Angstrom Power Incorporated Patent applications |
Patent application number | Title | Published |
20130136954 | FUEL CELL LAYER - MEAs are formed in regions corresponding to openings provided in a substrate. Each MEA includes an electrolyte membrane, an anode catalyst layer, and a cathode catalyst layer. The substrate has a first gas-impermeable region and a second gas-impermeable region between adjacent MEAs. A third gas-impermeable region is provided between the first gas-impermeable region and the second gas-impermeable region. The third gas-impermeable region having conductive property constitutes a part of interconnector. | 05-30-2013 |
20120148932 | FLUIDIC DISTRIBUTION SYSTEM AND RELATED METHODS - Embodiments of the present invention relate to a fluid distribution system. The system may include one or more electrochemical cell layers, a bulk distribution manifold having an inlet, a cell layer feeding manifold in direct fluidic contact with the electrochemical cell layer and a separation layer that separates the bulk distribution manifold from the cell feeding manifold, providing at least two independent paths for fluid to flow from the bulk distribution manifold to the cell feeding manifold. | 06-14-2012 |
20120058408 | COVERS FOR ELECTROCHEMICAL CELLS AND RELATED METHODS - Embodiments of the invention relate to an electrochemical cell system including a cover that affects reactant flow into an electrochemical cell array. | 03-08-2012 |
20120003568 | APPARATUS AND METHODS FOR CONNECTING FUEL CELLS TO AN EXTERNAL CIRCUIT - Various embodiments of the present invention provide a fuel cell connection component, including an interconnect or a current collector. The fuel cell connection component includes conductive fibers oriented at an angle of less than about 90° to at least one electrode in the fuel cell. The fuel cell connection component provides an electrically conductive pathway from the at least one electrode of the fuel cell to an external circuit or to an electrode of a different fuel cell. Embodiments of the present invention also provide fuel cells that include the fuel cell connection component, including fuel cell layers, and methods of making the same. | 01-05-2012 |
20110236785 | FUEL CELL LAYER, FUEL CELL SYSTEM AND METHOD FOR FABRICATING THE FUEL CELL LAYER - A fuel cell layer includes a plurality of membrane electrode assemblies disposed in a planar array arrangement and an interconnector for electrically coupling an anode catalyst layer of one of adjacent membrane electrode assemblies to a cathode catalyst layer of the other of the adjacent membrane electrode assemblies. Each membrane electrode assembly includes an electrolyte membrane, the anode catalyst layer provided on one face of the electrolyte member and the cathode catalyst layer provided on the other face of the electrolyte membrane in such a manner that at least part of which is disposed counter to the anode catalyst layer. The interconnector is formed of at least one of a material constituting the anode catalyst layer and a material constituting the cathode catalyst layer. | 09-29-2011 |
20110195336 | COMPOSITE MEMBRANE, FUEL CELL AND METHOD OF MAKING OF COMPOSITE MEMBRANE - A fuel cell includes membrane electrode assemblies disposed in a planar arrangement. Each membrane electrode assembly includes an electrolyte membrane, an anode catalyst layer, and a cathode catalyst layer disposed counter to the cathode catalyst via the electrolyte membrane. Interconnectors (conductive members) are provided on the lateral faces of the electrolyte membranes disposed counter to each another in the neighboring direction of the membrane electrode assemblies. Each interconnector includes a support portion protruding toward the central region of the electrolyte member on the cathode side of the electrolyte membrane. The support portion is in contact with the cathode-side surface of an edge of the electrolyte membrane, and the electrolyte membrane is held by the support portion. | 08-11-2011 |
20110165495 | APPARATUS AND METHODS FOR CONNECTING FUEL CELLS TO AN EXTERNAL CIRCUIT - Embodiments relate to a fuel cell including, an ion conducting component, two or more electrode coatings and one or more interconnects. The interconnects include a non-conductive interface region having a first surface and a second surface in which the first surface is in contact with the ion conducting component, an electron conducting component having two surfaces and a length that is parallel to the two surfaces wherein one of the surfaces is disposed adjacent to the second surface of the interface region. The electron conducting component provides an electrically conductive pathway between one of the electrode coatings and an external circuit, said pathway extending along the length of the electron conducting component. | 07-07-2011 |
20110114862 | MAGNETIC FLUID COUPLING ASSEMBLIES AND METHODS - Fluid coupling assemblies and methods are discussed. The fluid coupling assemblies include a first coupling member, a second coupling member magnetically engageable with the first coupling member, and a seal member disposed between a portion of the first coupling member and a portion of the second coupling member. A magnetic engagement of the first coupling member and the second coupling member unseals a fluid flow path therebetween. In certain examples, the first coupling member is sealed by a valve member and the second coupling member includes an activation member. When engaged, the valve member is moved from a closed position to an open position by the activation member, thereby unsealing the fluid flow path. A magnetic force between the first coupling member and the second coupling member can be chosen such that the members disengage when a predetermined fluid flow path pressure is reached. | 05-19-2011 |
20100183955 | ELECTROCHEMICAL CELLS HAVING CURRENT-CARRYING STRUCTURES UNDERLYING ELECTROCHEMICAL REACTION LAYERS - An electrochemical cell structure has an electrical current-carrying structure which, at least in part, underlies an electrochemical reaction layer. The cell comprises an ion exchange membrane with a catalyst layer on each side thereof. The ion exchange membrane may comprise, for example, a proton exchange membrane. Some embodiments of the invention provide electrochemical cell layers which have a plurality of individual unit cells formed on a sheet of ion exchange membrane material. | 07-22-2010 |
20100167132 | HYDROGEN FUEL DELIVERY SYSTEMS - A method for providing hydrogen to a hydrogen-powered device comprises providing a buffer connected to supply hydrogen to the device. The buffer is filled with hydrogen by coupling the buffer to a cartridge containing a predetermined quantity of hydrogen. The hydrogen in the cartridge may be stored in a form having a higher energy density than the hydrogen in the buffer. Systems comprising hydrogen-powered devices that include such buffers are also described. | 07-01-2010 |
20100081017 | MULTIFUNCTIONAL FUEL SYSTEM AND RELATED METHODS - Embodiments of the invention relate to a multifunctional fuel system, including a multifunctional fuel cartridge including a hydrogen carrier capable of releasing hydrogen and one or more fuel cells, removably coupled to the fuel cartridge. The one or more fuel cells are capable of producing electricity upon receiving hydrogen from the fuel cartridge and wherein the multifunctional fuel cartridge is additionally adapted to release heat. | 04-01-2010 |
20100080735 | PORTABLE HYDROGEN GENERATOR - Portable hydrogen generators are disclosed. In the various embodiments, the generator may include a chamber configured to endothermically decompose a material positioned within the chamber to generate hydrogen gas. A heater may be in thermal communication with the material to stimulate a release of the hydrogen gas. An electrical power source may be controllably coupled to the heater, so that electrical power delivered to the heater may be controlled in response to at least one detected property of the hydrogen gas. | 04-01-2010 |
20100078122 | METHODS OF MANUFACTURING FLUID STORAGE COMPONENTS - Embodiments of the invention relate to a method of manufacturing a fluid enclosure. The method includes reducing the size of active material particles sufficient to provide a maximum active material particle size substantially within the same order of size as the active material particle decrepitation size, contacting the particles with a binder sufficient to provide a mixture, pressing the mixture sufficient to provide a compacted mixture, heating the compacted mixture sufficient to form a fluid storage component and conformably coupling an outer enclosure wall to the fluid storage component sufficient to provide a fluid enclosure. | 04-01-2010 |
20100035102 | ENERGY STORAGE INTEGRATED FRAMEWORK FOR PORTABLE ELECTRONIC DEVICES - Embodiments of the invention relate to a fuel cell system for a portable electronic device including one or more fuel storage components, adapted to store and deliver a fuel, one or more electronic components and one or more fuel cells in contact with at least one of the one or more fuel storage components and one or more electronic components. The one or more fuel storage components are adapted to provide a secondary function, in addition to storing and delivering fuel. | 02-11-2010 |
20090280390 | FAULT TOLERANT FUEL CELL SYSTEMS - A fuel cell system comprises a plurality of groups of fuel cells electrically connected in series-parallel. Each of the groups of fuel cells comprises a plurality of fuel cells connected in series-parallel. Each of the fuel cells may have a very small active area. The system provides passive fault tolerance for both open-circuit and closed-circuit failures of individual fuel cells. | 11-12-2009 |
20090255831 | FLUID ENCLOSURE AND METHODS RELATED THERETO - Embodiments of the invention relate to a fluid enclosure including a structural filler and an outer enclosure wall conformably coupled to the structural filler. Embodiments of the present invention further relate to a method of manufacturing a fluid enclosure. The method includes conformably coupling an outer enclosure wall to a structural filler. | 10-15-2009 |
20090191435 | COVERS FOR ELECTROCHEMICAL CELLS AND RELATED METHODS - Embodiments of the invention relate to an electrochemical cell system including a cover that affects reactant flow into an electrochemical cell array. | 07-30-2009 |
20090173620 | COMBINED CHEMISTRY HYDROGEN GENERATION SYSTEM - Embodiments of the invention relate to an apparatus or hydrogen generating system including a galvanic or first hydrogen generator and a thermally-activated or second hydrogen generator connectable to one another. | 07-09-2009 |
20090162722 | ELECTROCHEMICAL CELL ASSEMBLIES INCLUDING A REGION OF DISCONTINUITY - Embodiments of the invention relate to electrochemical cell assemblies in which a region of discontinuity provides separation and insulation between adjacent cells in an array. | 06-25-2009 |
20090130527 | PLANAR FUEL CELL HAVING CATALYST LAYER WITH IMPROVED CONDUCTIVITY - The performance of solid polymer electrolyte fuel cells having planar architecture is improved by increasing the electrical conductivity in at least one of the catalyst layers. The conductivity is increased by incorporating a highly electrically conductive additive selected from the group consisting of graphite, carbon nanotubes, and corrosion tolerant metals. | 05-21-2009 |
20090095409 | METHODS OF MANUFACTURING ELECTROCHEMICAL CELLS - Methods of manufacturing electrochemical cells having a current collector which, at least in part, underlies a catalyst layer are discussed. A method comprises patterning a current collector to have at least one electrolyte opening, disposing an electrolyte into or through the at least one opening, and disposing a catalyst, at least in part, over the disposed electrolyte. Optionally, the method comprises pattering a substrate and attaching a patterned current collector to each side thereof. Patterning of the current collector can include patterning a continuous sheet, which comprises at least a first and a second separable current collector. In one such example, a continuous carbon-fiber sheet impregnated or laminated with a non-porous material is patterned. In another such example, a continuous plastic material sheet impregnated with one or more electrical conductive particles is patterned. Among other things, the pattern of the current collector can include an extruded slot or adjacently-disposable strips. | 04-16-2009 |
20090081493 | FUEL CELL SYSTEMS INCLUDING SPACE-SAVING FLUID PLENUM AND RELATED METHODS - Fuel cell systems and methods having reduced volumetric requirements are described. The systems include, among other things, an enclosed region formed by the bonding of a fuel cell layer with a fluid manifold. The enclosed region transforms into a fluid plenum when, for example, a fluid exiting a manifold outlet pressurizes the enclosed region causing one or more portions of the fuel cell layer and/or the fluid manifold to deform away from each other. | 03-26-2009 |