Nec Corporation

Mika Horie

Katsumi Maeda

Shizuka Sato

A nonaqueous electrolytic solution comprising a cyclobutenedione derivative represented by the following general formula (1): wherein Rrepresents an organic group having a carbon-carbon double bond or a carbon-carbon triple bond in its structure, and Rrepresents an alkyl group having 1-6 carbon atoms, an alkoxy group having 1-6 carbon atoms, a thioalkyl group having 1-6 carbon atoms, a substituted or unsubstituted thioaryl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group.

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Tokyo, Japan

Mika Horie