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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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Interfacial architectures based on a binary additive combination for high-performance Sn4P3 anodes in sodium-ion batteries

Cited 5 times inthomson ciCited 3 times inthomson ci
Title
Interfacial architectures based on a binary additive combination for high-performance Sn4P3 anodes in sodium-ion batteries
Author
Jang, Jun YeongLee, YongwonKim, YoungjinLee, JeongminLee, Sang-MinLee, Kyu TaeChoi, Nam-Soon
Issue Date
2015-04
Publisher
ROYAL SOC CHEMISTRYROYAL SOC CHEMISTRY
Citation
JOURNAL OF MATERIALS CHEMISTRY A, v.3, no.16, pp.8332 - 8338
Abstract
We demonstrate the important strategy to design suitable electrolyte systems that make the desirable interfacial structure to allow the reversible sodiation/desodiation of Sn4</inf>P3</inf> anodes. Our investigation reveals that the remarkable improvement in the electrochemical performance of Sn4</inf>P3</inf> anodes for NIBs is achieved by the combination of fluoroethylene carbonate (FEC) with tris(trimethylsilyl)phosphite (TMSP). We clearly present the unique functions of this binary additive combination to build up a protective surface film on the Sn4</inf>P3</inf> anode against unwanted electrolyte decomposition and to prevent the formation of the Na15</inf>Sn4</inf> phase, which is accompanied by a large volume expansion during the Na insertion (sodiation) process. ⓒ The Royal Society of Chemistry 2015
URI
https://scholarworks.unist.ac.kr/handle/201301/11507
URL
http://pubs.rsc.org/en/Content/ArticleLanding/2015/TA/C5TA00724K#!divAbstract
DOI
10.1039/c5ta00724k
ISSN
2050-7488
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ECHE_Journal Papers
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