About 17 results
https://drivepatents.com/patents/984776 · 26 Jun 2013
An electrocatalyst comprises a catalytic active species and an electroconductive support. The electroconductive support is multi-component support material containing inorganic oxide (1) having specific surface area of 50-400 m 2>/g and conductive oxide (2...
https://drivepatents.com/patents/984773 · 26 Jun 2013
The invention is directed to precious metal oxide catalysts, particularly to iridium oxide based catalysts for use as anode catalysts in PEM water electrolysis and other applications. The composite catalyst materials comprise iridium oxide (IrO 2 ) and opt...
https://drivepatents.com/patents/1072137 · 30 Nov 2005
A membrane-electrode unit for direct methanol fuel cells, containing an ion-conducting membrane, anode and cathode electrode layers, anode backing(s) and cathode backing(s), in which the anode backing shows a lower water-tightness (WD-A) than the cathode b...
https://drivepatents.com/patents/1072243 · 30 Nov 2005
Removing nitrogen oxides from the lean exhaust gas of an internal combustion engine by passing the gas through a nitrogen oxide storage catalyst and periodically denitrogenating the catalyst by enriching the exhaust gas comprises using an engine control un...
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/1081173 · 29 Dec 2004
The method involves using ink containing catalyzer and maintaining a connection of the polymer electrolyte membrane with at least one protective foil during all stages of the process. The process is continuously operated and both the polymer electrolyte me...
Process and apparatus for catalytic conversion of hydrocarbons for generating a gas rich in hydrogen
https://drivepatents.com/patents/1081734 · 8 Dec 2004
The present invention relates to the catalytic conversion of hydrocarbons for generating a gas that is rich in hydrogen, to the use of said apparatus and to a process for generating hydrogen. The apparatus comprises a reforming catalyst (5), as well as a m...
https://drivepatents.com/patents/1082363 · 17 Nov 2004
Heat treatment is applied, in the presence of an inorganic additive.
https://drivepatents.com/patents/1085777 · 7 Jul 2004
Gas distributor substrate (11) contains a porous support material and catalyst particles (12) which are distributed uniformly over the whole volume of the substrate. Independent claims are also included for the following: (1) production of the gas distribu...
https://drivepatents.com/patents/1088479 · 31 Mar 2004
A catalyst-coated membrane comprises an ionomer membrane (1) having two surfaces, each has an active area coated with a catalyst layer and a passive area; and protective film layer(s) (3) attached to each of the two surfaces of the catalyst-coated membrane...