.2024.130821
Slotte, P., Pohjalainen, E., Hanski, J., Kivikytö-Reponen, P., 2025. Effect of life extension strategies on demand and recycling of EV batteries – material flow analysis of Li and Ni in battery value chain for Finnish EV fleet by 2055. Resources, Conservation and Recycling 215, 108081. https://doi.org/10.1016/j.resconrec.2024.108081
Wesselborg, T., Asumalahti, S., Virolainen, S., Sainio, T., 2025. Continuous multicolumn ion exchange process for spent lithium-ion battery leachate: Recovery and purification of a Li + Ni + Co mixture. Separation and Purification Technology 353, Part B, 128351. https://doi.org/10.1016/j.seppur.2024.128351
2024
Achalhi, N., El Ouardi, Y., Virolainen, S., El Yousfi, R., Lamsayah, M., Butylina, S., El Barkany, S., Repo, E., El Idrissi, A., 2024. Ionic liquids-assisted integration of biobased materials for sustainable elaboration of nanocomposites using hydroxyethyl cellulose and interlayered clay for efficient separation of Co(II) from multi-component mixtures. Cellulose 31(16), pp. 9887-9906. https://doi.org/10.1007/s10570-024-06199-8
Ahmed, H., dos Reis, G.S., Molaiyan, P., Lähde, A., Lassi, U., 2024. Silicon/Carbon Composite Anode Materials for Lithium-ion batteries: Materials Design and Synthesis, Current State, Progress, and Future Perspectives. Progress in Energy 7, 022003. https://doi.org/10.1088/2516-1083/ada90f
Alajoki, J., Karppinen, A., Rinne, T., Serna-Guerrero, R., Lundström, M., 2024. Leaching strategies for the recovery of Co, Ni, Cu, and Zn from historical tailings. Minerals Engineering 217, 108967. https://doi.org/10.1016/j.mineng.2024.108967
Biswas, J., Esekheigbe, E., Partinen, J., Lundström, M., Jokilaakso, A., 2024 Extraction of rare earth metals from NiMH battery scrap via selective sulfation roasting. Journal of Sustainable Metallurgy 10(3), pp. 1354–1368, https://doi.org/10.1007/s40831-024-00861-y
Chernyaev, A., Kobets, A., Liivand, K., Tesfaye, F., Hannula, P.-M., Kallio, T., Hupa, L., Lundström, M., 2024. Graphite recovery from waste Li-ion battery black mass for direct re-use. Minerals Engineering 208, 108587. https://doi.org/10.1016/j.mineng.2024.108587
Chudasama, B., Romppanen, S., 2024. Till geochemical characterization of the Kaustinen lithium province of Finland: Implications for lithium targeting. Ore and Energy Resource Geology 17, 100060. https://doi.org/10.1016/j.oreoa.2024.100060
Heponiemi, A., Pesonen, J., Tynjälä, P., Lassi, U., 2024. Use of waste sodium sulfate from battery chemical production in the preparation of alkali-activated materials. ACS Sustainable Resource Management, 1(7), pp. 1400-1407, 28371445. https://doi.org/10.1021/acssusresmgt.4c00052
Karppinen, A., Seisko, S., Lundström, M., 2024. Atmospheric leaching of Ni, Co, Cu, and Zn from sulfide tailings using various oxidants, Minerals Engineering, 207, 108576. https://doi.org/10.1016/j.mineng.2024.108576
Karppinen, A., Seisko, S., Nevatalo, L., Wilson, B.P., Yliniemi, K., Lundström, M., 2024. Gold recovery from cyanidation residue by chloride leaching and carbon adsorption – Preliminary results from CICL process. Hydrometallurgy 226, 106304. https://doi.org/10.1016/j.hydromet.2024.106304
Ke, P., Rinne, M., Kalliomäki, T., Wang, Z., Hannula, P.-M., Wilson B.P., Lundström, M., 2024. Sulfuric acid baking and Fe(III)-Cl‒-H2SO4 leaching behavior of Ni- and Cu-containing sulfide and silicate rich Suhanko concentrate. ACS Omega 9 (24), pp. 26121-26132. https://doi.org/10.1021/acsomega.4c01560
Klemettinen, A., Klemettinen, L., Rinne, T., O’Brien, H., Jokilaakso, A., Serna-Guerrero, R., 2024. Towards Integration of Ni-slag Cleaning Process and Lithium-ion Battery Recycling for an Efficient Recovery of Valuable Metals. Metallurgical and Materials Transactions B 55(5), pp. 3372–3386, https://doi.org/10.1007/s11663-024-03185-0
Kothalawala, V.N., Suzuki, K., Li, X., Berbiellini, B., Nokelainen, J., Makkonen, I., Ferragut, R., Tynjälä, P., Laine, P., Välikangas, J., Hu, T., Lassi, U., Takano, K., Tsuji, N., Amada, Y., Devi, A.A.S., Alatalo, M., Sakurai, Y., Sakurai, H., Babar, M., Vishwanathan, V., Hafiz., H., Bansil, A., 2024. Determining effects of doping lithium nickel oxide with tungsten using Compton scattering. APL Energy 2, 026102. https://doi.org/10.1063/5.0193527
Kothalawala, V.N., Suzuki, K., Nokelainen, J., Hyvönen, A., Makkonen, I., Barbiellini, B., Hafiz, H., Tynjälä, P., Laine, P., Välikangas, J., Hu, T., Lassi, U., Takano, K., Tsuji, N., Amada, Y., Devi, A.A.S., Alatalo, M., Sakurai, Y., Sakurai, H., Bansil, H., 2024. Compton scattering study of strong orbital delocalization in a LiNiO2 cathode. Physical Review B 109, 035139. https://doi.org/10.1103/PhysRevB.109.035139
Lappalainen, H., Rinne, M., Elomaa, H., Jari Aromaa, J., Mari Lundstrom, M., 2024. Environmental impacts of lithium hydroxide monohydrate production from spodumene concentrate – A simulation-based life cycle assessment. Minerals Engineering, 209, 108632. https://doi.org/10.1016/j.mineng.2024.108632
Leväniemi, H., Järvinen, V., Kamm, J., Niiranen, T., Salminen, J., Turunen, P., 2024. Petrophysical cobalt exploration indicators in Kuusamo, northern Finland. Ore Geology Reviews 175, 106372. https://doi.org/10.1016/j.oregeorev.2024.106372
Lin, Y., Zha, Z., Hui, X., Hu, T., Lassi, U., Chen, Z., Ma, R., Wu, Z., 2024. Bio-template induced SiOx nanoparticles dispersed in carbon with enhanced Li storage performance. Materials Today Chemistry 36, 101925. https://doi.org/10.1016/j.mtchem.2024.101925
Lähde, A., Välikangas, J., Meščeriakovas, A., Karhunen, T., Meščeriakovė, S.-M., Sippula, O., Leinonen, S., Ulla Lassi, U., Jokiniemi, J., 2024. Effect of high temperature thermal treatment on the electrochemical performance of natural flake graphite. Journal of Materials Research. https://doi.org/10.1557/s43578-024-01282-z
Molaiyan, P., Bhattacharyya, S., Dos Reis, G. S., Sliz, R., Paolella, A., Lassi, U., 2024. Towards greener batteries: Sustainable components and materials for next-generation batteries. Green Chemistry . https://doi.org/10.1039/D3GC05027K
Molaiyan, P., Valikangas, J., Sliz, R., Ramteke, D.D., Hu, T., Paolella, A., Fabritius, T., Lassi, U., 2024. Screen-Printed Composite LiFePO4-LLZO Cathodes Towards Solid-State Li-ion Batteries ChemElectroChem, e202400051, https://doi.org/10.1002/celc.202400051
Murashko, K., Karhunen, T., Meščeriakovas, A., Subedi, N., Lähde, A., Jokiniemi, J., 2024. Oxalic acid-assisted preparation of LTO-carbon composite anode material for lithium-ion batteries. Nanotechnology 35, 165603. https://doi.org/10.1088/1361-6528/ad1942
Porvali, A., Mäkelä, T., Mäkinen J., 2024. Character and leaching options of a Zn and Ni-containing secondary sulfide. Minerals Engineering 218, 109034. https://doi.org/10.1016/j.mineng.2024.109034
Praats, R., Chernyaev, A., Sainio, J., Lundström, M., Kruusenberg, I., Liivand, K., 2024. Supporting critical raw material circularity – upcycling graphite from waste LIBs to Zn–air batteries. Green Chemistry, 26(5), 2874-2883. https://doi.org/10.1039/D3GC04315K
Rinne, M., Aromaa-Stubb, R., Elomaa, H., Porvali, A., Lundström, M., 2024. Evaluation of hydrometallurgical black mass recycling with simulation-based life cycle assessment. The International Journal of Life Cycle Assessment 29(5), pp. 1582-1597. https://doi.org/10.1007/s11367-024-02304-y
Rinne, T., Saeed, M., Serna-Guerrero, R., 2024. Quantifying the degree of selectivity in a flocculation-flotation process of LiCoO2 and graphite using scanning electron microscopy and image processing analysis. Minerals Engineering 209, 108644. https://doi.org/10.1016/j.mineng.2024.108644
Rostami, H., Mehdipour, P., Hu, T., Välikangas, J., Kauppinen, T., Laine, P., Lassi, U., Sliz, R., Tynjälä, P., 2024. ZSM-5 coating for enhancing the performance of Ni-rich Li[Ni0.88Co0.09Mn0.03]O2 Cathodes in lithium-Ion batteries. Industrial & Engineering Chemistry Research, 63(20), pp. 8847-8859. https://doi.org/10.1021/acs.iecr.3c04400
Roy, I.S., Taponen, H., Välikangas, J., Hannila, E., Lassi, U., Fabritius, T., Sliz, R., 2024. Implementing Substrate Treatments to Enhance Adhesion and Facilitate Cyrene as an NMP Alternative for Sustainable Printed Nickel–Manganese–Cobalt-Based Battery Cathodes. Energy technology 12(11), 2400638. https://doi.org/10.1002/ente.202400638
Sardisco, L., Apeiranthitis, N., Hirani, J., Franzel, M., Jolis, E.M., Lukkari, S., Michallik, R.M., Tepsell, J., Pearce, T.J., Butcher, A.R., 2024. Battery mineral characterization – A case study of a nickel reference material. Materials Proceedings 15(1), 83. https://doi.org/10.3390/materproc2023015083 (D5.3.2(b), M36)
Sliz, R., Roy, I.S., Molaiyan, P., Välikangas, J., Jakkila, T., Hu, T., Nguyen, H.H., Hannila, E., Illikainen, S., Lassi, U., Fabritius, T., 2024. Various Solvent-Binder Compositions and their Crystalline Phase for Optimal Screen-Printing of NMC Cathodes, Batteries & Supercaps 7(3), e202300527. https://doi.org/10.1002/batt.202300527
Tas, G., Klemettinen, A., Serna-Guerrero, R., 2024. Circular and sustainable: Evaluating lithium-ion battery recycling using a combined statistical entropy and life cycle assessment methodology. ChemSusChem, e202400376. https://doi.org/10.1002/cssc.202400376
Wang, B., Kong, X., Obrezkov, F., Llanos, P.S., Sainio, J., Bogdanova, A.R., Kobets, A., Kankaanpää, T., Kallio, T., 2024. Understanding of a Ni-rich O3-layered Cathode for Sodium-ion Batteries: Synthesis Mechanism and Al-gradient Doping, Small 21(2), 2408072. https://doi.org/10.1002/smll.202408072
Wesselborg, T., Asumalahti, S., Virolainen T., Sainio, T., 2024. Design of a continuous ion exchange process in battery metals recycling: From single column experiments towards a simulated moving bed configuration. Hydrometallurgy 228, 106361. https://doi.org/10.1016/j.hydromet.2024.106361
Zou, Y., Chernyaev, A., Muhammad, O., Seisko, S., Lundström, M., 2024. Leaching of NMC industrial black mass in the presence of LFP. Scientific Reports 14, 10818. https://doi.org/10.1038/s41598-024-61569-3
Zou, Y., Chernyaev, A., Seisko, S., Sainio, J., Lundström, M., 2024. Removal of iron and aluminum from hydrometallurgical NMC-LFP recycling process through precipitation. Minerals Engineering 218, 109037. https://doi.org/10.1016/j.mineng.2024.109037
2023
Biswas, J., Ulmala, S., Wan, X., Partinen, J., Lundström, M., Jokilaakso, A., 2023. Selective Sulfation Roasting for Cobalt and Lithium Extraction from Industrial LCO-Rich Spent Black Mass. Metals 2023, 13, 358. https://doi.org/10.3390/met13020358
Chernyaev, A., Zhang, J., Seisko, S., Louhi-Kultanen, M., Lundström, M., 2023. Fe3+ and Al3+ removal by phosphate and hydroxide precipitation from synthetic NMC Li-ion battery leach solution. Scientific Reports 13, 21445. https://doi.org/10.1038/s41598-023-48247-6
dos Reis, G.S., Molaiyan, P., Subramaniyam, C.M., García-Alvarado, F., Paolella, A., de Oliveira, H.P., Lassi, U., 2023. Biomass-derived carbon–silicon composites (C@Si) as anodes for lithium-ion and sodium-ion batteries: A promising strategy towards long-term cycling stability. Electrochemistry Communications, 153, 107536. https://doi.org/10.1016/j.elecom.2023.107536
dos Reis, G.S., Petnikota, S., Subramaniyam, C.M., de Oliveira, H.P., Larsson, S., Thyrel, M., Lassi, U., García Alvarado, F., 2023. Sustainable biomass-derived carbon electrodes for potassium and aluminum batteries: conceptualizing the key parameters for improved performance. Nanomaterials, 13, 4, 765. https://doi.org/10.3390/nano13040765
Giove, A., El Ouardi, Y., Sala, A., Ibrahim, F., Hietala, S., Sievänen, E., Branger, C., Laatikainen, K., 2023. Highly selective recovery of Ni(II) in neutral and acidic media using a novel Ni(II)-ion imprinted polymer. Journal of Hazardous Materials, 144(B), 130453. https://doi.org/10.1016/j.jhazmat.2022.130453
Ihalainen, M., Kortelainen, M., Mesceriakovas, A., Karhunen, T., Mesceriakove, S.-M., Lindberg, D., Leskinen, J.T.T., Kankaanpää, T., Jokiniemi, J., Lähde, A., 2023. Synthesis of solid NMC622 particles by spray drying, post-annealing and lithiation. Advanced Powder Technology, 34 (10), 104187. https://doi.org/10.1016/j.apt.2023.104187
Kauppinen, T., Laine, P., Välikangas, J., Tynjälä, P., Hu, T., Salminen, J., Lassi, U., 2023. Co-precipitation of NCM 811 using recycled and purified manganese: effect of impurities on the battery cell performance. ChemElectroChem, 10, e202300265. https://doi.org/10.1002/celc.202300265
Laine, P., Hietaniemi, M., Välikangas, J., Kauppinen, T., Tynjälä, P., Hu, T., Wang, S., Singh, H., Lassi, U., 2023 Co-precipitation of Mg-doped Ni0.8Co0.1Mn0.1(OH)2: Effect of magnesium doping and washing on the battery cell performance. Dalton Transactions, 5, 1-12, 1413. https://doi.org/10.1039/D2DT02246J
Laine, P., Välikangas, J., Kauppinen, T., Hu, T., Wang, S., King, G., Singh, H., Tynjälä, P., Lassi, U., 2023. Synergistic effects of low-level magnesium and chromium doping on the electrochemical performance of LiNiO2 cathodes. Journal of Solid State Electrochemistry. https://doi.org/10.1007/s10008-023-05652-1
Liivand, K., Sainio, J., Wilson, B.P., Kruusenberg, I., Lundström, M., 2023. Overlooked residue of Li-ion battery recycling waste as high-value bifunctional oxygen electrocatalyst for Zn-air batteries. Applied Catalysis B: Environmental, 332, 122767. https://doi.org/10.1016/j.apcatb.2023.122767
Lin, Y., Välikangas, J., Sliz, R., Molaiyan, P., Hu, T., Lassi, U., 2023. Optimized morphology and tuning the Mn3+ content of LiNi0.5Mn1.5O4 cathode material for Li-ion batteries. Materials, 16(8), 3116. https://doi.org/10.3390/ma16083116
Lundahl, M., Lappalainen, H., Rinne, M., Lundström, M., 2023. Life cycle assessment of electrochemical and mechanical energy storage systems. Energy Reports, 10, 2036-2046. https://doi.org/10.1016/j.egyr.2023.08.088
Makarava, I., Esmaeili, M., Pöntynen, S., Kavun, V., Bilesan, M.R., Lundström, M., Repo, E., 2023, Depolymerization and leachability of spent videotape for cobalt recovery, Minerals Engineering 201, 108181. https://doi.org/10.1016/j.mineng.2023.108181
Massima Mouele E.S., Bediako J.K., El Ouardi Y., Anugwom I., Butylina S., Mukaba J.-L., Petrik L.F., Zar Myint M.T., Kyaw H.H., Al-Abri M., Al Belushi M.A., Dobretsov S., Laatikainen K., Repo E., 2024. Sustainable gliadin - Metal oxide composites for efficient inactivation of Escherichia coli and remediation of cobalt (II) from water. Environmental Pollution 340, Part 2; 122788. https://doi.org/10.1016/j.envpol.2023.122788
Molaiyan, P., dos Reis, G.S., Karuppiah, D., Subramaniyam, C.M., García-Alvarado, F., Lassi, U., 2023. Recent progress in biomass-derived carbon materials for Li-ion and Na-ion batteries—a review. Batteries 2023, 9(2), 116. https://doi.org/10.3390/batteries9020116
Molaiyan, P., Mailhiot, S.E., Voges, K., Kantola, A.M., Hu, T., Michalowski, P., Kwade, A., Telkki, V.-V., Lassi, U., 2023. Investigation of the structure and ionic conductivity of a Li3InCl6 modified by dry room annealing for solid-state Li-ion battery applications. Materials & Design, 227, 111690. https://doi.org/10.1016/j.matdes.2023.111690
Partinen, J., Halli, P., Wilson, B.P., Lundström, M., 2023. The impact of chlorides on NMC leaching in hydrometallurgical battery recycling. Minerals Engineering, 202, 108244. https://doi.org/10.1016/j.mineng.2023.108244
Rantala, V., Kokko, M., Suvela, R., Manninen, M., Hu, T., Lassi, U., Pesonen, J., Tuomikoski, S., 2023. Elemental concentrations of natural graphite and steelmaking slag: Development of microwave-assisted acid digestion. Analytical Letters. https://doi.org/10.1080/00032719.2023.2289083
Rinne, T., Araya-Gomez, N., Serna-Guerrero, R., 2023. A study on the effect of particle size on Li-ion battery recycling via flotation and perspectives on selective flocculation. Batteries 2023, 9(2), 68. https://doi.org/10.3390/batteries9020068
Rinne, M., Elomaa, H., Lundström, M., 2023. Flowsheet design and environmental impacts of cobalt co-product recovery from complex Au-Co ores. Minerals Engineering, 204, 108444. https://doi.org/10.1016/j.mineng.2023.108444
Tynjälä, P., Laine, P., Välikangas, J., Kauppinen, T., Lassi U., 2023. Effect of reaction conditions on the coprecipitation of Ni(OH)2 for lithium-ion batteries. Chemical Engineering & Technology, 46 (00), 1-7. https://doi.org/10.1002/ceat.202300086
Välikangas, J., Laine, P., Hu, T., Tynjälä, P., Selent, M., Molaiyan, P., Jürgen, K., Lassi, U., 2023. Effect of Secondary Heat Treatment after a Washing on the Electrochemical Performance of Co-Free LiNi0.975Al0.025O2 Cathodes for Li-Ion Batteries. Small, Early View. https://doi.org/10.1002/smll.202305349
Wang, Y., Hietaniemi, M., Välikangas, J., Hu, T., Tynjälä, P., Lassi, U., 2023. Effects of lithium source and content on the properties of Li-rich layered oxide cathode materials. ChemEngineering 7(1), 15. https://doi.org/10.3390/chemengineering7010015
2022
Ahaliabadeh, Z., Kong, X., Fedorovskaya, E.O., Kallio, T., 2022. Extensive comparison of doping and coating strategies for Ni-rich positive electrode materials, Journal of Power Sources 540, 231633. https://doi.org/10.1016/j.jpowsour.2022.231633
Abdollahifar, M., Molaiyan, P., Cavers, H., Lassi, U., Kwade, A., 2022. Multifunctional Behaviour of Graphite in Lithium-Sulfur Batteries, Renewable and Sustainable Energy Reviews 169, 112948. https://doi.org/10.1016/j.rser.2022.112948
Abdollahifar, M., Molaiyan, P., Perovic, M., Kwade, A., 2022. Insights into Enhancing Electrochemical Performance Anodes of Li-ion Batteries via polymer coating, Energies 2022, 15(23), 8791. https://doi.org/10.3390/en15238791
Cavers, H., Molaiyan, P., Abdollahifar, M., Lassi, U., Kwade, A., 2022. Perspectives on Improving the Safety and Sustainability of High Voltage Lithium-Ion Batteries Through the Electrolyte and Separator Region, Advanced Energy Materials, 12(23), 2200147. https://doi.org/10.1002/aenm.202200147
Chernyaev, A., Zou, Y., Wilson, B.P. & Lundström, M., 2022, The interference of copper, iron and aluminum with hydrogen peroxide and its effects on reductive leaching of LiNi1/3Mn1/3Co1/3O2, Separation and Purification Technology, 281, 119903. https://doi.org/10.1016/j.seppur.2021.119903
dos Reis, S.G., Subramaniyam, C.M., Cárdenas, A.D., Larsson, S.H., Thyrel, M., Lassi, U., García-Alvarado, F., 2022. Facile One pot Synthesis of Chemically Activated Sustainable Nanoporous Biochars as Efficient Lithium-ion Storage Anodes, ACS Omega 2022, 7, 46, pp. 42570–42581. https://doi.org/10.1021/acsomega.2c06054
Jantunen, N., Virolainen, S., Sainio, T., 2022. Direct Production of Ni–Co–Mn Mixtures for Cathode Precursors from Cobalt-Rich Lithium-Ion Battery Leachates by Solvent Extraction, Metals 2022, 12, 1445. https://doi.org/10.3390/met12091445
Kothalawala, V.N., Aravindh, S.A., Nokelainen, J., Alatalo, M., Barbiellini, B., Hu, T., Lassi, U., Suzuki, K., Sakurai, H., Bansil, A., 2022. First principles calculations of the optical response of LiNiO2. Condensed Matter, 7(4), 54. https://doi.org/10.3390/condmat7040054
Lahtinen, K., Labmayr, M., Mäkelä, V., Jiang, H., Lahtinen, J., Yao, L., Fedorovskaya, E.O., Räsänen, S., Huotari, S., Kallio, T., 2022. Long-term cycling behavior of Mg-doped LiCoO2 materials investigated with the help of laboratory scale X-ray absorption near-edge spectroscopy, Materials Today Energy 27, 101040. https://doi.org/10.1016/j.mtener.2022.101040
Lapinkangas, S., Rautio, L., Kauppinen, T., Hu, T., Pesonen, J., Lassi, U., 2022. Precipitation of potassium as hazenite from washing water of spent alkaline batteries, Chemical Engineering Journal Advances, 12, 100426. https://doi.org/10.1016/j.ceja.2022.100426
Lin, Y., Tian, H., Qian, J., Yu, M., Hu, T., Lassi, U., Chen, Z., Wu, Z., 2022. Biocarbon directed vertical δ-MnO2 nanoflakes for fast lithium-ion diffusion kinetics, Materials Today Chemistry 26, 101023. https://doi.org/10.1016/j.mtchem.2022.101023
Ma, S., Liu, F., Li, K., Chen, Z., Chen, F., Wang, J., Zhong, S., Wilson, B.P., Lundström, M., 2022. Separation of Li and Al from spent ternary Li-ions batteries by aluminum-carbon in-situ reduction roasting followed by selective leaching, Hydrometallurgy 213, 105941. https://doi.org/10.1016/j.hydromet.2022.105941
Meshram, P., Virolainen, S., Abhilash, Sainio, T., 2022. Solvent Extraction for Separation of 99.9% Pure Cobalt and Recovery of Li, Ni, Fe, Cu, Al from Spent LIBs, Metals 12(6), 1056. https://doi.org/10.3390/met12061056
Partinen, J., Halli, P., Helin, S., Wilson B.P., Lundström, M., 2022. Utilizing Cu+ as catalyst in reductive leaching of lithium-ion battery cathode materials in H2SO4–NaCl solutions, Hydrometallurgy 208, 105808. https://doi.org/10.1016/j.hydromet.2021.105808
Rinne, T., Klemettinen, A., Klemettinen, L., Ruismäki, R., O’Brien, H., Jokilaakso, A., Serna-Guerrero, R., 2022. Recovering value from end-of-life batteries by integrating froth flotation and pyrometallurgical copper-slag cleaning, Metals 12 (1), 15. https://doi.org/10.3390/met12010015
Sardisco, L., Hannula, P.-M., Pearce, T.J., Morgan, L., 2022. Multi-Technique Analytical Approach to Quantitative Analysis of Spodumene, Minerals 2022, 12 (2), 175. https://doi.org/10.3390/min12020175
Sliz, R., Valikangas, J., Silva Santos, H., Vilmi, P., Rieppo, L., Hu, T., Lassi, U., Fabritius, T., 2022. Suitable cathode NMP replacement for efficient sustainable printed Li-ion batteries, ACS Applied Energy Materials 5(4), pp. 4047–4058. https://doi.org/10.1021/acsawrodem.1c02923
Välikangas, J., Laine, P., Hietaniemi, M., Hu, T., Selent, M., Tynjälä, P., Lassi, U., 2022. Correlation of aluminium doping and lithiation temperature on electrochemical performance of LiNi1-xAlxO2 cathode material. Journal of Solid-state Electrochemistry. https://doi.org/10.1007/s10008-022-05356-y
Vanderbruggen, A., Hayagan, N., Bachmann, K., Ferreira, A., Werner, D., Horn, D., Peuker, U., Serna-Guerrero, R., Rudolph, M., 2022. Lithium-Ion Battery Recycling ─ Influence of Recycling Processes on Component Liberation and Flotation Separation Efficiency, ACS ES&T Engineering, 11, pp. 2130–2141. https://doi.org/10.1021/acsestengg.2c00177
2021
Chernyaev, A., Wilson B.P., Lundström, M., 2021. Study on valuable metal incorporation in the Fe-Al precipitate during neutralization of LIB leach solution, Nature Scientific Reports 11, 23283. https://doi.org/10.1038/s41598-021-02019-2
Tuovinen, T., Tynjälä, P., Vielma, T., Lassi, U., 2021. Utilization of waste sodium sulfate from battery chemical production in neutral electrolytic pickling, Journal of Cleaner Production 324, 129237. https://doi.org/10.1016/j.jclepro.2021.129237
BATCircle (2019-2021)
2022
Zhang J., Said A., Han B., Louhi-Kultanen M., 2022. Semi-batch evaporative crystallization and drying of cobalt sulphate hydrates, Hydrometallurgy, 208, 105821. https://doi.org/10.1016/j.hydromet.2022.105821
2021
Avarmaa, K., Taskinen, P., Klemettinen, L., O’Brien, H., Lindberg, D., 2021. Ni-Fe-Co alloy – magnesia-iron-silicate slag equilibria and the behavior of minor elements Cu and P in nickel slag cleaning, Journal of Materials Research and Technology, 15, pp. 719−730. https://doi.org/10.1016/j.jmrt.2021.07.112
Chen, Y., Shi, P., Chang, D., Jie, Y., Yang, S., Wu, G., Chen, H., Zhu, J., Hu, F., Wilson, B.P., Lundström, M., 2021. Selective extraction of valuable metals from spent EV power batteries using sulfation roasting and two stage leaching process, Separation and Purification Technology, 258, 118078. https://doi.org/10.1016/j.seppur.2020.118078
Dańczak, A., Ruismäki, R., Rinne, T., Klemettinen, L., O’Brien, H., Taskinen, P., Jokilaakso, A., Serna‐Guerrero, R., 2021. Worth from waste: Utilizing a graphite‐rich fraction from spent lithium‐ion batteries as alternative reductant in nickel slag cleaning, Minerals, 11(7), 25, p. 784. https://doi.org/10.3390/min11070784
Hietaniemi, M., Hu, T., Välikangas, J., Niittykoski, J., Lassi, U., 2021. Effect of precursor particle size and morphology on lithiation of Ni0.6Mn0.2Co0.2(OH)2, Journal of Applied Electrochemistry (2021), 51, pp. 1545−1557. https://oadoi.org/10.1007/s10800-021-01596-4
Kalliomäki, T., Aji, A.T., Jafari, S., Leskinen, W., Wilson, B.P., Aromaa, J., Lundström, M., 2021, Industrial Validation of Conductivity and Viscosity Models for Copper Electrolysis Processes, Minerals Engineering 171, 107069. https://doi.org/10.1016/j.mineng.2021.107069
Lahtinen, K., Rautama, E., Jiang, H., Räsänen, S., Kallio, T., 2021. Reuse of LiCoO2 electrodes collected from spent Li‐ion batteries after the electrochemical re‐lithiation of the electrode, ChemSusChem 14(11), pp. 2434−2444, PMID: 33871177. https://doi.org/10.1002/cssc.202100629
Liu, F., Peng, C., Ma, Q., Wang, J., Zhou, S., Chen, Z., Wilson, B.P., Lundström, M., 2021. Selective lithium recovery and integrated preparation of high-purity lithium hydroxide products from spent lithium-ion batteries, Separation and Purification Technology 259, 118181. https://doi.org/10.1016/j.seppur.2020.118181
Rinne, M., Elomaa, H., Porvali, A., Lundström, M., 2021. Simulation-based life cycle assessment for hydrometallurgical recycling of mixed LIB and NiMH waste, Resources, Conservation and Recycling 170, 105586. https://doi.org/10.1016/j.resconrec.2021.105586
Virolainen, S., Wesselborg, T., Kaukinen, A., Sainio, T., 2021. Removal of iron, aluminum, manganese and copper from leach solutions of lithium-ion battery waste using ion exchange, Hydrometallurgy, 202, 105602. https://doi.org/10.1016/j.hydromet.2021.105602
Wesselborg, T., Virolainen, S., Sainio, T., 2021. Recovery of lithium from leach solutions of battery waste using direct solvent extraction with TBP and FeCl3, Hydrometallurgy, 202, 105593. https://doi.org/10.1016/j.hydromet.2021.105593
2020
Avarmaa, K., Järvenpää, M., Klemettinen, L., Marjakoski, M., Taskinen, P., Lindberg, D., Jokilaakso, A., 2020. Battery scrap and biochar utilization for improved metal recoveries in nickel slag cleaning conditions, Batteries, 6(4), 58. https://doi.org/10.3390/batteries6040058
Chernyaev, A., Partinen, J., Klemettinen, L., Wilson, B.P., Jokilaakso, A., Lundström, M., 2020. The efficiency of scrap Cu and Al current collector materials as reductants in LIB waste leaching, Hydrometallurgy, 203, 105608. https://doi.org/10.1016/j.hydromet.2021.105608
Gao, S., Hakanen, E., Rajala, R., 2020. Digital Transformation: The Interplay of Explorative and Exploitative Capability Development, Proceedings of the 53rd Hawaii International Conference on System Sciences, pp. 4306−4315. https://doi.org/10.24251/HICSS.2020.527
Peng, C., Lahtinen, K., Medina, E., Kauranen, P., Karppinen, M., Kallio, T., Wilson, B.P., Lundström, M., 2020. Role of impurity copper in Li-ion battery recycling to LiCoO2 cathode materials, Journal of Power Sources, 450, 8, 227630. https://doi.org/10.1016/j.jpowsour.2019.227630
Porvali, A., Agarwal, V., Lundström, M., 2020. REE(III) recovery from spent NiMH batteries as REE double sulfates and their simultaneous hydrolysis and wet-oxidation, Waste Management, 107, p. 66−73. https://doi.org/10.1016/j.wasman.2020.03.042
Porvali, A., Chernyaev, A., Shukla, S., Lundström, M., 2020. Lithium ion battery active material dissolution kinetics in Fe(II)/Fe(III) catalyzed Cu-H2SO4 leaching system, Separation and Purification Technology, 116305. https://doi.org/10.1016/j.seppur.2019.116305
Porvali, A. Ojanen, S., Wilson, B.P., Serna-Guerrero, R., Lundström, M., 2020. Nickel Metal Hydride Battery Waste: Mechano-hydrometallurgical Experimental Study on Recycling Aspects, Journal of Sustainable Metallurgy, 6, pp. 78−90. https://doi.org/10.1007/s40831-019-00258-2
Porvali, A., Shukla. S., Lundström, M. 2020. Low-acid leaching of lithium-ion battery active materials in Fe-catalyzed Cu-H2SO4 system, Hydrometallurgy, 195, 105408. https://doi.org/10.1016/j.hydromet.2020.105408
Ruismäki, R., Dańczak, A., Klemettinen, L., Taskinen, P., Lindberg, D., Jokilaakso, A. 2020. Integrated battery scrap recycling and nickel slag cleaning with methane reduction, Minerals 2020, 10(5), 435. https://doi.org/10.3390/min10050435
Ruismäki, R., Rinne, T., Dańczak, A., Taskinen, P., Serna Guerrero, R., Jokilaakso, A., 2020. Integrating Flotation and Pyrometallurgy for Recovering Graphite and Valuable Metals from Battery Scrap, Metals 2020, 10(5), 680. https://doi.org/10.3390/met10050680
Siltaloppi, J., Rajala, R., Hietala, H., 2020. Integrating CSR with business strategy: A tension management perspective, Journal of Business Ethics, 174, pp. 507–527. https://doi.org/10.1007/s10551-020-04569-3
Välikangas, J., Laine, P., Tynjälä, P., Hu, T., Lassi U., 2020. Precipitation and calcination of high-capacity LiNiO2 cathode material for lithium-ion batteries, Applied Sciences, 10(24), 8988. https://doi.org/10.3390/app10248988
Wang, Z., Peng, C., Yliniemi, K., Lundström, M., 2020. Recovery of High-Purity Silver from Spent Silver Oxide Batteries by Sulfuric Acid Leaching and Electrowinning, ACS Sustainable Chemistry & Engineering, 8(41), pp. 15573-15583. https://doi.org/10.1021/acssuschemeng.0c04701
2019
Agarwal, V., Khalid, M.K., Porvali, A., Wilson, B.P., Lundström, M., 2019. Recycling of spent NiMH batteries: Integration of battery leach solution into primary Ni production using solvent extraction, Sustainable Materials and Technologies, pp. e00121. https://doi.org/10.1016/j.susmat.2019.e00121
Chen, Y., Chang, D., Liu, N., Hu, F., Peng, C., Zhou, X., He, J., Jie, Y., Wang, H., Wilson, B.P., Lundström, M., 2019. Biomass-Assisted Reductive Leaching in H2SO4 Medium for the Recovery of Valuable Metals from Spent Mixed-Type Lithium-Ion Batteries, Journal of The Minerals, Metals & Materials Society,71, pp. 4465−4472. https://doi.org/10.1007/s11837-019-03775-3
Dong, J., Hietaniemi, M., Välikangas, J., Hu, T., Lassi, U., 2019. Modification of Layered Oxide Cathode Materials. In: Future Lithium-ion Batteries, (Ed. Eftekhari, Ali), Royal Society of Chemistry, London, pp. 44−71. http://dx.doi.org/10.1039/9781788016124-00044
Eloranta, V., Hakanen, E., Töytäri, P.,, Turunen, T., 2019. Aligning multilateral value creation and value capture in ecosystem-level business models, Academy of Management Proceedings 2019. https://doi.org/10.5465/AMBPP.2019.18966abstract
Gao, S., Hakanen, E., Töytäri, P.,, Rajala, R., 2019. Digital transformation in asset-intensive businesses: Lessons learned from the metals and mining industry, Proceedings of the 52nd Hawaii International Conference on System Sciences, 4927–4936. https://doi.org/https://hdl.handle.net/10125/59930
Hakanen, E., 2019.Why to collaborate? Three approaches to innovation behind the transition from firms to ecosystems, Academy of Management Proceedings 2019. https://doi.org/10.5465/AMBPP.2019.16859abstract
Han, B., Bøckman, O., Wilson, B.P., Lundström, M., Louhi-Kultanen, M., 2019. Purification of Nickel Sulfate by Batch Cooling Crystallization, Chemical Engineering and Technology, 42(7), p. 1475−1480. https://doi.org/10.1002/ceat.201800695
Hu, F.,Wilson, B.P., Han, B., Zhang, J., Louhi-Kultanen, M., Lundström, M., 2019. High Purity Nickel Recovery from an Industrial Sidestream Using Concentration and Liquid–Liquid Extraction Techniques, Journal of The Minerals, Metals & Materials Society, pp. 1-8. https://doi.org/10.1007/s11837-019-03928-4
Klemettinen, L., Aromaa, R., Dańczak, A., O'Brien, H., Taskinen, P., Jokilaakso, A., 2019. Distribution kinetics of rare earth elements in copper smelting, Sustainability 2020, 12, 208. https://doi.org/10.3390/su12010208
Lahtinen, K., Rauhala, T., Räsänen, S., Rautama, E., Kallio, T., 2019. The effect of synthesis modifications on the lithium cobalt oxide using commercial precursors, Electrochimica Acta, 135012. https://doi.org/10.1016/j.electacta.2019.135012
Liu, F., Peng, C., Porvali, A., Wang, Z., Wilson, B.P., Lundström, M., 2019. Synergistic recovery of valuable metals from spent nickel-metal hydride batteries and lithium-ion batteries, ACS Sustainable Chemistry & Engineering, 7, 19, pp.16103–16111 https://doi.org/10.1021/acssuschemeng.9b02863.
Peng, C., Chang, C., Wang, Z., Wilson, B.P., Lundström, M., 2019. Recovery of High-Purity MnO2 from the Acid Leaching Solution of Spent Li-Ion Batteries, Journal of The Minerals, Metals & Materials Society, pp. 1−10. https://doi.org/10.1007/s11837-019-03785-1
Peng, C., Liu, F., Aji, A.T., Wilson, B.P., Lundström, M., 2019. Extraction of Li and Co from industrially produced Li-ion battery waste–Using the reductive power of waste itself, Waste Management, 95, pp. 604−611. https://doi.org/10.1016/j.wasman.2019.06.048
Porvali, A., Agarwal, V., Lundström, M., 2019. Circulation of Sodium Sulfate Solution Produced During NiMH Battery Waste Processing, Mining, Metallurgy & Exploration, pp.1−13. https://doi.org/10.1007/s42461-019-0086-2
Shi, J., Peng, C., Chen, M., Li, Y., Eric, H., Klemettinen, L., Lundström, M., Taskinen, P., Jokilaakso, A., 2019. Sulfation Roasting Mechanism for Spent Lithium-Ion Battery Metal Oxides Under SO2-O2-Ar Atmosphere, Journal of The Minerals, Metals & Materials Society, 71, pp. 4473−4482. https://doi.org/10.1007/s11837-019-03800-5
Wang, Z., Halli, P., Hannula, P., Liu, F., Wilson, B.P., Yliniemi, K., Lundström, M., 2019. Recovery of Silverfrom Dilute Effluents via Electrodeposition and Redox Replacement, Journal of the Electrochemical Society ,166(8), E266−E274. https://doi.org/10.1149/2.0031910jes
BATCircle3.0 (2024-)
2025
Hannila, E., Illikainen, S., Välikangas, J., Rajapaksha, S., Weerasekara-Mudiyanselage, C., Nguyen, H., Lassi, U., Sliz, R., Fabritius, T., 2025. The Effect of Filling Strategies on the Surface Morphology of Spray-Jet Printed Cathodes, IEEE 25th International Conference on Nanotechnology (NANO) (NANO 2025), July 13-16 2025, Washington, DC, USA.
Nguyen, H., Rajapaksha, S., Rostami, H., Hannila, E., Lassi, U., Fabritius, T., Sliz, R., et al. Influence of Green (TEP) Solvent on Performance of Lithium-ion Batteries Enhanced with Novel VT475 Copolymer, IEEE 25th International Conference on Nanotechnology (NANO) (NANO 2025), July 13-16 2025, Washington, DC, USA
Rajapaksha, S., Hannila, E., Nguyen, H., Rostami, H., Lassi, U., Fabritius, T., Sliz, R., et al. Introduction of Carbon Dopants and Novel Polymers for Enhancing the Electrochemical Performance of Li-Ion Batteries, IEEE 25th International Conference on Nanotechnology (NANO) (NANO 2025), July 13-16 2025, Washington, DC, USA. https://doi.org/10.1109/NANO63165.2025.11113745
Van der Meer, T. Circular chemistry in battery recycling. AABC Europe 2025, June 23-26 2025, Mainz, Germany.
Vänskä, J., Leaching of LFP batteries in the presence of impurities from current collectors. EMC 2025, 22nd-25th June 2025, Hamburg, Germany.
Lassi, U., 2025. Battery research portfolio in Finland, In: BATTERY 2030+ online event series Connect to Power up! The Battery R&D Ecosystem in Denmark, Finland, Norway and Sweden Power Up, June 17th 2025. (online invited talk)
Lassi, U., 2025. Sustainable battery chemistry solutions enabling clean transition, Turun yliopisto, invited talk, June 13th 2025, Turku, Finland
Lassi, U., 2025. Akkuteknologiat, BESS Master Class koulutus, May 7th 2025, Helsinki, Finland.
Lassi, U., 2025. Akkukierrätys - Näkökulmia nykytilanteeseen ja mahdollisuuksiin, MinePro-seminaari, May 6th 2025, Kokkola, Finland
Lassi, U., 2025. Battery research as a tool to support green transition, In: What happened to green transition - How to accelerate investments again? Winter Seminar 27.3.2025, Vuorimiesyhdistys
Lassi, U., 2025. Co-precipitation of high-nickel, high-manganese materials for lithium-ion and sodium-ion batteries, Nordic Sustainability Day X, 19-20 March, 2025, Luleå, Sweden. (invited talk)
2024
Lassi, U., 2024.Recycling of batteries - How to improve chemical recycling efficiency and sustainability? Jyväskylän yliopisto, December 11th 2024. (invited talk)
Lassi, U., 2024.Sustainable, Biomass-Derived Carbon Materials for Li-Ion and Na-Ion Batteries, 4th International Conference on Bioprocess for Sustainable Environment and Energy, ICBSEE -2024, NIT Rourkela, India, November 30th 2024. (key note)
Lassi, U., 2024.Sustainable battery chemistry solutions enabling clean transition, In: Everything is chemistry - Solutions for global challenges through chemistry, Helsingin yliopisto, November 14th 2024. (invited talk)
BATCircle2.0 (2021-2024)
2024
Sardisco, L., Apeiranthitis, N., Hirani, J., Franzel, M., Jolis, E.M., Lukkari, S., Michallik, R.M., Tepsell, J., Pearce, T.J., Butcher, A.R., 2024. Battery mineral characterization – A case study of a nickel reference material. Materials Proceedings 15(1), 83. https://doi.org/10.3390/materproc2023015083
Huaman, L., Laine, I., Leveinen, J., 2024. Studies of LIBS-spectral fingerprints of lithium-ore minerals in different compositional matrixes. Nordic LIBS Conference, 5-6 March 2024, Tampere
Kobets, A., Ali, B., Kosir, J., Lassi, U., Kallio, T., 2024. Investigating Doping and Calcination Effects on Nickel-Rich Layered Oxide Positive Electrode Material Enhancing the Lithium-Ion Batteries Performance, 38th ISE Topical Meeting, Manchester, UK, 8.-11.9.2024. No. S1-P-018, https://abstracts-regional.ise-online.org/infiles/doc_production/reg240163.pdf
Lassi, U., 2024. Sustainability in the battery value chain – Opportunities and challenges, Invited plenary presentation, Chemistry Days, 10 April 2024, Helsinki
Lassi, U., 2024. Emerging cathode materials, Invited keynote presentation, Horizon2030+/IntelLiGent workshop, 25-26 June 2024, Oslo.
Virolainen, S., 2024. Separation and purification processes for lithium from primary and secondary sources. RELITE 2024 – Jujuy, Argentina – 1st July-5th July 2024.
Wesselborg, T., Asumalahti, S., Virolainen, S., Sainio, T. Continuous counter-current ion exchange in lithium ion battery metals recycling. 10 July - 12 July 2024 IEX 2024: Ion exchange for a sustainable future, Cambridge, UK.
2023
Autio, U., Kamm, J., Niiranen, T., Lahti, I., 2023. Magnetotelluric survey in the Kuusamo Schist Belt, Northeastern Finland. European Geosciences Union General assembly. Vienna, Austria 23–28 April 2023.
Hu, T., Lin, Y., Tynjälä, P., Wang, S., Peta, G., Singh, H., Aurbach, D., Lassi, U., 2023. A Scalable Approach to Synthesize Cobalt-Free LNMO Cathode Materials for High Energy Density Lithium-Ion Batteries, ECS Meeting Abstracts, December 2023, https://doi.org/10.1149/MA2023-0283359mtgabs
Jantunen, N., Virolainen, S., Sainio, T., 2023. Production of nickel–cobalt–manganese mixtures with tailored compositions from cobalt-rich lithium-ion battery leachates by solvent Extraction. ALTA 2023, 1-5 May 2023, Perth, Australia.
Lappalainen, H., Rinne, M., Elomaa, H., Aromaa, J., Lundström, M., 2023. Assessment of environmental impacts of lithium hydroxide production via soda leaching route, conference article in EMC 2023,11–14 June 2023, Dusseldorf, Germany.
Rinne, M., Elomaa, H., Lundström, M., 2023. The effect of energy decarbonization on the environmental impacts of hydrometallurgical black mass recycling in Europe, conference article in EMC 2023, 11–14 June 2023, Dusseldorf, Germany.
Wesselborg, T., Virolainen, S., Sainio, T., 2023. Modelling of multicomponent ion exchange in lithium-ion battery recycling. ALTA 2023, 1-5 May 2023, Perth, Australia.
2022
Chudasama, B. 2022. Exploration targeting of lithium-spodumene pegmatites in the Kaustinen region of Finland. Mineral Prospectivity + Exploration Targetin Conference. Freiberg, Germany, and online. MinProXT, November 1-3, 2022. https://minproxt.com/schedule/day-2/
Jantunen N., Kauppinen, T., Salminen, J., Virolainen, S., Lassi, U., Sainio, T., 2022. Purification of manganese-rich anode sludge leachate by solvent extraction. International solvent extraction conference 2022, 26–30 September 2022, Gothenburg Sweden.
Jokiniemi, J., Ihalainen, M., Kortelainen, M., Mesceriakovas, A., Karhunen, T., Mesceriakove, S.-M., Lindberg, D., Leskinen, J., Timo Kankaanpää, T., Anna Lähde, A., 2022. Synthesis of NMC622 cathode materials by spray drying and pyrolysis for Li-ion batteries. In proceedings of: International Aerosol Conference, 4-9 September 2022, Athens, Greece.
Kallio, T., 2022. Enhancing LiNi0.6Mn0.2Co0.2O2 based lithium battery electrode performance by incorporating SWNTs. 2022 MRS fall meeting & exhibition, 27 November − 2 December 2022.
Kallio, T., 2022. New Materials for Electrochemical Energy Conversion & Storage, Invited Talk, 8–9 June 2022, Chem Bio Fairs, Helsinki, Finland.
Kallio, T., 2022. Tulevaisuuden näkymiä materiaalinäkökulmasta, Invited Talk, Parliament of Finland; Committee for the Future, 24 May 2022, Helsinki, Finland.
Lahaye, Y., Lukkari, S., Grönholm, P. & Kurtti, J. 2022. Li and Pb isotopic constrains on LCT pegmatites petrogenesis in Kaustinen area, Finland. In: Sæmundsson, Þ., Hjartardóttir, Á. R., Gautason, B. & Geirsson, H. (eds) The 35th Nordic Geological Winter Meeting 2022. Programme and Abstracts. Reykjavík, Iceland 11–13 May 2022. p. 119. Available: https://jfi.is/wp-content/uploads/2022/05/NGWM-2022.pdf
Lassi, U. et al. 2022. Coprecipitation of high-nickel mixed metal hydroxide precursors for LIBs: Improved sustainability in the battery value chain, 26–28 October 2022, NordBatt 2022, Gothenburg, Sweden (oral presentation).
Lassi, U. 2022, Sustainable energy storage materials, ICBSEE2022, 20–24 June, NIT Rourkela, India (invited keynote presentation).
Lassi, U. 2022. Sustainable Lithium-Ion Batteries, ESTC 2022 meeting, Romania (invited keynote presentation).
Lundström, M., 2022. LCA of hydrometallurgical Li-ion battery recycling in sulphate media. 27th International Congress for Battery Recycling (ICBR 2022), 14 – 16 September, Salzburg, Austria.
Murashko, K., Hussain, A., Karhunen, T., Mesceriakove, S.-M., Lähde, A., Jokiniemi, J. Anchoring Polysulfides and improving the specific capacity of the Lithium-Sulphur batteries. In proceedings of: 5th NordBatt conference, 26th-28th of October 2022, Gothenburg, Sweden.
Patzer, C., Autio, U., Kamm, J., 2022. Shaky data and where to find them – MT on frozen lakes. EMIW 2022. XXV Electromagnetic Induction Workshop. Book of Abstracts. Çeşme, Turkey, 11-17 September 2022. p. 49 Available: https://emiw2022.emiw.org/fileadmin/emiw2022/abstracts/Book/EMIW_2022_Book_of_Abstracts_11-17-Sept.pdf
Tynjälä, P., Laine, P., Välikangas, J., Kauppinen, T., Lassi, U., 2022. Effect of process conditions on the coprecipitation of Ni(OH)2for LNO battery chemicals, BIWIC2022, conference paper (& presentation).
Virolainen, S., Kaukinen, A., Sainio, T., 2022. Ion exchange purification of lithium ion battery waste leachate. IEX2022 - A Vision for the Future, 7–9 September 2022, Online webinar.
Virolainen, S., Sainio, T., Leikoski, T., 2022. Oxidation of hydrocarbon diluents under cobalt solvent extraction conditions. International solvent extraction conference 2022, 26–30 September 2022, Gothenburg Sweden.
Wesselborg, T. Virolainen, S., Sainio, T., 2022. Recovery of Lithium from Leach Solutions of Battery Waste Using Direct Solvent Extraction with TBP and FeCl3. International solvent extraction conference 2022, 26–30 September 2022, Gothenburg Sweden.
2021
Lassi, Kauppinen, et al., 2021. The use of secondary materials in NMC co-precipitation: Effect of impurities on the cell performance, 239th ECS Meeting, Chicago (presentation, virtual), 2 June 2021.
Lassi, U., 2021. Co-precipitation of high-nickel NMC: Effect of doping and coating on the battery performance, 239th ECS Meeting, 30 May – 3 June 2021 (Online).
Lassi, U., Välikangas J., Laine P., et al., 2021. High-capacity LNO cathode material for lithium-ion batteries, ICSEM-2021, 19 July 2021 (presentation, virtual).
Rinne, T., Dańczak, A., Serna-Guerrero, R., 2021. Recovering value from end-of-life batteries by integrating froth flotation and pyrometallurgical slag cleaning, Sustainable Minerals ’21.
BATCircle (2019-2021)
2021
Chernyaev, A., Partinen, J., Lundström, M., 2021. The effect of Cu, Al and Fe impurities on leaching efficiency of two lithium-ion battery waste fractions, Ni-Co 2021 as a part of TMS2021 Virtual, 15–18 March 2021 (Online).
Hannula, P-M., 2021. BATCircle – final round up of achievements, 4th British-Finnish Geosciences Initiative, 12–13 April 2021 (Online).
Hannula, P-M., 2021. Finland and BATCircle - sustainable European battery metals ecosystem, China International Battery Industry Cooperation Summit, 19–20 March 2021 (Online).
Kauranen, P., 2021. Battery Sustainability, 2021 ICAO Stocktaking on aviation in-sector CO₂ emissions reductions, 16 March 2021 (Online).
Lassi, U., Kauppinen, T., Tynjälä, P., et al. 2021. Co-precipitation of NMC811: Effect of impurities on the battery performance, Swiss Battery Days, 15–17 February 2021 (Online).
Lassi, U., 2021. Webinar: partnership development activity between Quebec, Sweden and Finland in the battery sector, Ministère de l'Économie et de l'Innovation, 10 February 2021 (Online).
Lassi, U., 2021. Webinar: Batteries from Finland, The way to low-carbon future, 28 January 2021 (Online).
Lundström, M., Porvali, A., Elomaa, H., Rinne, M., Hannula, P., Kauranen, P., 2021. BATCircle – towards CO2 low battery recycling, Ni-Co 2021 as a part of TMS2021 Virtual, 15–18 March 2021 (Online).
Porvali, A., Agarwal, V., Angerla, H., Lundström, M., 2021. Recovery of Ni as Tutton’s Salts from Simulated Battery Leach Solutions, Ni-Co 2021 as a part of TMS2021 Virtual, 15–18 March 2021 (Online).
Sliz, R., Välikangas, J., Vilmi, P., Hu, T., Lassi, U., Fabritius, T., 2021. Screen printing of i-ion battery cells using green(er) solvents, Swiss Battery Days, 15–17 February 2021 (Online).
2020
Ahaliabadeh, Z., Kallio, T., 2020. Enhanced Electrochemical Performance of TiO2 Modified LiNi0.6Co0.2Mn0.2O2 Cathode Material via Atomic Layer Deposition, Bilateral Conference on Functional Materials (BiC-FM), 8–9 October 2020 (Online).
Hannula, P-M. Kauranen, P. Lundström, M., 2020. BATCircle – Finnish battery metals ecosystem, E-Waste Conference & Expo 2020 (Online November, 2020).
Karhunen, T., Jokiniemi, J., Lähde, A., 2020. Inorganic precursors for flame synthesis of LTO, 4th International Symposium Gas-Phase Synthesis of Functional Nanomaterials, 6–9 October 2020, Fraunhofer-inHaus-Center, 47057 Duisburg, Germany.
Kauppinen, T., 2020. Investigations on manganese containing side streams and potential applications, Kokkola Material Week, 11 November 2020.
Lassi, U., 2020. Akkukemian tulevaisuuden visiot – haasteet ja mahdollisuudet, oral presentation, Sähköautot ja akkujen tulevaisuus –seminaari, 14 October 2020.
Lassi, U., 2020. Battery chemistry research at the University of Oulu, oral presentation, KAKKU – Kainuun akkukemikaalit ja metallit seminaari 12 November 2020.
Lassi, U. 2020. Printed solid-state lithium-ion batteries, Kokkola Material Week, 10 November 2020.
Lassi, U., Välikangas, J., Kauppinen, T., Tynjälä, P., 2020. High-nickel cathodes for LIBs: Use of secondary materials, oral presentation, FINLAND - MICHIGAN ENERGY CIRCLE COLLABORATION TOWARD ELECTRIFICATION, Michigan, Yhdysvallat (USA), 29 October 2020.
Lundström, M., 2020. Batteries from Finland network at the service of Nordic cooperation - Case BATCircle, Nordic battery webinar (Prosin Conference, NO) 10–11 August 2020.
Lundström, M., Hannula, P-M., Porvali, A., Rinne, M., Elomaa, H., Kauranen, P., 2020. Finland-based circular ecosystem of battery metals (BATCircle), ALTA 2020 (Online November, 2020).
Rinne, M., Sahlman, M., Elomaa, H., Lundström, M., 2020. Life cycle assessment of hydrometallurgical processes based on flowsheet simulation – case study of gold from the deposit with battery metals, ALTA2020 Online (Online November, 2020).
Serna-Guerrero, R., 2020. Analisis de entropía estadística como herramienta para la economía circular de materiales (Statistical entropy analysis as a tool for the circular economy of materials). Semiario de Economia Circular en Mineria, University of Antofagasta, Chile, 9 December 2020 (Online,).
Tynjälä, P., Lassi, U., 2020. Co-precipitation of high-nickel NMC: Effect of precursor properties on battery performance, oral presentation, FINLAND - MICHIGAN ENERGY CIRCLE COLLABORATION TOWARD ELECTRIFICATION, Michigan, Yhdysvallat (USA), 29 October 2020.
Välikangas, J., Laine, P., Hietaniemi, M., Hu, T., Tynjälä, P., Lassi, U., 2020. High capacity Al-coated high nickel cathode for lithium-ion batteries, ICFuture2020 – International Conference on Imaging and Characterization: Future Technologies and Applications, 8–10 January, Oulu, Finland.
2019
Agarwal, V., Oksanen, E., Seisko, S., Wilson, B.P.., Aromaa, J., Bøckman, O., Lundström, M., 2019. Hydrothermal precipitation of nickel and cobalt oxides, European Metallurgical Conference 2019, 23–26 June 2019, Düsseldorf, Germany.
Aromaa, J., Forsén, O., Lundström, M., Latostenmaa, P., 2019. One hundred years of electrolytic copper production in Finland, Copper 2019, August 18–21 2019, Vancouver, BC, Canada.
Hietaniemi, M., et al., 2019. Comparison of single crystal and polycrystalline lithiation for NCM622 cathode materials, poster presentation, Nordbatt2019, Denmark.
Jokilaakso, A., Ruismäki, R., Danczak, A., Rämä, M., 2019. Non-fossil reductants in non-ferrous metals refining, 3rd Int. Process Metallurgy Symp., Metallurgy as a tool for challenges in circular economy, Aalto Univ. School of Chem. and Met. Engineering, 5–6 November 2019, Espoo, Finland.
Kauranen, P., 2019. Finland-based Circular Ecosystem of Battery Metals (BATCircle), Kokkola Material Week, 12 November 2019, Kokkola, Finland.
Klemettinen, L., Avarmaa, K., O’Brien, H., Kleemola, L., Ruismäki, R., Dańczak, A., Taskinen, P., Lindberg, D., Jokilaakso, A., 2019. LA-ICP-MS technique for characterization of metallurgical samples, Poster in 3rd Int. Process Metallurgy Symp., Metallurgy as a tool for challenges in circular economy, Aalto Univ. School of Chem. and Met. Engineering, 5–6 November 2019, Espoo, Finland.
Lassi, U., et al., 2019. Akkukemian klusterimme – visiot ja näkymät EU-tasolla, oral presentation, Kokkola Material Week 2019.
Lassi, U., et al., 2019. Recycling of spent alkaline batteries and recovery of manganese, oral presentation, Nordbatt2019, Denmark.
Lundström, M., 2019. BATCircle - Future of LIB battery recycling, International Process Metallurgy Symposium 2019, November 5–6 2019, Espoo, Finland.
Lundström, M., 2019. Battery Recycling in Europe, European Metallurgical Conference 2019, June 23–26 2019, Düsseldorf, Germany.
Lundström, M., Hannula, P-M., Kauranen, P., Rajala, R., Kojo, I., 2019. BATCircle – Towards battery recycling in Finland and Europe, 24th International Congress for Battery Recycling ICBR2019, 18–20 September 2019, Lyon, France.
Kalliomäki, T., Aji, A.T., Aromaa, J., Lundström, M., 2019. Settling properties of copper electrorefining anode slimes, Copper 2019, 18–21 August 2019 Vancouver, BC, Canada.
Kauranen, P., Lundström, M., Kojo, I., Hannula, P-M., 2019. Battery Recycling Research in Finland and Europe, Nordbatt 2019, 25–27 September 2019, Copenhagen, Denmark.
Kauranen, P., 2019. BATCircle - RDI Support for Sustainable Scandinavian and European Battery Value Chains, Oslo Battery Days, 26–27 August 2019, Oslo, Norway.
Sainio, T., 2019. Continuous ion exchange in purification of battery metals - Case Cobalt, IPMS 2019, Espoo.
Tynjälä, P., et al., 2019. High capacity, low cobalt-containing cathode materials for LIBs, oral presentation, Nordbatt2019, Denmark.
D.Sc. Theses
BATCircle3.0 (2024-)
2025
Partinen, J., 2025. "Leaching of lithium-ion battery materials in sulfate and chloride media for hydrometallurgical recycling", D. Sc. thesis, Aalto University.
Välikangas, J., 2025. "Modification of lithium nickel oxide cathode material". D. Sc. Thesis, University of Oulu.
Karppinen, A., 2025. "Leaching of gold and battery metals from industrial tailings". D. Sc Thesis, Aalto University.
2024
Rinne, M., 2024. "Prospective life cycle assessment of hydrometallurgical cobalt processes for the battery value chain", D. Sc. thesis, Aalto University.
BATCircle2.0 (2021-2024)
2024
Rinne, T., 2024. "Innovations in Li-ion Battery Recycling: Advanced Physical Separation, Characterization, and Industrial Process Integration", D. Sc. thesis, Aalto University.
2023
Chernyaev, A., 2023, "Hydrometallurgical recycling of Li-ion batteries", D.Sc. thesis, Aalto University.
Jantunen, N., 2023, "Development of liquid-liquid extraction processes for concentrated hydrometallurgical solutions", D.Sc. thesis, LUT University.
BATCircle (2019-2021)
2021
Meščeriakovas, A., 2021, “Synthesis, characteristics and application of doped carbon structures”, D.Sc. thesis, UEF University.
2020
Peng, C., 2020, "Hydrometallurgical methods for the recycling of valuable metals from industrially produced lithium ion battery waste", D.Sc. thesis, Aalto University.
Porvali, A., 2020, "Complexities of Hydrometallurgical Recycling of Spent NiMH and Li-ion Batteries", D.Sc. thesis, Aalto University.
2019
Vielma, T., 2019, "Thermodynamic properties of concentrated zinc bearing solutions", D.Sc. thesis, University of Oulu.
M.Sc. Theses
BATCircle3.0 (2024-)
2025
Ghaheri, L., 2025. “Recycling of Future Batteries”. M. Sc. Thesis, Aalto University
Islam, R., 2025. “High-entropy materials for stable anion-hosting cathodes in sodium-ion batteries”, M.Sc. Thesis, University of Oulu
Leiman, J., 2025. "The use of recycled raw materials in the refining of battery chemicals", M.Sc. Thesis, University of Oulu
Lubenets, J., 2025. "Recycling of lithium iron phosphate batteries". M.Sc. Thesis, University of Oulu
Myllymäki, J., 2025. “Carbon materials used for aluminium-ion batteries”, M.Sc. Thesis, University of Oulu
Nafees, T., 2025. "Direct recycling of NMC811-based cathodes for lithium-ion batteries". M.Sc. Thesis, Aalto University
Pentti, M., 2025. “Anodic deposition of manganese from battery leaching solutions”. M.Sc. Thesis, Aalto University
Pollano, R., 2025. “Polyanionic sodium iron phosphate cathodes for sodium ion batteries”. M.Sc. Thesis, University of Oulu
Porkola, T-M., 2025. "Characterization of industrial LFP waste and its impurities". M.Sc. Thesis, Aalto University
Syri-Nieminen, H., 2025. "Akkuarvoketjun kestävyyden kemialliset haasteet". M.Sc. Thesis, University of Oulu
Wang, J., 2025. “Behaviour of additives in lithium-ion battery cathode material leaching and precipitation”. M.Sc. Thesis, Aalto University
BATCircle2.0 (2021-2024)
2024
Alajoki, J., 2024. "Reprocessing and leaching of valuable metals from weathered flotation tailings", M.Sc. thesis, Aalto University.
2023
Ahmed, H., 2023. "Synthesis and characterization of Silicon-Carbon composites as anode materials for Li-ion batteries", M.Sc. thesis, University of Oulu, Faculty of Technology.
Angerla, H., 2023. "Leaching of battery metals from copper smelter slag". M.Sc. thesis, Aalto University .
Le, T., 2023. "Materials and recycling of novel sodium battery chemistries", M.Sc. thesis, Aalto University.
Leinonen, J., 2023. "Synthesis of modified lithium iron phosphate and its electrochemical properties", M.Sc. thesis, University of Oulu, Faculty of Technology.
Rytkönen, S., 2023. "Mechanical separation and acid leaching: potential to decrease the environmental impact of the graphite tailings by recovering sulfide sulfur and heavy metals", M.Sc. thesis, GTK.
Vänskä, J., 2023. "Lithium recycling from battery waste", M.Sc. thesis, Aalto University.
Xiao, Y., 2023. "Leaching behavior of valuable metals from nickel smelter slag", M.Sc. thesis, Aalto University.
2022
Airola, E., 2022. "Complexing agents in co-precipitation of sparingly soluble nickel rich NCM salts", M.Sc. thesis, University of Oulu, Faculty of Technology.
Bozo, E., 2022. "Interfacial solid-liquid phenomena in precipitation", M.Sc. thesis, University of Oulu, Faculty of Technology.
Hokkanen, E., 2022. "Recovery of under recycled elements from lithium-ion batteries", M.Sc. thesis, Aalto University.
Huhtelin, S., 2022. "Nikkelisulfaatin kriittiset ominaisuudet akkuarvoketjussa", M.Sc. thesis, University of Oulu, Faculty of Technology.
Kaarre, J. 2022. "Graphite purification", M.Sc. thesis (experimental part), University of Oulu, Faculty of Technology.
Markkanen, T., 2022. "Determination of specific surface area from layered lithium nickel-manganese-cobalt oxides with nitrogen adsorption", M.Sc. thesis, University of Oulu, Faculty of Technology.
Schreiner, S., 2022. "ALD/MLD process for coating battery grade graphite", M.Sc. thesis, Aalto University.
Ulmala, S., 2022. "Recovery of Critical Raw Materials from Battery Scrap by Sulfation Roasting", M.Sc. thesis, Aalto University.
BATCircle (2019-2021)
2021
Helin, S.A., 2021. "Extraction of manganese from mining process and battery waste solutions via carbonate precipitation", M.Sc. thesis, Aalto University.
Hänninen, H., 2021. “Practices of value-based pricing in industrial services”, M.Sc. thesis, Aalto University.
Palomäki, H., 2021. “Electrochemical Methods for the Recovery of Battery Metals from Lithium-ion Battery Waste Leach Solutions”, M.Sc. thesis, Aalto University.
2020
Bruk, L., 2020. “Optimization and simulation of NMC-cathode material precursor production”, M.Sc. thesis, LUT University.
Byström, M. 2020. “Co-precipitation of nickel-cobalt-manganese precursor for lithium-ion batteries: Effect of precursor properties on battery performance”, M.Sc. thesis, University of Oulu.
Heliö, H. 2020. “Role of transparency and value communication in ecosystems”, M.Sc. thesis, Aalto University.
Huhtanen, V., 2020. “Impurity removal in the production of nickel and cobalt products for the battery industry”, M.Sc. thesis, University of Oulu.
Hämäläinen, H., 2020. "The effect of digital servitization to the boundaries of firms ”, M.Sc. thesis, Aalto University.
Ihalainen, M., 2020. “Evaluation of health effects after worker exposure to airborne nanoparticles during gas phase processes”, M.Sc. thesis, UEF University.
Jansson, E., 2020. “Investigation of natural graphite as active material for the negative electrode in lithium-ion batteries”, M.Sc. thesis, Aalto University.
Järvenpää, M., 2020. “Improving reduction kinetics and cobalt recovery in nickel slag cleaning furnace conditions”, M.Sc. Thesis, Aalto University.
Kervinen, I., 2020. ”Co-precipitation and thermodynamic properties of NCM carbonates”, M.Sc. thesis, University of Oulu.
Matikainen, O., 2020. “Improving end-of-life energy storage metals’ and nickel recovery in nickel slag cleaning furnace”, M.Sc. thesis, Aalto University.
Olli, S., 2020. “Solid-state lithium-ion batteries – Challenges and opportunities”, M.Sc. thesis, University of Oulu.
Pitkänen, K., 2020. “The institutional challenge of service transformation in a battery ecosystem”, M.Sc. thesis, Aalto University.
Wang, Y., 2020. “Lithium-rich layered oxides as cathode material in LIBs”, M.Sc. thesis, University of Oulu.
2019
Kaukinen, A., 2019. “Ion exchange in hydrometallurgical recycling of Li-ion battery metals: production of Li-Ni-Co mixture”, M.Sc. thesis, LUT University.
Kuorikoski, E., 2019. ”Saostus ja pinta-aktiiviset aineet”, M.Sc. thesis, University of Oulu .
Leskinen, W., 2019. ”Environmental effect of the lithium hydroxide production in pressure leaching with sodium carbonate”, M.Sc. thesis, Aalto University.
Nissi, J., 2019. “Development of safety protocols in Aalto university LIB recycling laboratory”, M.Sc. thesis, Aalto University.
Tuovinen, T., 2019. ”Metalli(II)karbonaattien muodostuminen ja termodynaaminen karakterisointi”, M.Sc. thesis, University of Oulu.
B.Sc. Theses
BATCircle3.0 (2024-)
2025
Jokitalo, E., 2025. “Uuden sukupolven litium-rikkiakut ja niiden katodikemia”, B.Sc. Thesis, University of Oulu
Kella, M., 2025. “Recycling of Lithium Iron Phosphate (LFP) Batteries”. B.Sc. Thesis, Aalto University
Kerttula, S., 2025. “Kiinteät epäorgaaniset elektrolyytit litiumioniakuissa”. B.Sc. Thesis, University of Oulu
Keskimäki, K., 2025. ”Litiumrautafosfaattiakkujen alkaliliuotus”. B.Sc. Thesis, Aalto University
Kinnunen, T., 2025. ”NMC-akkukemikaalien valmistaminen natriumsulfaattivapaalla prosessilla”. B.Sc. Thesis, University of Oulu
2024
Talsta, J., 2024. ”Lisäaineiden vaikutus litiumrautafosfaatin sähkökemiallisiin ominaisuuksiin”. B.Sc. Thesis, Aalto University
BATCircle2.0 (2021-2024)
2024
Taipale, P., 2024. "Para-symeenin käyttö hydrometallurgisen neste–nesteuuton laimentimessa", B. Sc. thesis, LUT University.
2023
Lampinen, A., 2023. "Mangaanin erotus neste-nesteuutolla", B.Sc. thesis, Aalto University.
Palomaa, J-M, 2023. "Komposiittielektrolyytit litiumioniakuissa", B. Sc. thesis, University of Oulu.
Pellonpää, N., 2023. "Katodimateriaalit litium-rikkiakuissa", B. Sc. thesis, University of Oulu.
2022
Alajoki, J., 2022. "Koneoppiminen prosessimallinnuksessa", B.Sc. thesis, Aalto University.
Jokela, M., 2022. "Litiumrautafosfaattiakkujen kierrätys", B.Sc. thesis, Aalto University.
Kupi, A., 2022. "Tellurium cementation from copper anode slime leachate", B.Sc. thesis, Aalto University.
Lamminmäki, R., 2022. "Tulevaisuuden kestävät akkuteknologiat", B.Sc. thesis, Aalto University.
Malinen, J., 2022. "Koboltin kierrätys käytetyistä katalyyteistä", B.Sc. thesis, Aalto University.
BATCircle (2019-2021)
2021
Airola E. 2021. “Piipohjaiset anodimateriaalit litiumioniakuissa”, B.Sc. thesis, University of Oulu.
Finnholm, T., 2021. "Akkumetallien tuotannon ympäristövaikutukset", B.Sc. thesis, Aalto University.
2020
Hietala, M., 2020. ”Harvinaisten maametallien erottaminen ja talteenotto NiMH-akuista”, B.Sc. thesis, University of Oulu.
Vehviläinen, H. 2020. ”Solid state -akkujen tulevaisuus ja kierrätys”, B.Sc. thesis, Aalto University.
2019
Mustonen, I. 2019. ”Nikkelisulfidin saostaminen rikkivedyllä – Tuotteen laatu ja siihen vaikuttavat tekijät”, B.Sc. thesis, University of Oulu.
Saarnisaari, A. 2019. “Elektrolyytin tiheys ja viskositeetti kuparin raffinointielektrolyysissä”, B.Sc. thesis, Aalto University.
BATCircle3.0 (2024-)
2025
Zou, Y., Porkola, T-M., 2025. Leaching of black mass in a sulfuric acid system to prepare 5 liters of pregnant leach solution (PLS). Internal report, Aalto University
Farrari, N., Kallio, T., 2025. Straightforward synthesis approach for Mn-based layered oxide cathodes used in alkaline-ion batteries. Invention disclosure filed to Aalto University with nr. IPID3816
BATCircle2.0 (2021-2024)
2024
2023
Araya-Gómez, N., Tas, G., Saeed, M., Serna-Guerrero, R., 2023. Protocol for the systemic collection of information on recycling processes. Aalto University, confidential report.
Autio, U., Jokinen, J., Salmirinne. H., Koskela, E., 2023. Report on the acquisition of the new regional geophysical data in Kuusamo schist belt. Geological Survey of Finland. Open File Work Report 5/2023. 19 p. Available at: https://tupa.gtk.fi/raportti/arkisto/5_2023.pdf
Butcher, A.R., Jolis, M. E., Lukkari, S., Heikkilä, P., Nuorivaara, T., Michallik, R. M., Michaux, S. P., Sardisco, L., Apeiranthitis, N., Franzel, M., Hirani, J., Tepsell, J., Pearce, T., 2023. Towards creating a set of battery mineral reference materials for applied mineralogy and mineral processing research. Part 1: Nickel reference materials. Geological Survey of Finland, GTK Open File Work Report 26/2023. 36+8 p. Available at: https://tupa.gtk.fi/raportti/arkisto/26_2023.pdf
Butcher, A.R., Sardisco, L., Apeiranthitis, N., Franzel, M., Tepsell, J., Pearce, T.J. Towards creating a set of battery mineral reference materials for applied mineralogy and mineral processing research. Part 2: Lithium reference materials. Geological Survey of Finland, Open File Work Report 86/2023. 41 p. Available at: https://tupa.gtk.fi/raportti/arkisto/86_2023.pdf
Butcher, A.R., Sardisco, L., Apeiranthitis, N., Tepsell, J., Pearce, T.J. Towards creating a set of battery mineral reference materials for applied mineralogy and mineral processing research. Part 3: Cobalt reference materials. Geological Survey of Finland, Open File Work Report 87/2023. 20 p. Available at: https://tupa.gtk.fi/raportti/arkisto/87_2023.pdf
Jokinen, J., Valasti, P., Leinonen, S., 2023. Novel application of geophysical measurements, lithium targets. Geological Survey of Finland, Open File Work Report 48/2023. 16 p. Available at: https://tupa.gtk.fi/raportti/arkisto/48_2023.pdf
Korhonen, T., 2023. Alkali roasting method for purifying graphite concentrate. Geological Survey of Finland, Open File Work Report 52/2023. 8 p., 15 app. pages. Available at: https://tupa.gtk.fi/raportti/arkisto/52_2023.pdf
Korhonen, T., Leinonen, S., Knauf, O., 2023. Characterization of graphite ore feed samples. Geological Survey of Finland. Open File Work Report 63/2023. 29 p. Available at: https://tupa.gtk.fi/raportti/arkisto/63_2023.pdf
Korhonen, T., Michaux, S.P., 2023. Preliminary flotation tests on Aitolampi drill core samples. Geological Survey of Finland, Open File Work Report 65/2023. 26 p., 108 app. pages. Available at: https://tupa.gtk.fi/raportti/arkisto/65_2023.pdf
Leinonen, S., 2023. Production of purified spherical graphite. Geological Survey of Finland. Open File Work Report 64/2023. 5 p. Available at: https://tupa.gtk.fi/raportti/arkisto/64_2023.pdf
Leinonen, S., 2023. Progress report on sampling methods for identifying geochemical halos. Geological Survey of Finland. Open File Work Report 13/2023. 8 p. Available at: https://tupa.gtk.fi/raportti/arkisto/13_2023.pdf
Michaux, S.P., Hirani, J., Nad, A., Korhonen, T., Rytkönen, S., Sardisco, L., Tepsell, J., Apeiranthitis, N., Franzel, M., Pirrie, D., Wray, D., Jolis, E.M., Davidson, M., Butcher, A.R., 2023. Geometallurgical characterization of samples from Aitolampi graphite ore. Geological Survey of Finland. Open File Work Report 17/2023. Available at: https://tupa.gtk.fi/raportti/arkisto/17_2023.pdf
Pohjalainen, E., Marttila, V., Kinnunen, K., 2023. Assessment of environmental impacts and circularity on lithium-ion batteries. Public report, VTT-R-00714-23, https://cris.vtt.fi/en/publications/assessment-of-environmental-impacts-and-circularity-of-lithium-io
Tas, G., Saeed, M., Araya-Gómez, N., Dilmaghani, S., Serna-Guerrero, R., 2023. Data collection from literature, databases and laboratory-scale recycling processes. Aalto University, confidential report.
2022
Bacher, J., 2022. Secondary raw materials for primary processing. VTT Public report, VTT-R-00573-22, https://cris.vtt.fi/en/publications/secondary-raw-materials-for-primary-processing-d212-literature-re
Chudasama, B., Sarala, P., 2022. Mineral prospectivity mapping of lithium- spodumene pegmatites in the Kaustinen region of Finland: Implications for lithium exploration in Finland. Geological Survey of Finland, Open File Work Report, https://tupa.gtk.fi/raportti/arkisto/28_2022.pdf
Michaux, S., 2022. Survey of end of life Finnish industrial battery metal sites that have potential acid mine drainage impacts. Geological Survey of Finland, GTK Open File Work Report 21/2022, https://tupa.gtk.fi/raportti/arkisto/21_2022.pdf
Michaux, S., Hirani, J., Nad, A., Korhonen, T., Yutong, X., Rytkönen, S., Sardisco, L., Tepsell, J., Apeiranthitis, N., Franzel, M., Pirrie, D., Wray, D., Lukkari, S., 2022. Harjavalta smelter side stream sample characterization. Geological Survey of Finland, GTK Open File Work Report 45/2022. 177 p.
Karppinen, A., Seisko, S., Lundström, M., 2022. Production of battery metals from potential secondary streams. Aalto University, confidential report.
Karppinen, A., Seisko, S., Lundström, M., 2022. Short report of characterization of Co- and Ni-rich sulfate solutions and evaluation of possible processing routes in BATCircle2.0 project. Internal report for BATCircle2.0.
Kupi, A., 2022. Tellurium cementation from industrial leachate – The kinetics and yield. Aalto University, confidential report.
Pohjalainen, E., Karhu, M., Vatanen, S., 2022. Environmental data for batteries, availability and gaps. VTT Confidential report.
Corfe, I.J., Butcher, A., 2022. Literature survey of potential raw materials for rechargeable batteries. Geological Survey of Finland, Open File Work Report 32/2022, https://tupa.gtk.fi/raportti/arkisto/32_2022.pdf
BATCircle (2019-2021)
2021
Bachér, J., Mäkelä, T., Porvali, A., Rintala, L., 2021, “Characteristics of crushed battery waste and mechanical pretreatment at laboratory scale”, VTT Research Report, (VTT-R-01091-20).
Dehaine, Q., Farajewicz, M., Michaux, S.P., Butcher, A.R., Cook, N., 2021, “Geometallurgical characterization of the Rajapelot Au-Co project”, GTK Open File Work Report 5/2021, https://tupa.gtk.fi/raportti/arkisto/5_2021.pdf
Dehaine, Q., Michaux, S.P., Butcher, A.R., 2021, “Metallurgical testwork for the geometallurgical orientation study of the Mawson Gold’s Rajapalot Au-Co project”, GTK Open File Work Report 14/2021, https://tupa.gtk.fi/raportti/arkisto/14_2021.pdf
Farajewicz, M., Cook, N., 2021, “Sample Selection for Geometallurgical Characterization in the Rajapalot Deposit”, GTK Open File Work Report 9/2021, https://tupa.gtk.fi/raportti/arkisto/9_2021.pdf
Hannula, P-M., Seisko, S., Kauranen, P., Lundström, M., 2021, "Finland-based Circular Ecosystem of Battery Metals - BATCircle", Final Report, 2019-2021.
Michaux, S.P., Butcher, A.R., Dehaine, Q., Korhonen, T., Rivera, W., Bastin, D., Sardisco, L., Hughes, C., Morgan, L., Martin, J., Auranen, I., 2021, “Metallurgical testwork for the geometallurgical orientation study of the Konttijärvi Ni-Cu-PGE-(Au-Co) deposit”, GTK Open File Work Report 15/2021, https://tupa.gtk.fi/raportti/arkisto/15_2021.pdf
Tuomela, P., Törmänen, T., Michaux, S., 2021, “Strategic roadmap for the development of Finnish battery mineral resources”, GTK Open File Work Report 31/2021, https://tupa.gtk.fi/raportti/arkisto/31_2021.pdf
Törmänen, T., Tuomela, P., 2021, “Analysis of Finnish battery mineral deposits with special emphasis on cobalt”, GTK Open File Research Report 29/2021, https://tupa.gtk.fi/raportti/arkisto/29_2021.pdf
2020
Hannula, P-M., Chernyaev, A., Seisko, S., Lundström, M., 2020, Materia Magazine 5/2020, “The research on recycling of Lithium-ion batteries in Aalto University” pp. 55-57, Available at: https://vuorimiesyhdistys.fi/wp-content/uploads/2020/12/Materia_5-2020.pdf
Michaux, S., Butcher, A., Sardisco, L., Hughes, C., Morgan, L., Knauf, O., Dehaine, Q., 2020, “Characterization for Konttijärvi Geometallurgical Orientation Study Samples”, GTK Open File Work Report 28/2020. https://tupa.gtk.fi/raportti/arkisto/28_2020.pdf
Salvador, D., Yang, J., 2020, “Purification Tests on Graphite Flotation Concentrates”, GTK Research Report 21/2020.
Seppälä, P., Korhonen, T., 2020, “The Performance and Behavior of Alternative Collectors and the Effect of Temperature in Spodumene Flotation”, GTK Research Report 18/2020.
2019
Fabritius, T., Visuri, V-V., Heikkinen, E-P., Kömi, J., Larkiola, J., Nousiainen, O., Lassi, U., Tynjälä, P., 2019, ”Metallurginen tutkimus Oulun yliopistossa”, Materia 77 (1), 16-19.
Hannula, P-M. Lundström, M., Kauranen, P., 2019, ”Kestävä akkuekosysteemi nojaa kiertotalouteen”, Boardview 2/2019, pp. 40-45. Available at: https://dif.fi/wp-content/uploads/2019/12/Boardview-2_2019.pdf
Hakanen, E., 2019, "Lectio: Uudet liiketoimintamallit teknologiateollisuudessa", Tiedepolitiikka 2/2019, pp. 40-42.
Hannula, P. Lundström, M., Kauranen, P., 2019, “Finland-based Circular Ecosystem of Battery Metals (BATCircle)” Materia 2/2019, pp. 27-28, Available at: https://vuorimiesyhdistys.fi/wp-content/uploads/2019/09/Materia_2019-2.pdf
Jokilaakso, A., Lundström, M., Hannula, P-M., Klemettinen, L., 2019, “The Third International Process Metallurgy Symposium – Metallurgy as a tool for challenges in circular economy”, Materia 5/2019, pp. 57-61, Available at: https://vuorimiesyhdistys.fi/wp-content/uploads/2019/12/Materia_5-19.pdf
Michaux, S., O’Connor, L., 2019, “How to Set Up and Develop a Geometallurgical Program”, GTK Open File Work Report. http://tupa.gtk.fi/raportti/arkisto/72_2019.pdf
Michaux, S., 2019, “Oil from a Critical Raw Material Perspective”, GTK Open File Work Report, http://tupa.gtk.fi/raportti/arkisto/70_2019.pdf
