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May 7, 20260 citations

Acid-free anodic suspension electrolysis strategy for the efficient recycling of industrial LiCoO2 black mass from spent Li-ion battery.

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JWJiayi WangSRShuqi RenRLRuili Liang

Key Points

  • The research aims to develop an eco-friendly strategy for recycling LiCoO2 from spent Li-ion batteries.
  • Applied acid-free anodic suspension electrolysis technique for recycling.
  • Conducted solid-phase heat treatment for regeneration of layered LCO.
  • Measured discharge specific capacity and capacity retention of regenerated LCO.
  • Regenerated LCO exhibits a discharge specific capacity of 149 mAh/g at 0.5 C.
  • Achieved capacity retention rate of 91.6% after 200 cycles at 0.5 C.
  • Demonstrated an eco-friendly and scalable solution for recycling spent LCO.

Abstract

can be subjected to a solid-phase heat treatment for the regeneration of layered LCO. The regenerated LCO exhibits a discharge specific capacity of 149 mAh/g at 0.5 C, covering around 98.4% of the commercial LCO, and the capacity retention rate reaches up to 91.6% after 200 cycles at 0.5 C. This work provides an eco-friendly and scalable solution for recycling and regenerating spent LCO cathode materials.

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Cite This Study

Wang et al. (2026) studied this question.

synapsesocial.com/papers/69fbe382164b5133a91a2d26https://doi.org/10.1016/j.wasman.2026.115569
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