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:
Mar. 18, 2025

Filed:

Jul. 28, 2020
Applicants:

Panasonic Corporation, Kadoma, JP;

Sanyo Electric Co., Ltd., Daito, JP;

Inventors:

Katsuya Inoue, Hyogo, JP;

Takeshi Ogasawara, Osaka, JP;

Yoshinori Aoki, Osaka, JP;

Shun Nomura, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/525 (2010.01); H01M 4/02 (2006.01); H01M 4/36 (2006.01); H01M 4/505 (2010.01);
U.S. Cl.
CPC ...
H01M 4/525 (2013.01); H01M 4/366 (2013.01); H01M 4/505 (2013.01); H01M 2004/028 (2013.01);
Abstract

This positive electrode active material for nonaqueous electrolyte secondary batteries comprises a lithium-transition metal composite oxide and a surface modification layer. The lithium transition metal composite oxide contains at least Al and 80 mol % or more Ni with reference to the total number of moles of metal elements excluding Li, and the surface modification layer contains at least Sr and is formed on the surface of primary particles of the lithium-transition metal composite oxide.


Find Patent Forward Citations

Inoue, Katsuya. (2025). Positive electrode active material for nonaqueous electrolyte secondary batteries, and nonaqueous electrolyte secondary battery (U.S. Patent No. 12255329). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12255329

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

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