期刊
JOURNAL OF POWER SOURCES
卷 166, 期 1, 页码 266-272出版社
ELSEVIER
DOI: 10.1016/j.jpowsour.2006.12.086
关键词
lithium-ion battery; carbon anode; self-discharge; capacity loss simulation; storage
A mathematical model was developed which simulates the self-discharge capacity losses in the carbon anode for a SONY 18650 lithium-ion battery. The model determines the capacity loss during storage on the basis of a continuous reduction of organic solvent and de-intercalation of lithium at the carbon/electrolyte interface. The state of charge, open circuit potential, capacity loss and film resistance on the carbon electrode were calculated as a function of storage time using different values of rate constant governing the solvent reduction reaction. (c) 2007 Elsevier B.V. All rights reserved.
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