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 12237505 B1

PDFFull Text
Date of Patent:
Feb. 25, 2025

Filed:

Jan. 26, 2017

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

Applicant:

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

Inventors:

Koh Masahara, Hyogo, JP;

Kaoru Nagata, Osaka, JP;

Takaya Tochio, Osaka, JP;

Taizou Sunano, Tokushima, JP;

Akihiro Kawakita, Hyogo, JP;

Takeshi Ogasawara, Hyogo, JP;

Assignee:

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

Attorney:

WHDA, LLP

Primary Examiner:

Nicholas P D'Aniello

Int. Cl.
CPC ...
H01M 4/00 (2006.01); C01G 53/42 (2025.01); H01M 4/36 (2006.01); H01M 4/525 (2010.01); H01M 10/0525 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/525 (2013.01); C01G 53/42 (2013.01); H01M 4/366 (2013.01); H01M 10/0525 (2013.01); C01P 2004/84 (2013.01); C01P 2006/40 (2013.01); H01M 2004/028 (2013.01);
Abstract

This positive electrode active material for non-aqueous electrolyte secondary batteries comprises: lithium transition metal oxide particles; a metal compound which contains a metal element M and adheres to the surfaces of the lithium transition metal oxide particles; and a lithium metal compound which contains lithium (Li) and the metal element M and adheres to the surfaces of the lithium transition metal oxide particles. In this connection, the metal element M is composed of at least one substance that is selected from among aluminum (Al), titanium (Ti), manganese (Mn), gallium (Ga), molybdenum (Mo), tin (Sn), tungsten (W) and bismuth (Bi).

Find Patent Forward Citations

Quick Actions:

Masahara, Koh. (2025). Positive electrode active material for nonaqueous electrolyte secondary batteries, method for producing positive electrode active material for nonaqueous electrolyte secondary batteries, and nonaqueous electrolyte secondary battery (U.S. Patent No. 12237505). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12237505

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

Loading…