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. 18, 2020
Filed:
Sep. 27, 2016
Nippon Kodoshi Corporation, Kochi-shi, JP;
Takumi Ichimura, Kochi, JP;
Norihiro Wada, Kochi, JP;
Gaku Matsuoka, Kochi, JP;
Atsushi Igawa, Kochi, JP;
NIPPON KODOSHI CORPORATION, Kochi-shi, JP;
Abstract
Provided is a separator for an electrochemical device, the separator having excellent denseness, resistance, and wettability by electrolytic solutions. A separator for an electrochemical device, the separator being interposed between a pair of electrodes and being capable of holding an electrolytic solution containing an electrolyte, wherein the separator for an electrochemical device comprises solvent-spun regenerated cellulose fibers in which the core portion has an average fiber diameter of 1-11 μm, the separator having a thickness of from 5 to 100 μm, a density of from 0.25 to 0.9 g/cm, and a curvature rate of from 1.5 to 15.