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Song, Hyun-Kon
eclat: ElectroChemistry Lab of Advanced Technology
Research Interests
  • Electrochemical analysis, electroactive materials, electrochemistry-based energy devices

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A metal-ion-chelating organogel electrolyte for Le Chatelier depression of Mn3+ disproportionation of lithium manganese oxide spinel

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Title
A metal-ion-chelating organogel electrolyte for Le Chatelier depression of Mn3+ disproportionation of lithium manganese oxide spinel
Author
Cho, Yoon-GyoJung, Seo-HyunJoo, Se HunJeon, YujuKim, MinsooLee, Kyung MinKim, SeungminPark, Jong MokNoh, Hyun KukKim, Young-SooHong, Jung-EuiJeon, Sang-IkKim, TaewonKwak, Sang KyuKong, HoyoulSong, Hyun-Kon
Issue Date
2018-12
Publisher
ROYAL SOC CHEMISTRYROYAL SOC CHEMISTRY
Citation
JOURNAL OF MATERIALS CHEMISTRY A, v.6, no.45, pp.22483 - 22488
Abstract
We present a metal-ion-chelating organogel electrolyte, thermally gelated within cells, to solve the problems triggered by metal dissolution from cathodes of lithium ion batteries. The organogel significantly improved the capacity retention of lithium manganese oxide spinel during cycling. The organogel mitigated metal deposition on anodes by capturing metal ions (anode protection). Interestingly, the organogel inhibited metal dissolution by keeping dissolved metal ions highly concentrated around the cathode surface (cathode protection by Le Chatelier's principle).
URI
https://scholarworks.unist.ac.kr/handle/201301/25514
URL
https://pubs.rsc.org/en/Content/ArticleLanding/2018/TA/C8TA08560A#!divAbstract
DOI
10.1039/c8ta08560a
ISSN
2050-7488
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ECHE_Journal Papers
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