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.:
Date of Patent:
Apr. 14, 2025
Filed:
Oct. 22, 2020
Applicants:
Artience Co., Ltd., Tokyo, JP;
Toyocolor Co., Ltd., Tokyo, JP;
Inventors:
Assignees:
artience Co., Ltd., Tokyo, JP;
TOYOCOLOR CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 9/00 (2005.12); C01B 32/174 (2016.12); H01M 4/62 (2005.12); H01M 4/02 (2005.12);
U.S. Cl.
CPC ...
H01M 4/625 (2012.12); C01B 32/174 (2017.07); H01M 4/622 (2012.12); C01B 2202/22 (2012.12); C01B 2202/32 (2012.12); C01B 2202/34 (2012.12); C01B 2202/36 (2012.12); C01P 2002/72 (2012.12); C01P 2002/82 (2012.12); H01M 2004/021 (2012.12); Y10T 428/30 (2015.01);
Abstract
A carbon nanotube dispersion liquid for nonaqueous electrolyte secondary battery is a carbon nanotube dispersion liquid containing carbon nanotubes, a dispersant and a solvent, and is characterized in satisfying (1) to (3) below: (1) the average outer diameter of the carbon nanotubes ranging from more than 3 nm to 25 nm; (2) the BET surface area of the carbon nanotubes ranging from 150 m/g to 800 m/g; and (3) the fiber length of the carbon nanotubes in the carbon nanotube dispersion liquid ranging from 0.8 μm to 3.5 μm.