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Study on the cycling performance of Li4Ti5O12/LiCoO2 cells assembled with ionic liquid electrolytes containing an additive
- Issue Date
- Sep-2012
- Publisher
- PERGAMON-ELSEVIER SCIENCE LTD
- Keywords
- Additive; Ionic liquid; Lithium-ion battery; Solid electrolyte interphase
- Citation
- ELECTROCHIMICA ACTA, v.78, pp.11 - 16
- Indexed
- SCIE
SCOPUS
- Journal Title
- ELECTROCHIMICA ACTA
- Volume
- 78
- Start Page
- 11
- End Page
- 16
- ISSN
- 0013-4686
- Abstract
- The cycling behavior of Li4Ti5O12/LiCoO2 cells in the ionic liquid electrolytes based on 1-butyl-1-methylpyrrolidinium bis(trifluoromethanesulfonyl) imide (BMP-TESI) with different additives, such as vinylene carbonate (VC), 1,3-propane sultone (PS) and their mixture is investigated. The cell assembled with BMP-TESI containing 10 wt% VC/PS (1:1 by weight) exhibits reversible cycling behavior with good capacity retention. FTIR studies reveal that the electrochemically stable solid electrolyte interphase forms on Li4Ti5O12 electrode in the presence of a mixture of VC and PS during cycling. The additives hardly affect the composition, thickness and stability of the surface film formed on the LiCoO2 cathode.
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Collections - 서울 공과대학 > 서울 화학공학과 > 1. Journal Articles
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Related Researcher
- Kim, Dong Won
- COLLEGE OF ENGINEERING (DEPARTMENT OF CHEMICAL ENGINEERING)