Direct regeneration at 80 °C
A glycerol–LiCl deep eutectic solvent directly replenishes lithium and reduces Co4+ under mild conditions, avoiding high-temperature roasting and acid leaching, restoring spent LiCoO2 cathode structure and capacity.
Zhang, Xiaoxuan · Wang, Tiansheng · Chaochao, Gao · Yu, Wen · Wang, Mi · Zhang, Jiaheng · Yang, Chao
Small Methods 2025