Researchers develop energy-efficient process to recycle Li-ion battery cathodes

By mmillikin Engineers at the University of California San Diego and the University of California Los Angeles have developed an energy-efficient approach to regenerate Li-ion battery cathode materials (using LiCoO2 as a model material) by hydrothermal treatment of cycled electrode particles followed by short annealing. Unlike the conventional chemical leaching or solid-state synthesis approach, the approach is much simpler and more environmentally friendly, and can easily process batteries with different capacity degradation conditions.

The regenerated LiCoO2 particles can retain their original morphology and structure, and provide high specific capacity and cycling stability. They also show much better rate capability than particles regenerated through

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