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Rejuvenation of aged graphite anodes from spent lithium-ion batteries via a facile surface treatment strategy
Jintao Zhang1, Xuesong Yin1, Wanwan Wang1
1Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Innovis #08-03, Singapore 138634, Republic of Singapore. zl-liu@imre.a-star.edu.sg.
Abstract:
In this study, we present a facile formic acid treatment to rejuvenate aged graphite anodes from spent lithium-ion batteries (LIBs) without damaging the electrode structure. This method effectively removes the interfacial blocking layer, improving capacity and rate performance. Our approach contributes to sustainable battery recycling strategies for spent graphite anodes in LIBs.

