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:
Jul. 13, 2021
Filed:
Sep. 27, 2016
Nippon Kodoshi Corporation, Kochi, JP;
Atsushi Igawa, Kochi, JP;
Takumi Ichimura, Kochi, JP;
Gaku Matsuoka, Kochi, JP;
Norihiro Wada, Kochi, JP;
NIPPON KODOSHI CORPORATION, Kochi, JP;
Abstract
Provided is a separator for an electrochemical element having exceptional strength and shielding performance, a small thickness, and low resistance. A separator for an electrochemical element interposed between a pair of electrodes and capable of holding an electrolytic solution containing an electrolyte, wherein the separator for an electrochemical element comprises a regenerated cellulose fiber having an average fiber length of 0.25-0.80 mm and an average fiber width of 3-35 μm, and in which the value calculated by dividing the average fiber length by the average fiber width is 15-70.