Propylene sulfite as film-forming electrolyte additive in lithium ion batteries |
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| Institution: | 1. Department of Chemistry, University of Rhode Island, Kingston, RI 02881, United States;2. Key Laboratory of Superlight Materials and Surface Technology of Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001,China;1. School of Materials and Energy, State Key Laboratory of Electronic Thin Film and Integrated Devices, University of Electronic Science and Technology of China, Chengdu 610054, China;2. State Key Laboratory of Advanced Chemical Power Sources, Guizhou Meiling Power Sources Co. Ltd., Zunyi, Guizhou 563003, China |
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| Abstract: | Propylene sulfite (PS) has been studied as a film-forming electrolyte additive for use in lithium ion battery electrolytes. Even small amounts in the order of 5 vol.% PS suppress propylene carbonate (PC) co-intercalation into graphite. In addition, a 1 M LiClO4/PC/PS (95:5 by volume) electrolyte is characterised by a high oxidation stability at a LiMn2O4 cathode. |
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