Journal
ELECTROCHEMISTRY
Volume 88, Issue 4, Pages 340-342Publisher
ELECTROCHEMICAL SOC JAPAN
DOI: 10.5796/electrochemistry.20-00052
Keywords
Li-ion Cells; Low Temperature; Lithium Plating
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Funding
- International Joint Research Program for Innovative Energy Technology of the Ministry of Economy, Trade and Industry (METI), Japan
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Commercially available 18650 LiFePO4-Graphite Li-ion cells were exposed to charge-discharge cycling at 0 degrees C following two different charge methods: constant current-constant voltage (CC-CV) and constant current (CC), and two different discharge rates: 1 C and 0.2 C. The effect of the charge method and discharge rate on the cell performance was analyzed. The cell exposed to CC charge and 1 C discharge-rate showed a high voltage plateau at the beginning of the discharge voltage, while a high voltage plateau was not observed in the discharge profiles of the cells exposed to a discharge rate of 0.2 C. (C) The Author(s) 2020. Published by ECSJ.
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