90% capacity after 1000 cycles
Utilizes Fe/Li vacancies in spent LiFePO₄ to achieve selective Ti⁴⁺ doping at Fe sites while repairing Li-site defects, expanding lithium diffusion channels and significantly improving capacity and cycling stability of the regenerated cathode.
Jiale, Zhang · Zeyu, Dong · Zeng, Zihao · Yuhang, Zhao · Sun, Wei · Ge, Peng · Yang, Yue
Advanced Functional Materials 2026