期刊
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
卷 162, 期 9, 页码 A1708-A1717出版社
ELECTROCHEMICAL SOC INC
DOI: 10.1149/2.0061509jes
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资金
- United States Government
- Advanced Research Projects Agency - Energy (ARPA-E)
- U.S. Department of Energy [DE-AR0000275]
- McDonnell International Scholar Academy at Washington University in St. Louis
The graphite anode in lithium-ion batteries is vulnerable to capacity fade due to several mechanisms. Advancement in understanding of such capacity fade mechanisms has paved the way for selecting design parameters that consider these effects. This paper shows the effect of porosity, thickness, and tortuosity of the anode on capacity fade mechanisms. Three main capacity fade mechanisms are analyzed in this paper: (1) solid electrolyte interface (SET) side reaction, (2) lithium plating side reactions and (3) mechanical degradation due to intercalation induced stresses. Moreover, for a given thickness and porosity of anode, the effect of porosity variation on capacity fade mechanisms is also presented. (C) The Author(s) 2015. Published by ECS. All rights reserved.
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