Patent application number | Description | Published |
20090023828 | Porous Polymeric materials for Hydrogen storage - Porous polymers, tribenzohexazatriphenylene, poly-9,9′-spirobifluorene, poly-tetraphenyl methane and their derivatives for storage of H | 01-22-2009 |
20100167918 | ALIGNED CARBON NANOTUBE WITH ELECTRO-CATALYTIC ACTIVITY FOR OXYGEN REDUCTION REACTION - A catalyst for an electro-chemical oxygen reduction reaction (ORR) of a bundle of longitudinally aligned carbon nanotubes having a catalytically active transition metal incorporated longitudinally in said nanotubes. A method of making an electro-chemical catalyst for an oxygen reduction reaction (ORR) having a bundle of longitudinally aligned carbon nanotubes with a catalytically active transition metal incorporated throughout the nanotubes, where a substrate is in a first reaction zone, and a combination selected from one or more of a hydrocarbon and an organometallic compound containing an catalytically active transition metal and a nitrogen containing compound and an inert gas and a reducing gas is introduced into the first reaction zone which is maintained at a first reaction temperature for a time sufficient to vaporize material therein. The vaporized material is then introduced to a second reaction zone maintained at a second reaction temperature for a time sufficient to grow longitudinally aligned carbon nanotubes over the substrate with a catalytically active transition metal incorporated throughout the nanotubes. | 07-01-2010 |
20100233573 | METHOD OF FABRICATING ELECTRODE CATALYST LAYERS WITH DIRECTIONALLY ORIENTED CARBON SUPPORT FOR PROTON EXCHANGE MEMBRANE FUEL CELL - A membrane electrode assembly (MEA) of the invention comprises an anode and a cathode and a proton conductive membrane therebetween, the anode and the cathode each comprising a patterned sheet of longitudinally aligned transition metal-containing carbon nanotubes, wherein the carbon nanotubes are in contact with and are aligned generally perpendicular to the membrane, wherein a catalytically active transition metal is incorporated throughout the nanotubes. | 09-16-2010 |
20100285390 | CATALYTIC MEMBRANES FOR CO OXIDATION USED IN FUEL CELLS - A fuel cell of the present invention comprises a cathode and an anode, one or both of the anode and the cathode including a catalyst comprising a bundle of longitudinally aligned graphitic carbon nanotubes including a catalytically active transition metal incorporated longitudinally and atomically distributed throughout the graphitic carbon walls of said nanotubes. The nanotubes also include nitrogen atoms and/or ions chemically bonded to the graphitic carbon and to the transition metal. Preferably, the transition metal comprises at least one metal selected from the group consisting of Fe, Co, Ni, Mn, and Cr. | 11-11-2010 |
20110281719 | ELECTROCATALYSTS USING POROUS POLYMERS AND METHOD OF PREPARATION - A method of producing an electrocatalyst article using porous polymers. The method creates a porous polymer designed to receive transition metal groups disposed at ligation sites and activating the transition metals to form an electrocatalyst which can be used in a fuel cell. Electrocatalysts prepared by this method are also provided. A fuel cell which includes the electrocatalyst is also provided. | 11-17-2011 |
20120065289 | POROUS POLYMERIC MATERIALS FOR HYDROGEN STORAGE - A porous polymer, poly-9,9′-spirobifluorene and its derivatives for storage of H | 03-15-2012 |
20120077667 | NON-PLATINUM GROUP METAL ELECTROCATALYSTS USING METAL ORGANIC FRAMEWORK MATERIALS AND METHOD OF PREPARATION - A method of preparing a nitrogen containing electrode catalyst by converting a high surface area metal-organic framework (MOF) material free of platinum group metals that includes a transition metal, an organic ligand, and an organic solvent via a high temperature thermal treatment to form catalytic active sites in the MOF. At least a portion of the contained organic solvent may be replaced with a nitrogen containing organic solvent or an organometallic compound or a transition metal salt to enhance catalytic performance. The electrode catalysts may be used in various electrochemical systems, including a proton exchange membrane fuel cell. | 03-29-2012 |
20150180045 | NON-PLATINUM GROUP METAL ELECTROCATALYSTS USING METAL ORGANIC FRAMEWORK MATERIALS AND METHOD OF PREPARATION - A method of preparing a nitrogen containing electrode catalyst by converting a high surface area metal-organic framework (MOF) material free of platinum group metals that includes a transition metal, an organic ligand, and an organic solvent via a high temperature thermal treatment to form catalytic active sites in the MOF. At least a portion of the contained organic solvent may be replaced with a nitrogen containing organic solvent or an organometallic compound or a transition metal salt to enhance catalytic performance. The electrode catalysts may be used in various electrochemical systems, including an alkaline fuel cell. | 06-25-2015 |