Recycling Process for Spent Cathode Materials of LiFePO₄ Batteries

Abstract:

The cathode materials of LiFePO₄ batteries decreases due to the gradual loss of lithium content during use. In this paper, the spent cathode materials were recycled with a carbon layer coated. The samples were prepared by a high temperature impurity removal procession and a solid phase repairing method. The LiFePO₄ material obtained by the regeneration process has a discharge specific capacity of 105.4 mAh/g at 0.1 C after 10 cycles, and keeps it a considerable retention of 73.1 mAh/g at 1 C. This work provides a new routine in reusing lithium ion batteries.

• Periodical: Materials Science Forum (Volume 943)
• Pages: 141-148
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.943.141
• Online since: January 2019
• Authors: Xiao Tong Jiang, Pan Wang, Long Hui Li, Jia Yu, Yu Xin Yin, Feng Hou*
• Keywords: LiFePO₄, Lithium Ion Battery, Recycling Process

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