Sulfide-based solid electrolyte for lithium secondary battery

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United States of America Patent

PATENT NO 11699809
APP PUB NO 20190312304A1
SERIAL NO

16309136

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Abstract

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Provided is a sulfide-based solid electrolyte which is capable of suppressing the generation of hydrogen sulfide caused by reaction with moisture even when in contact with dry air in a dry room or the like, and capable of maintaining lithium ion conductivity. Proposed is a sulfide-based solid electrolyte for a lithium secondary battery, wherein the surface of a compound containing lithium, phosphorus, sulfur, and halogen, and having a cubic argyrodite-type crystal structure is coated with a compound containing lithium, phosphorus, and sulfur, and having a non-argyrodite-type crystal structure.

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Patent Owner(s)

  • MITSUI MINING & SMELTING CO., LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chikumoto, Takashi Ageo, JP 13 156
Ide, Hitohiko Ageo, JP 24 164
Ito, Takahiro Ageo, JP 198 1631
Miyashita, Norihiko Ageo, JP 18 192
Muranaka, Takashi Ageo, JP 1 14
Uesugi, Hideo Ageo, JP 5 19

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