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:
Jan. 23, 2024
Filed:
Sep. 22, 2022
Applicant:
Mitsubishi Paper Mills Limited, Tokyo, JP;
Inventors:
Assignee:
MITSUBISHI PAPER MILLS LIMITED, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 50/403 (2021.01); H01M 50/429 (2021.01); H01M 50/44 (2021.01); H01M 50/446 (2021.01); H01M 10/0525 (2010.01); H01M 50/443 (2021.01);
U.S. Cl.
CPC ...
H01M 50/403 (2021.01); H01M 10/0525 (2013.01); H01M 50/4295 (2021.01); H01M 50/44 (2021.01); H01M 50/443 (2021.01); H01M 50/446 (2021.01);
Abstract
A coating solution for lithium ion battery separators which comprises inorganic particles, an organic polymer binder and carboxymethyl cellulose having an etherification rate of 1.10 to 2.00 or a salt thereof, or a coating solution for lithium ion battery separators comprising inorganic particles containing magnesium hydroxide having a linseed oil absorption of 30 to 80 (g/100 g), and a separator having a coating layer formed from the coating solution on a substrate and high safety and low internal resistance.