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How Do Cyclic Carbonate Electrolyte Additives Improve Li-ion Battery Performance?

Tavassol, Hadi (2014) How Do Cyclic Carbonate Electrolyte Additives Improve Li-ion Battery Performance? Electrochemical Society Interface, 23 (4). pp. 85-86. ISSN Electrochemical Society.

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Li ion batteries (LIB) are ubiquitous in portable electronics, and are increasingly used in automotive applications. Improvements in stability and long-term capacity of LIBs are essential to satisfy fast growing demands in both sectors. The electrolyte mixture in a LIB is often modified to boost the long term stability of the solid electrolyte interphase (SEI) which forms particularly at the surface of the battery anode. Small quantities of additives are known to increase the stability and long-term cyclability of LIBs. Some of the most widely used additives are cyclic carbonates such as vinylene carbonate (VC) and vinyl ethylene carbonate (VEC). This class of additives contain unsaturated C-C bonds, which are believed to facilitate the formation of a more stable SEI.

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Additional Information:© 2014 Electrochemical Society. The ECS is gratefully acknowledged for the H. H. Uhlig Summer Fellowship Award. I would also like to thank Professor Andrew A. Gewirth for his constant guidance and support. This work was supported in part by the Center for Electrical Energy Storage, an Energy Frontier Research Center funded by the U.S. Department of Energy. I also acknowledge Jennifer L. Esbenshade, my collaborator in this project.
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H. H. Uhlig Summer FellowshipUNSPECIFIED
Department of Energy (DOE)UNSPECIFIED
Issue or Number:4
Record Number:CaltechAUTHORS:20150209-083228338
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:54518
Deposited By: Tony Diaz
Deposited On:09 Feb 2015 21:41
Last Modified:03 Oct 2019 07:58

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