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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 12482823 B1

PDFFull Text
Date of Patent:
Nov. 25, 2025

Filed:

Mar. 30, 2022

Conductive material liquid dispersion, positive electrode slurry for nonaqueous electrolyte secondary battery, positive electrode for nonaqueous electrolyte secondary battery, and nonaqueous electrolyte secondary battery

Applicant:

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

Inventors:

Kosuke Kuroda, Osaka Fu, JP;

Youichirou Uka, Hyogo Ken, JP;

Koh Masahara, Hyogo Ken, JP;

Tomohiro Harada, Osaka Fu, JP;

Rina Yamamoto, Hyogo Ken, JP;

Assignee:

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

Attorney:

WHDA, LLP

Primary Examiner:

Mark Kopec

Int. Cl.
CPC ...
H01B 1/20 (2006.01); C09D 5/24 (2006.01); C09D 7/40 (2018.01); C09D 7/45 (2018.01); C09D 7/61 (2018.01); C09D 7/65 (2018.01); C09D 139/06 (2006.01); H01M 4/131 (2010.01); H01M 4/525 (2010.01); H01M 4/62 (2006.01);
U.S. Cl.
CPC ...
H01M 4/622 (2013.01); C09D 5/24 (2013.01); C09D 7/45 (2018.01); C09D 7/61 (2018.01); C09D 7/65 (2018.01); C09D 7/70 (2018.01); C09D 139/06 (2013.01); H01B 1/20 (2013.01); H01M 4/131 (2013.01); H01M 4/525 (2013.01); H01M 4/625 (2013.01);
Abstract

A disclosed conductive material dispersion liquid includes a conductive material including carbon nanotubes, dispersants, and a polar aprotic solvent. The dispersants include a polyvinylpyrrolidone-based compound and a cellulose derivative.

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Quick Actions:

Kuroda, Kosuke. (2025). Conductive material liquid dispersion, positive electrode slurry for nonaqueous electrolyte secondary battery, positive electrode for nonaqueous electrolyte secondary battery, and nonaqueous electrolyte secondary battery (U.S. Patent No. 12482823). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12482823

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