About 14 results
https://drivepatents.com/patents/1381861 · 30 Apr 2026
Aspects of the disclosure include a membrane-electrode-assembly (MEA) with a trimmed proton-consuming electrode. An exemplary vehicle includes an electric motor, a battery, and a proton exchange membrane electrochemical cell. The electrochemical cell inclu...
https://drivepatents.com/patents/953500 · 17 Feb 2016
A manufacturing method of porous layer comprises: drying a mixed solution containing conductive carbon powder and water-repellent resin powder by a spray-drying method, so as to produce a powdery substance including the conductive carbon powder coated with...
https://drivepatents.com/patents/983000 · 23 Oct 2013
According to a method for producing a catalyst-coated membrane in the present invention, in order to prevent a polymer electrolyte membrane 1 from being curled when catalyst ink is dried to forma catalyst layer 4a, a membrane-shape retaining film-assembly ...
https://drivepatents.com/patents/994142 · 9 Jan 2013
Provided are a solid electrolyte membrane useful in achieving strong electromotive force in a fuel battery, and a fuel battery cell produced with this membrane. The solid electrolyte membrane includes a substrate made of a sheet material and having a plura...
https://drivepatents.com/patents/995002 · 19 Dec 2012
In order to further suppress the occurrence of wrinkles and pinholes in a polymer electrolyte membrane, a manufacturing method for a catalyst-coated membrane assembly according to the present invention includes a preliminary drying process in which a catal...
https://drivepatents.com/patents/1067862 · 3 May 2006
The present invention provides a fuel cell, which enables to reduce production cost and has excellent cell characteristics. The fuel cell comprises a cell element 20, in which a cathode layer 24 is formed on one side of an electrolyte membrane 22 and an an...
https://drivepatents.com/patents/1070299 · 8 Feb 2006
An apparatus for automated converting of a web of a thin patterned catalyst-coated membrane to separate membrane sheets for fuel cell assembly. The membrane typically has a thickness of about 2.5 thousandth of a centimeter. Automated web converting involve...
https://drivepatents.com/patents/1077493 · 1 Jun 2005
Ink (I) containing a catalyst, an ionomer and organic solvent, for the production of membrane-electrode units for polymer-electrolyte fuel cells, in which the solvent comprises mono- or poly-hydric alcohols, glycols, glycol ether-alcohols and/or glycol eth...
https://drivepatents.com/patents/1077758 · 18 May 2005
A method for coating an ion-exchange membrane with a catalyst layer by first heating a surface of the membrane to thereby soften the surface, followed by deposition of a catalyst composition and compaction into the ion-exchange membrane to produce a cataly...
Process for producing a coating film and process for producing a solid polymer electrolyte fuel cell
https://drivepatents.com/patents/1097151 · 2 Apr 2003
A process for producing a coating film consisting of a single coating layer or a plurality of coating layers laminated, which comprises a coating operation of relatively moving at least one of a die for discharging a coating liquid containing short fibrous...