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:
Aug. 30, 2016
Filed:
Dec. 20, 2011
Nobuaki Nonoyama, Susono, JP;
Masanori Aimu, Susono, JP;
Randal Lewis Perry, Hockessin, DE (US);
Mark Gerrit Roelofs, Earleville, MD (US);
Robert Clayton Wheland, Wilmington, DE (US);
Ralph Munson Aten, Chadds Ford, PA (US);
Nobuaki Nonoyama, Susono, JP;
Masanori Aimu, Susono, JP;
Randal Lewis Perry, Hockessin, DE (US);
Mark Gerrit Roelofs, Earleville, MD (US);
Robert Clayton Wheland, Wilmington, DE (US);
Ralph Munson Aten, Chadds Ford, PA (US);
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota-Shi, JP;
E.I. DUPONT DE NEMOURS AND COMPANY, Wilmington, DE (US);
Abstract
A cathode catalyst layer used for a polymer electrolyte fuel cell that includes an electrolyte membrane is provided. The cathode catalyst layer comprises a catalyst having weight of not greater than 0.3 mg/cmof a reaction surface of the cathode catalyst layer that is adjoining the electrolyte membrane; and an electrolyte resin having oxygen permeability of not less than 2.2*10mol/m/s/Pa in an environment of temperature of 80 degrees Celsius and relative humidity of 50%.