Otsuka Chemical Co., Ltd.

Stella Chemifa Corporation

Other

Hiroaki Tokuda

Tetsuo Nishida

Kazutaka Hirano

Akihiro Nabeshima

Megumi Tomisaki

Akinori Oka

Yasutaka Tashiro

Kenji Sato

Masashi Yamamoto

Takashi Higono

Daisuke Nohara

Yoshinobu Abe

Jingo Shirasaka

Ken Sonogi

Hitoshi Tsurumaru

Megumi Tornisaki

A quaternary ammonium salt of the formula (1), a composition containing the quaternary ammonium salt and an organic solvent, and an electrochemical device using the salt wherein Rand Rare both methyl and Xis BFor N(CFSO).

Quaternary ammonium salt and composition, and electrochemical device

A quaternary ammonium salt of the formula (1) wherein Ris straight-chain or branched alkyl having 1 to 4 carbon atoms, Ris straight-chain or branched alkyl having 1 to 3 carbon atoms, and Xis CFCO, CFSOBF, ClBF, AlF&#x2014;, CFBF, CFBF&#x2014;, N(SOF), PF, AsF&#x2014; or SbF.

Quaternary ammonium salt, electrolyte, electrolyte, solution and electrochemical device

A quaternary ammonium salt of the formula (1), electrolytic solution and electrochemical device using the salt wherein Ris straight-chain or branched alkyl having 1 to 4 carbon atoms, Ris straight-chain or branched alkyl having 1 to 3 carbon atoms, and Xis N(CN), SCN, NO, NCOor NO.

Quaternary ammonium salt, electrolyte, electrolyte solution and electrochemical device

A quaternary ammonium salt of the formula (1), electrolytic solution and electrochemical device using the salt wherein Ris straight-chain or branched alkyl having 1 to 4 carbon atoms, Ris methyl or ethyl, and Xis a fluorine-containing anion.

Quaternary ammonium salt, electrolyte, and electrochemical device

An electrolytic solution for use in nonaqueous electrolytic lithium secondary cells which contains a room temperature molten salt, i.e., an aliphatic quaternary ammonium salt of the formula (1), an organic solvent and a lithium salt of the formula (2), the electrolytic solution being characterized in that the organic solvent contains vinylene carbonate in an amount of 1 to 5 wt. % based on the electrolytic solution, and a lithium secondary cell using the electrolytic solution wherein Rto Rare each a chain hydrocarbon having 1 to 4 carbon atoms, Ris methoxymethyl, ethoxymethyl, propoxymethyl or isopropoxymethyl, and Xand Xare each a fluorine-containing anion.

Electrolyte solution and nonaqueous electrolyte lithium secondary battery

Rubber composition

Growing community of inventors

Tokushima, Japan

Hiroaki Tokuda