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Updated: Sep 19, 2025

The Effect of Charging and Discharging Lithium Iron Phosphate-graphite Cells at Different Temperatures on Degradation
Published on: July 18, 2018
Rapid room-temperature repair of spent lithium iron phosphate via redox mediators
Jinsuo Zhang1, Xinlong Chen1, Ge Qu1
1School of Materials Science and Engineering, Tongji University, Shanghai 201804, China. chaow@tongji.edu.cn.
Abstract:
A rapid room-temperature repair method for spent LiFePO4 (LFP) powders and electrodes is presented, achieving restoration within 10 minutes. The process facilitates lithiation kinetics through redox reactions between iodide and triiodide ions and supports reuse. This clean, low-energy method provides promising technology for efficiently recycling LFP cathodes.
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