logo

For the Inventor, By the Inventor

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 12597604 B1

PDFFull Text
Date of Patent:
Apr. 07, 2026

Filed:

Aug. 25, 2020

Nonaqueous electrolyte secondary battery

Applicant:

Panasonic Corporation, Kadoma, JP;

Inventors:

Keiichi Takahashi, Hyogo, JP;

Fumiharu Niina, Hyogo, JP;

Shinya Suzuki, Hyogo, JP;

Assignee:

PANASONIC HOLDINGS CORPORATION, Osaka, JP;

Attorney:

WHDA, LLP

Primary Examiner:

Allison Bourke

Assistant Examiner:

Travis L. Martin

Int. Cl.
CPC ...
H01M 4/525 (2010.01); H01M 4/02 (2006.01); H01M 4/505 (2010.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 4/525 (2013.01); H01M 4/505 (2013.01); H01M 10/0525 (2013.01); H01M 2004/021 (2013.01); H01M 2004/028 (2013.01);
Abstract

A nonaqueous electrolyte secondary battery according to the present invention comprises a positive electrode that contains, as positive electrode active materials: a lithium transition metal composite oxide (A) that is configured of secondary particles, in each of which primary particles having an average particle diameter of 0.5 μm or more aggregate, or is configured of substantially one kind of particles, while having a volume-based D50 of from 0.6 μm to 3 μm; and a lithium transition metal composite oxide (B) that is configured of secondary particles, in each of which primary particles having an average particle diameter of 0.3 μm or less aggregate, while having a volume-based D50 of from 6 μm to 25 μm.

Find Patent Forward Citations

Takahashi, Keiichi. (2026). Nonaqueous electrolyte secondary battery (U.S. Patent No. 12597604). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12597604

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

Loading…