期刊
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
卷 163, 期 7, 页码 A1232-A1238出版社
ELECTROCHEMICAL SOC INC
DOI: 10.1149/2.0591607jes
关键词
-
资金
- European Community [608931]
Deposition of metallic Li is a severe aging mechanism in Lithium-ion cells. This study evaluates the influence of the main operating parameters leading to deposition of Li: temperature, charging C-rate, and end-of-charge voltage. Therefore both, graphite anodes and NMC cathodes from commercial 16Ah pouch cells are reconstructed into 3-electrode full cells. The position of the reference electrode between anode and cathode allows acquiring anode potentials vs. (Li/Li+). Extensive evaluations of data reveal critical combinations of operating parameters to avoid Li deposition. The results from the reconstructed 3-electrode cells are compared with independently performed aging tests of the original 16Ah cells. (C) The Author(s) 2016. Published by ECS. All rights reserved.
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