All-element recovery and regeneration of mixed LiNixCoyMn1−x−yO2/LiFePO4 cathode materials by synergistic redox processes

at 1C, and the cycle retention rate was 76.78% after 300 cycles. Regenerating FPO into LFP cathode material achieves closed-loop recycling of all elements and generates 12% higher profits compared to separate processes. Our method proposes a zero-additive battery recycling process and successfully explains the intrinsic redox process.