| Patent application number | Description | Published |
|---|
| 20080314755 | LAYERED ELECTROCATALYST FOR OXIDATION OF AMMONIA AND ETHANOL - A layered electrocatalyst for oxidizing ammonia, ethanol, or combinations thereof, comprising: a carbon support integrated with a conductive metal; at least one first metal plating layer at least partially deposited on the carbon support, wherein the at least one first metal plating layer is active to OH adsorption and inactive to a target species, and wherein the at least one first metal plating layer has a thickness ranging from 10 nanometers to 10 microns; and at least one second metal plating layer at least partially deposited on the at least one first metal plating layer, wherein the at least one second metal plating layer is active to the target species, and wherein the at least one second metal plating layer has a thickness ranging from 10 nanometers to 10 microns, forming a layered electrocatalyst. | 12-25-2008 |
| 20080318097 | ELECTROCHEMICAL CELL FOR OXIDATION OF AMMONIA AND ETHANOL - An electrochemical cell for causing a reaction that produces hydrogen, the electrochemical cell comprising: a first electrode comprising: at least one layered electrocatalyst formed of at least one active metal layer deposited on a carbon support, wherein the at least one active metal layer is active to a target species; a second electrode comprising a conductor; a basic electrolyte; ammonia, ethanol, or combinations thereof; and electrical current in communication with the first electrode. | 12-25-2008 |
| 20090050489 | ELECTROCHEMICAL METHOD FOR PROVIDING HYDROGEN USING AMMONIA AND ETHANOL - An electrochemical method for providing hydrogen using ammonia, ethanol, or combinations thereof, comprising: forming an anode comprising a layered electrocatalyst, the layered electrocatalyst comprising at least one active metal layer deposited on a carbon support; providing a cathode comprising a conductor; disposing a basic electrolyte between the anode and the cathode; disposing a fuel within the basic electrolyte; and applying a current to the anode causing the oxidation of the fuel, forming hydrogen at the cathode. | 02-26-2009 |
| 20090081500 | FUEL CELL UTILIZING AMMONIA, ETHANOL OR COMBINATIONS THEREOF - An fuel cell utilizing ammonia, ethanol, or combinations thereof, comprising: a housing; an anode disposed within the housing, the anode comprising at least one layered electrocatalyst, wherein the at least one layered electrocatalyst comprises at least one active metal layer and at least one second metal layer deposited on a carbon support; a basic electrolyte disposed adjacent the anode; a cathode disposed adjacent the basic electrolyte, wherein the cathode comprises a conductor; and an oxidant in communication with the cathode for connecting with a power conditioner, a load, or combinations thereof, wherein the power conditioner, the load, or combinations thereof is in communication with the anode, which oxidizes the ammonia, ethanol, or combinations thereof, causing the fuel cell to form an electric current. | 03-26-2009 |
| 20090095636 | Electrolytic Cells and Methods for the Production of Ammonia and Hydrogen - A method using an electrolytic cell to electrolyze urea to produce at least one of H | 04-16-2009 |
| 20090127094 | ELECTRO-CATALYSTS FOR THE OXIDATION OF AMMONIA IN ALKALINE MEDIA - An electro-catalyst for the oxidation of ammonia in alkaline media; the electrocatalyst being a noble metal co-deposited on a support with one or more other metals that are active to ammonia oxidation. In some embodiments, the support is platinum, gold, tantalum, or iridium. In some embodiments, the support has a layer of Raney metal deposited thereon prior to the deposition of the catalyst. Also provided are electrodes having the electro-catalyst deposited thereon, ammonia electrolytic cells, ammonia fuel cells, ammonia sensors, and a method for removing ammonia contaminants from a contaminated effluent. | 05-21-2009 |
| 20100032320 | ELECTROCHEMICAL TECHNIQUE TO MEASURE CONCENTRATION OF MULTIVALENT CATIONS SIMULTANEOUSLY - Methods and systems for simultaneously measuring concentration of two or more different cations in solution. The methods include the steps of applying a steady state polarization technique to a solution comprising two or more different cations; measuring the limiting currents of the solution; and correlating the limiting currents with the concentration of the different cations. The system includes a working electrode; a potentiostat; a counter electrode; a reference electrode; a solution comprising different cations to be analyzed; and a model for correlating the limiting currents with the concentration of the pair cations. The working electrode may be any electrode compatible with the media, including noble metals, carbon, or combinations thereof. In some embodiments, the working electrode is a rotating disk electrode (RDE). | 02-11-2010 |
| 20100247420 | Pretreatment Method for the Synthesis of Carbon Nanotubes and Carbon Nanostructures from Coal and Carbon Chars - Carbon nanostructures such as multiwalled carbon nanotubes are formed from electrolyzed coal char. The electrolyzed coal char is formed by forming a slurry of coal particles, metal catalyst and water and subjecting this to electrolysis, which generates carbon dioxide and hydrogen. This forms a coating on the particles which includes metal catalysts. These particles can be used as is for formation of multi-walled carbon nanotubes using a pyrolysis method or other method without the addition of any catalyst. The gelatinous coating can be separated from the char and used as a fuel or as a carbon source to form carbon nanostructures. | 09-30-2010 |
| 20100252422 | CARBON FIBER-ELECTROCATALYSTS FOR THE OXIDATION OF AMMONIA AND ETHANOL IN ALKALINE MEDIA AND THEIR APPLICATION TO HYDROGEN PRODUCTION, FUEL CELLS, AND PURIFICATION PROCESSES - Electrocatalysts useful for the oxidation of ammonia and ethanol in alkaline media. The electrocatalysts include a carbon support, a first plating layer having a strong affinity for OH, and a second plating layer having a strong affinity for oxidation of ammonia or ethanol. The carbon support may be selected from such materials as carbon fibers, carbon tubes, carbon microtubes, and carbon microspheres. The first plating layer is selected from rhodium, ruthenium, nickel and palladium and combinations thereof. The second plating layer is selected from platinum, indium, and combinations thereof. Also provided are electrolytic cells for the production of hydrogen including one or more electrocatalysts described herein, a basic electrolyte, and ammonia or ethanol. Also provided are ammonia fuel cells and ethanol fuel cells utilizing the electrocatalysts described herein. | 10-07-2010 |
