Nondisassembly Repair of Degraded LiFePO4 Cells via Lithium Restoration from the Solid Electrolyte Interphase
Xiaodi Zhao,
Hao Chen,
Hu Wu
et al.
Abstract:The disposal of degraded batteries will be a severe challenge with the expanding market demand for lithium iron phosphate (LiFePO 4 or LFP) batteries. However, due to a lack of economic and technical viability, conventional metal extraction and material regeneration are hindered from practical application. Herein, we propose a nondisassembly repair strategy for degraded cells through a lithium restoration method based on deep discharge, which can elevate the anodic potential to result in the selective oxidativ… Show more
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