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Electrode separation via water electrolysis for sustainable battery recycling

Author

Listed:
  • Fangzhou Yang

    (Tongji University)

  • Xinlong Chen

    (Tongji University)

  • Ge Qu

    (Tongji University)

  • Quan Nie

    (Tongji University)

  • Ganxiong Liu

    (Tongji University)

  • Wang Wan

    (Tongji University)

  • Tanyuan Wang

    (Huazhong University of Science and Technology)

  • Sa Li

    (Tongji University)

  • Yunhui Huang

    (Huazhong University of Science and Technology)

  • Ju Li

    (Massachusetts Institute of Technology)

  • Chao Wang

    (Tongji University)

Abstract

Recycling large quantities of lithium-ion batteries facing retirement is pivotal for resource conservation and environmental sustainability. Direct recycling, while offering a promising avenue with reduced waste compared with pyrometallurgy and hydrometallurgy, often involves intricate and long processes. Here we introduce a water electrolysis-induced separation approach, using H2 or O2 gas bubbling to efficiently separate electrode materials from current collectors. The process achieves 99.5% materials recovery with metal impurities

Suggested Citation

  • Fangzhou Yang & Xinlong Chen & Ge Qu & Quan Nie & Ganxiong Liu & Wang Wan & Tanyuan Wang & Sa Li & Yunhui Huang & Ju Li & Chao Wang, 2025. "Electrode separation via water electrolysis for sustainable battery recycling," Nature Sustainability, Nature, vol. 8(5), pages 520-529, May.
    • Handle: RePEc:nat:natsus:v:8:y:2025:i:5:d:10.1038_s41893-025-01539-3
    DOI: 10.1038/s41893-025-01539-3
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