In-situ optical microscope morphology observation of lithium electrodeposited in room temperature ionic liquids containing aliphatic quaternary ammonium cation

Hikaru Sano, Hikari Sakaebe, Hajime Matsumoto

研究成果: Contribution to journalArticle査読

11 被引用数 (Scopus)

抄録

The behavior of lithium (Li) electrodeposition in room temperature ionic liquids (RTILs) containing aliphatic quaternary ammonium cation was investigated by in-situ optical microscope observation. As a result, round shape Li deposits were obtained after deposition in all cases with vinylene carbonate (VC) as an additive, while most deposits were dendritic without VC. AC impedance spectroscopic measurements indicated that the dendrite growth was suppressed when a surface film with large resistance was generated. The dendrite suppression effect by VC addition was confirmed in the Pyl4[TFSA]-based and TMHA[TFSA]-based electrolytes as well as in the PP13[TFSA]-based electrolyte.

本文言語英語
ページ(範囲)777-779
ページ数3
ジャーナルElectrochemistry
80
10
DOI
出版ステータス出版済み - 10 2012
外部発表はい

All Science Journal Classification (ASJC) codes

  • 電気化学

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