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:
Aug. 17, 2021
Filed:
Feb. 18, 2019
Applicant:
Nippon Kodoshi Corporation, Kochi, JP;
Inventors:
Assignee:
NIPPON KODOSHI CORPORATION, Kochi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01G 11/52 (2013.01); H01G 11/22 (2013.01); H01G 11/58 (2013.01);
U.S. Cl.
CPC ...
H01G 11/52 (2013.01); H01G 11/22 (2013.01); H01G 11/58 (2013.01);
Abstract
A separator for an electrochemical element suitable extends the service life of an electrochemical element under high temperature conditions. This separator for an electrochemical element is disposed between a pair of electrodes and is for separating the two electrodes from each other and retaining an electrolytic solution, wherein the separator contains a cellulose-based fiber, and the limiting viscosity of the separator as measured by the measurement method specified in JIS P 8215 is in a range of 150-500 ml/g.