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Updated: Jul 18, 2025

Three-electrode Coin Cell Preparation and Electrodeposition Analytics for Lithium-ion Batteries
Published on: May 22, 2018
Dendrite inhibited and dead lithium activated dual-function additive for lithium metal batteries
Erlei Zhang1, Huijie Tian1, Meng Li1
1School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, Heilongjiang, 150080, P. R. China. fanlsh@hit.edu.cn.
Abstract:
In this study, 2-fluoro-5-iodopyridine (2-F-5-IPy) was used as an electrolyte additive, which can not only protect the negative electrode effectively by forming a stable SEI, but also convert dead lithium into active lithium. Benefits from this are a capacity retention of a Li‖LiFePO4 cell after 300 cycles from 36.5% to 89.4%, and the symmetrical cell can work stably for more than 800 hours. Therefore, the addition of 2-F-5-IPy can effectively improve the performance of lithium metal batteries.
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