Electrochemical intercalation of lithium into graphite in room-temperature molten salt containing ethylene carbonate

Yasushi Katayama; Makoto Yukumoto; Takashi Miura

doi:10.1149/1.1566213

Electrochemical intercalation of lithium into graphite in room-temperature molten salt containing ethylene carbonate

Yasushi Katayama, Makoto Yukumoto, Takashi Miura

Department of Applied Chemistry

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72 Citations (Scopus)

Abstract

Electrochemical intercalation of lithium into graphite was investigated in trimethyl-n-hexylammonium bis(trifluoromethanesulfone)imide (TMHATFSI) room-temperature molten salt containing both lithium bis(trifiuoromethanesulfone)imide (LiTFSI) and ethylene carbonate (EC). The electrochemical intercalation of the organic cations into graphite occurred in TMHATFSI molten salt regardless of the presence of LiTFSI. The addition of EC 10 TMHATFSI molten salt with LiTFSI resulted in the electrochemical formation of the graphite intercalation compound of lithium, probably accompanied by the formation of a solid-electrolyte interface film, which prevents the intercalation of the organic cations.

Original language	English
Pages (from-to)	A96-A97
Journal	Electrochemical and Solid-State Letters
Volume	6
Issue number	5
DOIs	https://doi.org/10.1149/1.1566213
Publication status	Published - 2003 May 1

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ASJC Scopus subject areas

Chemical Engineering(all)
Materials Science(all)
Physical and Theoretical Chemistry
Electrochemistry
Electrical and Electronic Engineering

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Katayama, Y., Yukumoto, M., & Miura, T. (2003). Electrochemical intercalation of lithium into graphite in room-temperature molten salt containing ethylene carbonate. Electrochemical and Solid-State Letters, 6(5), A96-A97. https://doi.org/10.1149/1.1566213

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10.1149/1.1566213