Diphosphorus pentasulfide composition for sulfide-based inorganic solid electrolyte material

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United States of America Patent

PATENT NO 12206067
APP PUB NO 20220085407A1
SERIAL NO

17598657

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Provided is a diphosphorus pentasulfide composition for a sulfide-based inorganic solid electrolyte material, in which a molar ratio (S/P) of a content of sulfur (S) to a content of phosphorus (P) is 2.40 or higher and 2.49 or lower. In the diphosphorus pentasulfide composition for a sulfide-based inorganic solid electrolyte material, in a DSC curve of the diphosphorus pentasulfide composition obtained by measurement using a differential scanning calorimeter under conditions of a start temperature of 25° C., a measured temperature range of 30° C. to 350° C., a temperature increase rate of 5° C./min, and an argon atmosphere with a flow rate of 100 ml per minute, an endothermic peak is shown in a temperature range of 280° C. or higher and 300° C. or lower, and a half-width of the endothermic peak is 4.1° C. or higher.

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Patent OwnerAddress
FURUKAWA CO LTD6-4 OTEMACHI 2-CHOME CHIYODA-KU TOKYO 1008370 ?1008370

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Matsubara, Tetsuya Tsukuba, JP 18 21
Tamura, Motoshi Tsukuba, JP 79 1292
Yamamoto, Kazutomi Tsukuba, JP 10 45
Yoshida, Tatsushi Tsukuba, JP 47 384

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