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:
May. 05, 2020
Filed:
Dec. 01, 2014
Applicants:
Asahi Kasei Kabushiki Kaisha, Tokyo, JP;
Daikin Industries, Ltd., Osaka-shi, Osaka, JP;
Inventors:
Yuichi Inoue, Tokyo, JP;
Kuon Miyazaki, Tokyo, JP;
Norihito Tanaka, Tokyo, JP;
Kentaro Kikuchi, Tokyo, JP;
Nobuki Uraoka, Settsu, JP;
Shinichi Chaen, Settsu, JP;
Tomohisa Konishi, Settsu, JP;
Tadashi Ino, Settsu, JP;
Assignees:
ASAHI KASEI KABUSHIKI KAISHA, Tokyo, JP;
DAIKIN INDUSTRIES, LTD., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/1004 (2016.01); H01M 8/1023 (2016.01); H01M 8/1027 (2016.01); H01M 8/1039 (2016.01); H01M 8/106 (2016.01); H01M 8/1062 (2016.01); H01M 8/1067 (2016.01); H01M 8/1018 (2016.01); H01B 1/12 (2006.01); C08F 214/26 (2006.01); C08F 216/14 (2006.01); C08J 5/22 (2006.01);
U.S. Cl.
CPC ...
H01M 8/1004 (2013.01); C08F 214/262 (2013.01); C08F 216/14 (2013.01); C08J 5/2237 (2013.01); H01B 1/122 (2013.01); H01M 8/106 (2013.01); H01M 8/1023 (2013.01); H01M 8/1027 (2013.01); H01M 8/1039 (2013.01); H01M 8/1062 (2013.01); C08F 2216/1483 (2013.01); C08J 2327/18 (2013.01); C08J 2427/12 (2013.01); C08J 2427/18 (2013.01); H01M 8/1067 (2013.01); H01M 2008/1095 (2013.01); H01M 2300/0082 (2013.01);
Abstract
The present invention provides a polymer electrolyte membrane having excellent strength, a small dimensional change, and a low membrane resistance. The polymer electrolyte membrane includes a porous film and a polymer electrolyte. The porous film has a fibril/node area ratio of 90/10 to 75/25.