Direct low-cost regeneration
A one-step solid-state sintering with melamine and phytate lithium simultaneously replenishes lithium, repairs defects, and forms an N-doped carbon layer, restoring spent LiFePO4 to high performance.
Wang, Tiansheng · Chaochao, Gao · Zeqiang, Zheng · Yu, Wen · Wang, Mi · Yang, Chao · Zhang, Jiaheng
Advanced Functional Materials 2025