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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.

Patent No.:

US 12749676 B1

PDFFull Text
Date of Patent:
Sep. 29, 2026

Filed:

Oct. 04, 2021

Positive active material for energy storage device, positive electrode for energy storage device, energy storage device, and energy storage apparatus

Applicant:

Gs Yuasa International Ltd., Kyoto, JP;

Inventors:

Daisuke Endo, Kyoto, JP;

Shinya Otani, Kyoto, JP;

Satoshi Hoshino, Kyoto, JP;

Assignee:

GS Yuasa International Ltd., Kyoto, JP;

Attorney:

RANKIN, HILL & CLARK LLP

Primary Examiner:

Daniel S Gatewood

Int. Cl.
CPC ...
H01M 4/36 (2006.01); C01B 25/45 (2006.01); H01G 11/32 (2013.01); H01G 11/46 (2013.01); H01M 4/02 (2006.01); H01M 4/133 (2010.01); H01M 4/136 (2010.01); H01M 4/58 (2010.01); H01M 4/587 (2010.01);
U.S. Cl.
CPC ...
H01M 4/366 (2013.01); C01B 25/45 (2013.01); H01G 11/32 (2013.01); H01G 11/46 (2013.01); H01M 4/133 (2013.01); H01M 4/136 (2013.01); H01M 4/5825 (2013.01); H01M 4/587 (2013.01); C01P 2006/14 (2013.01); C01P 2006/40 (2013.01); H01M 2004/021 (2013.01); H01M 2004/028 (2013.01);
Abstract

In a positive active material for energy storage device according to an aspect of the present invention, at least part of a surface is coated with carbon, a ratio of full width at half maximum of a peak in a charged state to a peak in a discharged state is 0.85 or more and 1.13 or less in a peak corresponding to a (131) plane observed by powder X-ray diffraction using CuKα radiation, and the positive active material for energy storage device is a compound represented by the following Formula 1.LiFeMnPO(0≤x≤1)  1

Find Patent Forward Citations

Endo, Daisuke. (2026). Positive active material for energy storage device, positive electrode for energy storage device, energy storage device, and energy storage apparatus (U.S. Patent No. 12749676). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12749676

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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