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Choi, Nam-Soon
Energy Materials Lab
Research Interests
  • Rechargeable lithium battery, electrolytes for next generation Mg and Na battery

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A bi-functional lithium difluoro(oxalato)borate additive for lithium cobalt oxide/lithium nickel manganese cobalt oxide cathodes and silicon/graphite anodes in lithium-ion batteries at elevated temperatures

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dc.contributor.author Lee, Sung Jun ko
dc.contributor.author Han, Jung-Gu ko
dc.contributor.author Lee, Yongwon ko
dc.contributor.author Jeong, Myung-Hwan ko
dc.contributor.author Shin, Woo Cheol ko
dc.contributor.author Ue, Makoto ko
dc.contributor.author Choi, Nam-Soon ko
dc.date.available 2014-10-02T08:51:53Z -
dc.date.created 2014-10-02 ko
dc.date.issued 2014-08 ko
dc.identifier.citation ELECTROCHIMICA ACTA, v.137, pp.1 - 8 ko
dc.identifier.issn 0013-4686 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/6832 -
dc.description.abstract Lithium difluoro(oxalato)borate (LiFOB) is investigated as an additive for enhancing the electrochemical performance of high-voltage lithium cobalt oxide (LiCoO2, LCO)/lithium nickel manganese cobalt oxide (LiNi0.6Co0.2Mn0.2O2, NMC) cathodes and high-capacity silicon/graphite (Si-C) anodes. LCO-NMC/Si-C full cells with a LiFOB additive have been found to exhibit improved high temperature electrochemical performance. To confirm the effects of LiFOB on the cathode and the anode, the surface chemistry of the anodes and cathodes cycled in electrolytes with and without the LiFOB additive are examined using ex-situ X-ray photoelectron spectroscopy (XPS). The LiFOB additive produces a LiF-based solid electrolyte interphase (SE!) on the Si-C anode and a carboxylate-based SEI on the LCO-NMC cathode. (C) 2014 Elsevier Ltd. All rights reserved. ko
dc.description.statementofresponsibility close -
dc.language 영어 ko
dc.publisher PERGAMON-ELSEVIER SCIENCE LTD ko
dc.title A bi-functional lithium difluoro(oxalato)borate additive for lithium cobalt oxide/lithium nickel manganese cobalt oxide cathodes and silicon/graphite anodes in lithium-ion batteries at elevated temperatures ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-84907550194 ko
dc.identifier.wosid 000341462500001 ko
dc.type.rims ART ko
dc.description.wostc 2 *
dc.date.tcdate 2015-05-06 *
dc.identifier.doi 10.1016/j.electacta.2014.05.136 ko
dc.identifier.url http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84907550194 ko
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