Advanced Materials· Ganxiong Liu,
Zhiqi Yang,
Fangzhou Yang,
Quan Nie,
Jiae Wu,
Jiarui Li,
Wang Wan,
Boning Wang,
Fengshuo Yang,
Xuezhe Wei,
Yunhui Huang,
Chao Wang·· 22 天前AI 评分39
废正极通用升级再造为锂供体,实现高性能耐候电池
Universal Upcycling of Spent Cathodes Into Lithium Donors for High‐Performance and Resilient Batteries
模型导读
一种"可逆-牺牲"通用策略将废正极材料转化为过渡金属/Li₂O 纳米复合物,作为高效牺牲锂源,首次充电时产气可忽略。该策略通过将废正极粉末涂覆在商用隔膜上,室温下与厚锂箔接触锂化,制成供锂隔膜,避免电极损伤,提升可逆容量、循环稳定性及零电压存储与过放耐受性。该方法适用于多种正极体系和混合正极废料,为电池回收与补锂提供可规模化路径。
来源:Advanced Materials · advanced.onlinelibrary.wiley.com