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:
Jan. 14, 2020
Filed:
Dec. 08, 2016
Hyundai Motor Company, Seoul, KR;
Jongkil Oh, Yongin-si, KR;
Seongil Heo, Yongin-si, KR;
HYUNDAI MOTOR COMPANY, Seoul, KR;
Abstract
A fuel cell stack includes a membrane electrode assembly including a cathode and an anode which are catalyst layers and are formed on a first and a second surface, respectively, of an electrolyte membrane, a first separator disposed at one side of the membrane electrode assembly, and a second separator disposed at the other side of the membrane electrode assembly, wherein a gas path through which a gas is discharged from the cathode or the anode, or a gas is supplied to the cathode or the anode, is disposed between the second separator and the membrane electrode assembly and is formed in a non-reaction zone, and wherein the gas path includes a flow path expansion portion and a height of the flow path expansion portion is greater than a height of a reaction zone.