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MethanesulfonicLithium-ion batteries acid (MSAMethanesulfonic Acid (MSA)) is gaining attention as promising lixiviant in hydrometallurgical processesHydrometallurgical processes. In this study, MSAMethanesulfonic Acid (MSA) was utilized to recover critical metalsCritical metals (lithiumLithium, nickelNickel, cobaltCobalt, and manganese) from the black massBlack mass of spent lithiumLithium-ion batteriesBattery. The effects of leachingLeaching parameters were examined and optimized. Complete leachingLeaching of all target metalsMetals was accomplished under the conditions: 500 rpm, 1.5 M MSAMethanesulfonic Acid (MSA), 0.2 M H2O2, 60 °C, and 50 g/L, for 4 h leachingLeaching. The leachingLeaching kinetics were studied using the Avrami model, showing that the leachingLeaching was governed by chemical reactions, with activation energies of 46.81 kJ/mol for Li, 58.9 kJ/mol for Ni, 59.67 kJ/mol for Co, and 58.6 kJ/mol for Mn (25 − 70 °C). The graphiteGraphite content in the leachingLeaching residue was improved through pyrolysis.

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Sustainable Recovery of Critical Metals from Black Mass of Spent Lithium-Ion Batteries Using Methanesulfonic Acid: Leaching and Kinetics

  • 会议论文

  • 发表日期：

    2025年

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  • Kurniawan Kurniawan,
  • Mooki Bae,
  • Sookyung Kim

摘要

MethanesulfonicLithium-ion batteries acid (MSAMethanesulfonic Acid (MSA)) is gaining attention as promising lixiviant in hydrometallurgical processesHydrometallurgical processes. In this study, MSAMethanesulfonic Acid (MSA) was utilized to recover critical metalsCritical metals (lithiumLithium, nickelNickel, cobaltCobalt, and manganese) from the black massBlack mass of spent lithiumLithium-ion batteriesBattery. The effects of leachingLeaching parameters were examined and optimized. Complete leachingLeaching of all target metalsMetals was accomplished under the conditions: 500 rpm, 1.5 M MSAMethanesulfonic Acid (MSA), 0.2 M H2O2, 60 °C, and 50 g/L, for 4 h leachingLeaching. The leachingLeaching kinetics were studied using the Avrami model, showing that the leachingLeaching was governed by chemical reactions, with activation energies of 46.81 kJ/mol for Li, 58.9 kJ/mol for Ni, 59.67 kJ/mol for Co, and 58.6 kJ/mol for Mn (25 − 70 °C). The graphiteGraphite content in the leachingLeaching residue was improved through pyrolysis.