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:
Mar. 15, 2022
Filed:
May. 27, 2020
Hyundai Motor Company, Seoul, KR;
Kia Motors Corporation, Seoul, KR;
HYUNDAI MOTOR COMPANY, Seoul, KR;
KIA MOTORS CORPORATION, Seoul, KR;
Abstract
Disclosed is a gas diffusion layer for a fuel cell that may be made thinner by integrally forming a base and a fine pore layer, and a method for manufacturing the same. A gas diffusion layer for a fuel cell which constitutes a unit cell of the fuel cell includes: a base layer formed by impregnating a first slurry, in which carbon powder and polytetrafluoroethylene (PTFE) are mixed, in the interior of a carbon fiber base; and a fine pore layer formed by coating a second slurry, in which carbon powder and polytetrafluoroethylene (PTFE) are mixed and which has a viscosity that is higher than the viscosity of the first slurry, on a surface of the base layer.