Patent application number | Description | Published |
20110177938 | PROCESS FOR THE CONTINUOUS PRODUCTION OF A CATALYST - The invention relates to a process for the continuous production of a catalyst comprising an alloy of a metal of the platinum group and at least a second metal as alloying metal selected from among the metals of the platinum group and the transition metals, in which a catalyst comprising the metal of the platinum group is mixed with at least one complex each comprising the alloying metal to give an alloy precursor and the alloy precursor is heated in a continuously operated furnace to produce the alloy. | 07-21-2011 |
20110195347 | PROCESS FOR PRODUCING A CATALYST AND CATALYST - The invention relates to a process for producing a catalyst, where the catalyst comprises a catalytically active material and a carbon-comprising support, in which the carbon-comprising support is impregnated with a metal salt solution in a first step, the carbon-comprising support impregnated with the metal salt solution is subsequently heated to a temperature of at least 1500° C. in an inert atmosphere to form a metal carbide layer and the catalytically active material is finally applied to the carbon-comprising support provided with the metal carbide layer. The invention further provides a catalyst which has been produced by the process and comprises a carbon-comprising support and a catalytically active material, with the carbon-comprising support having a metal carbide layer and the catalytically active material having been applied to the carbon-comprising support provided with the metal carbide layer. | 08-11-2011 |
20120065052 | PROCESS FOR PRODUCING A CARBON-COMPRISING SUPPORT - The invention relates to a process for producing a surface-modified carbon-comprising support, which comprises the following steps:
| 03-15-2012 |
20120094199 | CATALYST FOR ELECTROCHEMICAL APPLICATIONS - The invention relates to a catalyst for electro-chemical applications comprising an alloy of platinum and a transition metal, wherein the transition metal has an absorption edge similar to the absorption edge of the transition metal in oxidic state, measured with x-ray absorption near-edge spectroscopy (XANES) wherein the measurements are performed in concentrated H | 04-19-2012 |
20120100455 | CATALYST SUPPORT MATERIAL COMPRISING POLYAZOLE SALT, ELECTROCHEMICAL CATALYST, AND THE PREPARATION OF A GAS DIFFUSION ELECTRODE AND A MEMBRANE-ELECTRODE ASSEMBLY THEREFROM - A catalyst material comprising an electrically conducting support material, a proton-conducting, acid-doped polymer based on a polyazole salt, and a catalytically active material. A process for preparing the catalyst material. A catalyst material prepared by the process of the invention. A catalyst ink comprising the catalyst material of the invention and a solvent. A catalyst-coated membrane (CCM) comprising a polymer electrolyte membrane and also catalytically active layers comprising a catalyst material of the present invention. A gas diffusion electrode (GDE) comprising a gas diffusion layer and a catalytically active layer comprising a catalyst material of the invention. A membrane-electrode assembly (MEA) comprising a polymer electrolyte membrane, catalytically active layers comprising a catalyst material of the invention, and gas diffusion layers. And a fuel cell comprising a membrane-electrode assembly of the present invention. | 04-26-2012 |
20120100457 | CATALYST SUPPORT MATERIAL COMPRISING POLYAZOLE, ELECTROCHEMICAL CATALYST, AND THE PREPARATION OF A GAS DIFFUSION ELECTRODE AND A MEMBRANE-ELECTRODE ASSEMBLY THEREFROM - A process for preparing a catalyst material comprising an electrically conducting support material, a proton-conducting, polyazole-based polymer and a catalytically active material. A catalyst material prepared by the process of the invention. A catalyst ink comprising a catalyst material of the invention and a solvent. A catalyst-coated membrane (CCM) comprising a polymer electrolyte membrane and also catalytically active layers comprising a catalyst material of the present invention. A gas diffusion electrode (GDE) comprising a gas diffusion layer and a catalytically active layer comprising a catalyst material of the invention. A membrane-electrode assembly (MEA) comprising a polymer electrolyte membrane, catalytically active layers comprising a catalyst material of the invention, and gas diffusion layers. And a fuel cell comprising a membrane-electrode assembly of the present invention. | 04-26-2012 |
20120129686 | CATALYST FOR ELECTROCHEMICAL REACTIONS - Catalyst comprising a support and a catalytically active material for use as heterogeneous catalyst for electrochemical reactions, wherein the support is a carbon support having a BET surface area of less than 50 m | 05-24-2012 |
20120178018 | CATALYST WITH METAL OXIDE DOPING FOR FUEL CELLS - The invention relates to a catalyst for fuel cells which comprises a support, at least one catalytically active metal from the platinum group or an alloy comprising at least one metal of the platinum group and also at least one oxide of at least one metal selected from among Ti, Sn, Si, W, Mo, Zn, Ta, Nb, V, Cr and Zr. The invention further relates to a process for producing such a catalyst and its use. | 07-12-2012 |
20130116351 | PROCESS FOR PRODUCING A METHANATION CATALYST AND A PROCESS FOR THE METHANATION OF SYNTHESIS GAS - The present invention relates to a process for producing a catalyst for carrying out methanation reactions. The production of the catalyst is based on contacting of a hydrotalcite-comprising starting material with a fusible metal salt. The compounds brought into contact with one another are intimately mixed, thermally treated so that the metal salt fraction melts and subsequently subjected to a low-temperature calcination step and a high-temperature calcination step. The metal salt melt comprises at least one metal selected from the group consisting of K, La, Fe, Co, Ni, Cu and Ce, preferably Ni. The metal salt melt more preferably comprises/contains nickel nitrate hexahydrate. The hydrotalcite-comprising starting material is preferably hydrotalcite or a hydrotalcite-like compound as starting material, and the hydrotalcite-comprising starting material preferably comprises magnesium and aluminum as metal species. | 05-09-2013 |
20140065496 | GAS DIFFUSION ELECTRODES FOR RECHARGEABLE ELECTROCHEMICAL CELLS - The invention relates to gas diffusion electrodes for rechargeable electrochemical cells, which comprise at least one support material bearing at least one catalyst, wherein the support material comprises at least one compound selected from the group consisting of electrically conductive metal oxides, carbides, nitrides, borides, silicides and organic semiconductors. | 03-06-2014 |