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:
Oct. 13, 2020
Filed:
Feb. 17, 2015
Toray Industries, Inc., Tokyo, JP;
Yasuaki Tanimura, Otsu, JP;
Masamichi Utsunomiya, Otsu, JP;
Toshiya Kamae, Otsu, JP;
Yasutaka Okano, Otsu, JP;
TORAY INDUSTRIES, INC., Tokyo, JP;
Abstract
A gas diffusion electrode substrate that is used in a fuel cell and is constituted by an electrode substrate and microporous parts, in which a microporous part (A) is formed on one surface of the electrode substrate with a thickness in the range of 10 μm or more and 60 μm or less, and in the gas diffusion electrode substrate, the pore volume of pores with a pore size of 0.1 μm or more and less than 10 μm is within the range of 0.9 times or more and 5 times or less of the pore volume of pores with a pore size of 10 μm or more and less than 100 μm.