阴极
锂(药物)
电化学
材料科学
电池(电)
纳米技术
商业化
工艺工程
化学
工程类
电气工程
业务
电极
医学
功率(物理)
物理
物理化学
量子力学
营销
内分泌学
作者
Yuanqi Lan,Xinke Li,Guangmin Zhou,Wenjiao Yao,Hui‐Ming Cheng,Yongbing Tang
标识
DOI:10.1002/advs.202304425
摘要
Abstract Recycling cathode materials from spent lithium‐ion batteries (LIBs) is critical to a sustainable society as it will relief valuable but scarce recourse crises and reduce environment burdens simultaneously. Different from conventional hydrometallurgical and pyrometallurgical recycling methods, direct regeneration relies on non‐destructive cathode‐to‐cathode mode, and therefore, more time and energy‐saving along with an increased economic return and reduced CO 2 footprint. This review retrospects the history of direct regeneration and discusses state‐of‐the‐art development. The reported methods, including high‐temperature solid‐state, hydrothermal/ionothermal, molten salt thermochemistry, and electrochemical method, are comparatively introduced, targeting at illustrating their underlying regeneration mechanism and applicability. Further, representative repairing and upcycling studies on wide‐applied cathodes, including LiCoO 2 (LCO), ternary oxides, LiFePO 4 (LFP), and LiMn 2 O 4 (LMO), are presented, with an emphasis on milestone cases. Despite these achievements, there remain several critical issues that shall be addressed before the commercialization of the mentioned direct regeneration methods.
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