期刊
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
卷 164, 期 13, 页码 A3018-A3024出版社
ELECTROCHEMICAL SOC INC
DOI: 10.1149/2.0381713jes
关键词
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资金
- Elements Strategy Initiative for Catalysts and Batteries (ESICB) of the Ministry of Education, Culture, Sports, Science and Technology (MEXT)
- Ministry of Education, Culture, Sports, Science and Technology, Japan
- Institute for Molecular Science
- Grants-in-Aid for Scientific Research [16H06441] Funding Source: KAKEN
The solid electrolyte interphase (SEI) film is a key material for lithium-ion battery high cycle performance and safety. In this study, we developed a multiscale model for simulating the 2+1 dimensional SEI film growth in lithium-ion batteries by combining a single particle model and a kinetic Monte Carlo model. The developed model can simulate hundreds of charge and discharge cycles while simultaneously considering the effect of surface defects on SEI film growth and capacity fading. The results of our simulations show that the SEI film effect is large, and we propose that understanding and controlling SEI film growth is important for the improvement of lithium-ion battery cycle performance and safety. (C) 2017 The Electrochemical Society. All rights reserved.
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