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.:

US 8951693 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 10, 2015

Filed:

Sep. 28, 2012
Applicant:

Eneos Celltech Co., Ltd., Ora-gun, JP;

Inventors:

Hirofumi Takami, Ora-gun, JP;

Shigeru Sakamoto, Ora-gun, JP;

Assignee:

JX Nippon Oil & Energy Corporation, Chiyoda-Ku, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/86 (2006.01); H01M 8/10 (2006.01); H01M 8/02 (2006.01); H01M 4/04 (2006.01); H01M 4/96 (2006.01); H01M 4/92 (2006.01);
U.S. Cl.
CPC ...
H01M 4/86 (2013.01); H01M 4/0416 (2013.01); H01M 4/96 (2013.01); H01M 4/92 (2013.01); H01M 8/1004 (2013.01); Y02E 60/521 (2013.01); H01M 8/10 (2013.01); H01M 8/02 (2013.01);
Abstract

There is provided a membrane electrode assembly including an anode gas diffusion layer included in an anode and a cathode gas diffusion layer included in a cathode, wherein the anode gas diffusion layer includes an anode gas diffusion substrate and an anode microporous layer disposed on a first surface of the anode gas diffusion substrate, wherein the cathode gas diffusion layer includes a cathode gas diffusion substrate and a cathode microporous layer disposed on a first surface of the cathode gas diffusion substrate, and wherein at least one of a strike-through ratio on a second surface of the anode gas diffusion substrate and a strike-through ratio on a second surface of the cathode gas diffusion substrate is larger than 0.2%.


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Takami, Hirofumi. (2015). Membrane electrode assembly and fuel cell (U.S. Patent No. 8951693). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8951693

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