The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 27, 2026

Filed:

May. 30, 2023
Applicants:

Toyota Jidosha Kabushiki Kaisha, Toyota, JP;

Panasonic Holdings Corporation, Kadoma, JP;

Inventors:

Shigeharu Takagi, Toyota, JP;

Mitsuhiro Murata, Kawanishi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/587 (2010.01); H01M 4/133 (2010.01); H01M 10/0525 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/587 (2013.01); H01M 4/133 (2013.01); H01M 10/0525 (2013.01); H01M 2004/027 (2013.01);
Abstract

A lithium-ion secondary battery of the present disclosure includes a cathode body layer, a separator layer, and an anode body layer in that order, wherein the anode body layer contains a solid electrolyte and an anode active material, and wherein the anode active material is graphite particles having a ratio of a crystallite size of a (004) plane to a crystallite size of a (110) plane (the crystallite size of the (004) plane/the crystallite size of the (110) plane) measured by X-ray crystal diffraction measurement using CuKα rays of 0.683 or more.


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Takagi, Shigeharu. (2026). Lithium-ion secondary battery including an anode body layer containing graphite particles having a crystallite size of a (004) plane to a crystallite size of a (110) plane of 0.683 or more (U.S. Patent No. 12776491). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12776491

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