Physical and Electrochemical Properties of Room Temperature Ionic Liquids Based on Quaternary Phosphonium Cations

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概要

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• Room temperature ionic liquids based on tri-n-butylalkylphosphonium cations were physically and electrochemically characterized. Bis(trifluoromethylsulfonyl)imide-based phosphonium ionic liquids exhibited relatively low viscosities. Tri-n-butyloctylphosphonium cation gave low melting salts together with a wide variety of anions. Most phosphonium ionic liquids were thermally stable up to nearly 400°C. Linear sweep voltammetry showed that potential windows of bis(trifluoromethylsulfonyl)imide-based phosphonium ionic liquids were at least 5.7 V when a glassy carbon electrode was used. In cyclic voltammetric measurement, the redox response of Li in a phosphonium ionic liquid was observed.

• 公益社団法人 電気化学会の論文

著者

• Sugiya Masashi

  Organic Chemicals R & D Department Nippon Chemical Industrial Co. Ltd.

• Tsunashima Katsuhiko

  Organic Chemicals R & D Department Nippon Chemical Industrial Co. Ltd.

• TSUNASHIMA Katsuhiko

  Organic Chemicals R&D Department, Nippon Chemical Industrial Co., Ltd.

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• Physical and Electrochemical Properties of Room Temperature Ionic Liquids Based on Quaternary Phosphonium Cations

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