Toyota Jidosha Kabushiki Kaisha

Tosoh Corporation

Nagoya Institute of Technology

Shuki Araki

Hirofumi Nakamoto

Makoto Watanabe

Tsunehisa Hirashita

Yasuo Butsugan

Masaru Uemura

Taishi Shiotsuki

Atsushi Shirasawa

Katsuyuki Kagami

An object of the present invention is to provide a liquid electrolyte for batteries, which has excellent ion conductivity, a method for producing the liquid electrolyte and a battery including the liquid electrolyte. Disclosed is a liquid electrolyte for batteries, comprising a mesoionic compound represented by the following general formula (1): wherein R1 and R2 are each independently an alkyl group having 1 to 3 carbon atoms.

Liquid electrolyte for batteries, method for producing the same, and battery comprising the same

The present invention is to provide: a liquid electrolyte for batteries, which has excellent stability to lithium metals; a method for producing the liquid electrolyte; and a lithium battery comprising the liquid electrolyte. Presented is a liquid electrolyte for lithium batteries, wherein the liquid electrolyte comprises a mesoionic compound represented by the following general formula (1): wherein Ris an aliphatic hydrocarbon group having 1 to 3 carbon atoms, and Ris a group represented by any one of the following general formulae (2), (3) and (4): General Formula (2): &#x2014;CH&#x2014;(OCH)&#x2014;CH; General Formula (3): &#x2014;CH&#x2014;(CHOCH)&#x2014;CH; and General Formula (4): &#x2014;CH&#x2014;(CHOCH)&#x2014;CH.

Liquid electrolyte for lithium batteries, method for producing the same, and lithium battery comprising the liquid electrolyte for lithium batteries

A ferrocene derivatives represented by the following formula (I): ##STR1## can be a useful ligand to metals with Lewis acidity and is used as a catalyst for asymmetric synthesis with good enantioselectivity. This ferrocene derivatives is synthesized from a novel haloferrocene derivative represented by formula (II) and the haloferrocene derivative is synthesized from a novel ferrocene derivative represented by formula (III).

Chiral amino-methyl ferrocene derivatives

A ferrocene derivatives represented by the following formula (I): ##STR1## can be a useful ligand to metals with Lewis acidity and is used as a catalyst for asymmetric synthesis with good enantioselectivety. This ferrocene derivatives is synthesized from a novel haloferrocene derivative represented by formula (II) and the haloferrocene derivative is synthesized from a novel ferrocene derivative represented by formula (III).

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Nagoya, Japan

Shuki Araki