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. 03, 2023
Filed:
Oct. 30, 2018
Toppan Printing Co., Ltd., Tokyo, JP;
Katsuyuki Kishi, Tokyo, JP;
TOPPAN PRINTING CO., LTD., Tokyo, JP;
Abstract
Provided are an electrode catalyst layer for a polymer electrolyte fuel cell, which is capable of improving drainage property and gas diffusion properties and capable of high output, and a polymer electrolyte fuel cell provided with the same. An electrode catalyst layer () bonded to a polymer electrolyte membrane () includes a catalyst (), carbon particles (), a polymer electrolyte () and fibrous material (), in which the electrode catalyst layer () has a density falling within a range of 500 mg/cmto 900 mg/cm, or has a density falling within a range of 400 mg/cmto 1000 mg/cm, and the mass of the polymer electrolyte () falls within a range of 10 mass % to 200 mass % with respect to the total mass of the carbon particles () and the fibrous material ().