CAPACITOR AND CAPACITOR MODULE

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United States of America Patent

APP PUB NO 20170287651A1
SERIAL NO

15124503

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An object of the present invention is to provide a capacitor and a capacitor module having a long life and capable of a stable action. Therefore, an electrolytic solution L obtained by dissolving an electrolyte salt having a lower hydrolyzability and a higher reaction potential in an electrode than an amidine salt containing a cation which is an imidazolium in a solvent and a sub solvent that reduces resistance of the electrolytic solution is packed in a cell. The electrolyte salt is a quaternary ammonium salt, the solvent is propylene carbonate, and the sub solvent is dimethyl carbonate. The quaternary ammonium salt is triethylmethylammonium tetrafluoroborate or azacyclobutane-1-spiro-1′-azacyclobutyl tetrafluoroborate. A pressure regulating valve 6 for regulating an inner pressure in the cell is disposed. A portion of the electrolytic solution L to be vaporized during use is packed in the cell as an excessive electrolytic solution in advance.

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Patent Owner(s)

Patent OwnerAddress
KOMATSU LTDMINATO-KU TOKYO 107-8414

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Endou, Takayoshi Tokyo, JP 4 35
Itou, Yutaka Tokyo, JP 31 229
Maeda, Koji Tokyo, JP 132 1231
Okumura, Takuji Tokyo, JP 14 78
Sakuma, Go Tokyo, JP 1 0
Souda, Akihiko Tokyo, JP 10 38

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