Lithium ion conductive substance, lithium ion conductive solid electrolyte using the lithium ion conductive substance, protective layer for an electrode of a lithium ion battery, and method for manufacturing the lithium ion conductive substance

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United States of America Patent

PATENT NO 9997270
SERIAL NO

14841800

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Abstract

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A lithium ion conductive substance is provided that is characterized by containing a compound wherein a composite oxide represented by Li1+x+yAlxTi2−xSiyP3−yO12 (0≤x≤1 and 0≤y≤1) is doped with at least one kind of element selected from Zr, Hf, Y, and Sm. Furthermore, a method for manufacturing the lithium ion conductive substance is provided that includes the following steps: (a) a step of forming an inorganic substance that contains predetermined quantities of a Li component, an Al component, a Ti component, a Si component, and a P component, into a sheet shape, and (b) a step of interposing between materials that contain at least one kind of element selected from Zr, Hf, Y, and Sm, and sintering, a sheet-shaped formed body obtained at step (a).

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Patent Owner(s)

  • NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fujishiro, Yoshinobu Aichi, JP 15 105
Hamamoto, Koichi Aichi, JP 28 42
Matveev, Danila Victorovich Aichi, JP 2 2

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