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. 21, 2019
Filed:
Mar. 17, 2015
Applicant:
Toray Industries, Inc., Tokyo, JP;
Inventors:
Assignee:
TORAY INDUSTRIES, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/86 (2006.01); H01M 4/88 (2006.01); H01M 4/96 (2006.01); H01M 8/0243 (2016.01); H01M 8/0245 (2016.01); H01M 8/1018 (2016.01);
U.S. Cl.
CPC ...
H01M 4/8605 (2013.01); H01M 4/8828 (2013.01); H01M 4/8885 (2013.01); H01M 4/96 (2013.01); H01M 8/0243 (2013.01); H01M 8/0245 (2013.01); H01M 2008/1095 (2013.01); H01M 2220/20 (2013.01); H01M 2250/20 (2013.01); Y02P 70/56 (2015.11);
Abstract
A gas diffusion electrode and a method for manufacturing the same, the gas diffusion electrode being used for a fuel cell and configured by forming a microporous layer containing conductive microparticles and water-repellent resin on at least one surface of a conductive porous base material, wherein the gas diffusibility in the thickness direction thereof is 30% or more, the conductive porous base material has a sliding angle of 70° or less and a porosity of 80% or more, and the microporous layer has a thickness of 10-50 μm inclusive, and a porosity of 60-95% inclusive.