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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 12512459 B1

PDFFull Text
Date of Patent:
Dec. 30, 2025

Filed:

Sep. 14, 2021

Positive electrode active material for nonaqueous electrolyte secondary batteries, and nonaqueous electrolyte secondary battery

Applicant:

Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;

Inventors:

Ryuichi Natsui, Osaka, JP;

Junko Matsushita, Osaka, JP;

Mitsuhiro Hibino, Kyoto, JP;

Kensuke Nakura, Osaka, JP;

Assignee:

PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD., Osaka, JP;

Attorney:

WHDA, LLP

Primary Examiner:

Laura Weiner

Int. Cl.
CPC ...
H01M 4/1315 (2010.01); C01G 53/50 (2025.01); H01M 4/131 (2010.01); H01M 4/485 (2010.01); H01M 4/505 (2010.01); H01M 4/525 (2010.01); H01M 10/0525 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/1315 (2013.01); C01G 53/50 (2013.01); H01M 4/131 (2013.01); H01M 4/485 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 10/0525 (2013.01); C01P 2002/52 (2013.01); C01P 2006/40 (2013.01); H01M 2004/028 (2013.01);
Abstract

This positive electrode active material for nonaqueous electrolyte secondary batteries contains a lithium transition metal composite oxide that is represented by composition formula LiMnNiPMOF(wherein M represents at least one element that is selected from among Ti, Co, Si, Sr, Nb, W, Mo, Ca, Mg, Sb, Na, B, V, Cr, Fe, Cu, Zn, Ge, Zr, Ru, K and Bi; 1.0<x≤1.2; 0.4≤y≤0.8; 0≤z≤0.4; 0<a<0.01; 0<b<0.05; 0<c<0.1; and (x+y+z+a+b)≤2).

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Natsui, Ryuichi. (2025). Positive electrode active material for nonaqueous electrolyte secondary batteries, and nonaqueous electrolyte secondary battery (U.S. Patent No. 12512459). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12512459

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