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:
Nov. 18, 2014
Filed:
Jan. 07, 2011
Applicant:
Hidemi Kato, Tokyo, JP;
Inventor:
Hidemi Kato, Tokyo, JP;
Assignee:
Kabushikikaisha Equos Research, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/10 (2006.01); H01M 4/88 (2006.01); H01M 4/92 (2006.01);
U.S. Cl.
CPC ...
H01M 4/8807 (2013.01); Y02E 60/522 (2013.01); H01M 2008/1095 (2013.01); Y02E 60/50 (2013.01); H01M 4/926 (2013.01);
Abstract
An apparatus for production of a fuel cell catalyst layer forming a catalyst layer by a catalyst paste, the apparatus including a device for removal of water to obtain a polyelectrolyte solution by reducing, to a predetermined value or less, the concentration of water in a pre-solution in which a polyelectrolyte having a side chain including a hydrophilic functional group is dissolved in a solvent; and an agitator means for obtaining the catalyst paste by mixing a pre-paste obtained by mixing a catalyst with water and the polyelectrolyte solution.