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:
Feb. 14, 2017
Filed:
Jun. 22, 2011
Manufacturing method and manufacturing apparatus for gas diffusion layer of fuel cell, and fuel cell
Yuichi Gomi, Nishio, JP;
Katsuhide Kikuchi, Kariya, JP;
Hiroshi Fujitani, Toyota, JP;
Akito Kawasumi, Toyota, JP;
Junji Nakanishi, Kasugai, JP;
Kenji Tsubosaka, Susono, JP;
Yuichi Gomi, Nishio, JP;
Katsuhide Kikuchi, Kariya, JP;
Hiroshi Fujitani, Toyota, JP;
Akito Kawasumi, Toyota, JP;
Junji Nakanishi, Kasugai, JP;
Kenji Tsubosaka, Susono, JP;
NIPPON SOKEN, INC., Nishio, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota-Shi, JP;
Abstract
A method of manufacturing a fuel cell. An insulating member has a plurality of communication holes disposed on a side of a gas diffusion layer, which is formed by stacking a layer made of a carbon fiber and a water-repellent layer, where the water-repellent layer is provided. The gas diffusion layer and the insulating member are sandwiched by a pair of electrodes, and a pair of contact pressure plates are disposed on respective rear surfaces of the pair of electrodes so as to sandwich the pair of electrodes so that the gas diffusion layer is pressurized by the pair of contact pressure plates. When a voltage is applied to the pair of electrodes while maintaining the pressurized state, the protrusion portion of the carbon fiber is burned and removed by Joule heat.