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| Number | Title | Issue Date |
| 7306870 | Fuel cell Fuel cells and methods of operating fuel cells are disclosed. In one aspect, the invention features a fuel source for a fuel cell including a housing having an outlet, a structure having a portion in the housing, the structure defining a cavity and having a surface ... | 12/11/2007 |
| 7306869 | Electrostatically actuated shutter and array for use in a direct oxidation fuel cell A wide-area electrostatically-actuated shutter is provided that includes a thin, flexible, diaphragm that is placed between two rigid electrode structures. In one embodiment of the invention, the diaphragm has a set of openings in it. These openings overlap with cor... | 12/11/2007 |
| 7306868 | Integrated fuel cell stack and catalytic combustor apparatus, assembly, and method of use An integrated fuel cell stack and catalytic combustor apparatus includes a fuel cell stack assembly having multiple fuel cell stacks between which is defined a cavity, each of said fuel cell stacks including a plurality of individual fuel cells; and a catalytic comb... | 12/11/2007 |
| 7306864 | One-shot fabrication of membrane-based electrochemical cell stacks The present invention provides membrane cassettes and stacks thereof which are suitable for a use in a variety of electrochemical and ion exchange applications. The present invention also provides methods of manufacturing the membrane cassettes and stacks of the inv... | 12/11/2007 |
| 7306863 | Replaceable fuel cell apparatus having information storage device A fuel cell apparatus in accordance with a present invention includes an information storage device. A method of operating a host device in accordance with a present invention includes the step(s) of writing data to, and/or accessing data on, a fuel cell apparatus i... | 12/11/2007 |
| 7306641 | Integral fuel cartridge and filter An integral fuel cartridge and filter apparatus includes a fuel cartridge, a filter housing coupled to the fuel cartridge, and a filter coupled to the filter housing. ... | 12/11/2007 |
| 7303835 | Diffusion media, fuel cells, and fuel cell powered systems A porous diffusion media according to the present invention is positioned against a catalyst layer of the membrane electrode assembly, the porous matrix comprises carbon paper, and the water transfer particles comprise carbon fibers or powders. Relatively high and r... | 12/04/2007 |
| 7303832 | Electrochemical fuel cell comprised of a series of conductive compression gaskets and method of manufacture The invention includes a proton exchange membrane fuel cell (PEMFC) comprising at least one fuel cell assembly. The fuel cell assembly includes a membrane electrode assembly interposed between an anode separator and a cathode separator. The membrane electrode assemb... | 12/04/2007 |
| 7303211 | Fuel cell vehicle architecture A vehicle chassis includes a frame defining a cavity, and a tank configured to store compressed hydrogen gas. The tank is at least partially located within the cavity, and is longitudinally oriented with respect to the frame to maximize the fuel-storage capability o... | 12/04/2007 |
| 7303736 | Nanostructured materials for hydrogen storage A system for hydrogen storage comprising a porous nano-structured material with hydrogen absorbed on the surfaces of the porous nano-structured material. The system of hydrogen storage comprises absorbing hydrogen on the surfaces of a porous nano-structured semicond... | 12/04/2007 |
| 7297430 | Anode diffusion layer for a direct oxidation fuel cell A fuel cell diffusion layer for delivering a fuel mixture to the anode face of a catalyzed membrane and for resisting flow of carbon dioxide produced in the anodic reaction back into the associated fuel chamber. The diffusion layer contains either conduits or channe... | 11/20/2007 |
| 7297431 | Vehicle power supply unit A vehicle power supply unit is provided, which includes a part made of degradable plastic, which may be a battery case of a secondary battery, and may be a separator of a fuel cell when the degradable plastic is made conductive. A condition in which the degradable p... | 11/20/2007 |
| 7297432 | Fuel cell and fuel cell stack The present invention provides a fuel cell comprising a pair of separators sandwiching outsides of a membrane electrode assembly composed of a pair of electrodes provided on both sides of a solid polymer electrolyte membrane, an outer seal member sandwiched by a pai... | 11/20/2007 |
| 7297428 | Registration arrangement for fuel cell assemblies A registration arrangement for a fuel cell stack assembly incorporates registration posts and registration apertures or recesses. Fuel cell assemblies of the stack may include first and second flow field plates and a membrane electrode assembly (MEA) having an activ... | 11/20/2007 |
| 7297433 | Fuel cell A fuel cell includes a laminated, plate-shaped membrane electrode assembly and first and second separator plates sandwiching the membrane electrode assembly. The membrane electrode assembly includes a polymer electrolyte membrane; first and second electrode layers s... | 11/20/2007 |
| 7297426 | Direct methanol fuel cell system, fuel cartridge, and memory for fuel cartridge The invention provides a fuel cartridge for supplying methanol aqueous solution to a direct methanol fuel cell system, comprising a memory which stores at least a concentration of the methanol aqueous solution. ... | 11/20/2007 |
| 7297424 | Solid polymer electrolyte fuel cell stack A fuel gas inlet, a fuel gas outlet, an oxygen-containing gas inlet, an oxygen-containing gas outlet, and other components, which are disposed at upper and lower portions at both ends in the lateral direction, are provided in a first fuel cell stack. A plurality of ... | 11/20/2007 |
| 7294423 | Polymer electrolyte fuel cell having improved current collector plates and method of forming the same A polymer electrolyte fuel cell may include a stack of unit cells that each have a hydrogen-ion conductive polymer electrolyte membrane and an anode and a cathode sandwiching the polymer electrolyte membrane. Separators are provided between each two adjacent unit ce... | 11/13/2007 |
| 7294424 | Solid-oxide fuel cell assembly having simplified arrangement of current collectors A solid-oxide fuel cell stack having a plurality of fuel cells connected in series and disposed as two stacks side-by-side in head-to-tail configuration, connected in series across one end and having cathode and anode current collectors mounted side-by-side on a sta... | 11/13/2007 |
| 7294425 | Channel-less proton exchange membrane fuel cell The present invention is a proton exchange membrane fuel cell that includes a fuel cell assembly. The fuel cell assembly includes a bipolar separator, which includes an anode separator, a cathode separator and a membrane electrode assembly. The bipolar separator inc... | 11/13/2007 |
| 7295430 | Portable device having high strength A thin portable device having high strength. The portable device includes a portable device body for accommodating an electronic component used for communication. The portable device body includes an upper case and a lower case, each having a cavity. A holding frame... | 11/13/2007 |
| 7291410 | Orientation independent liquid fuel reservoir A fuel reservoir for a liquid fuel cell particularly useful for portable electronic devices or for a reformer, includes (a) a container defining a volume for holding a liquid fuel; (b) a wicking structure positioned within the volume and into which at least one port... | 11/06/2007 |
| 7291414 | Reactant feed for nested stamped plates for a compact fuel cell A fuel cell in a fuel cell stack that provides a transition from nested bipolar plates in the active region of the stack to non-nested bipolar plates in the inactive regions of the stack without giving up the reduced stack thickness provided by the nested plates or ... | 11/06/2007 |
| 7291417 | Compositional and structural gradients for fuel cell electrode materials A fuel cell includes at least one electrode operatively disposed in the fuel cell, and having a catalytically active surface. The present invention further includes a mechanism for maintaining a substantially uniform maximum catalytic activity over the surface of th... | 11/06/2007 |
| 7291191 | Fuel cell cartridge filters and pressure relief Described herein is a portable storage device that stores a hydrogen fuel source. The storage device includes a bladder that contains the hydrogen fuel source and conforms to the volume of the hydrogen fuel source. A housing provides mechanical protection for the bl... | 11/06/2007 |
| 7291411 | Fuel cell shutdown and startup purge using a stoichiometric staged combustor A device and method for operating a fuel cell system. The device includes a combustor that is configured to combine reactants used in the fuel cell in such a way as to produce an inert fluid used to inert electrodes within the fuel cell. The device also includes com... | 11/06/2007 |
| 7291413 | Fuel cell end plate A fuel cell end plate configured to transmit substantially constant compressive forces along a surface of a fuel cell is provided. The fuel cell end plate is configured such that the compressive force is substantially constant along the surface of the fuel cell even... | 11/06/2007 |
| 7288334 | Fuel cell stack and method of producing the same A terminal plate of a fuel cell stack includes an electron conductive area and a passage area. The electron conductive area is connected to an anode. The passage area includes passages for supplying an oxygen-containing gas, a fuel gas, and coolant to a membrane ele... | 10/30/2007 |
| 7288341 | Battery frame and battery A battery frame of the present invention has; any one of a conductive member and an insulating member which are sandwiched between electrode tabs of flat cells arranged in a stacking direction when a battery is formed, the conductive member electrically connecting t... | 10/30/2007 |
| 7285350 | Enhanced solid oxide fuel cell systems Enhanced high temperature fuel cell systems, such as solid oxide fuel cell systems and molten carbonate fuel cell systems are disclosed. Embodiments of the disclosure include solid oxide and molten carbonate fuel cell systems incorporating gas separation apparati fa... | 10/23/2007 |
| 7285352 | Separator for fuel cell and fuel cell therewith An objective of this invention is to provide a separator for a fuel cell whereby a fuel, air or cooling water can be evenly and efficiently fed. In a separator for a fuel cell comprising fuel channels 105 in one side and cooling water channels 106 in t... | 10/23/2007 |
| 7285353 | PEM fuel cell separator plate A composite separator plate for use in a fuel cell stack and method of manufacture is provided. The composite separator plate includes a plurality of elongated support members oriented generally parallel to each other and a polymeric body portion formed around the s... | 10/23/2007 |
| 7284411 | Method of making a gas diffusion media and quality controls for same The present invention discloses various methods in which a quality of a diffusion media for use in a fuel cell assembly can be qualitatively evaluated. The material constant, an internal contact angle, a ratio of high and low energy pores, and an external contact an... | 10/23/2007 |
| 7285354 | Polymer electrolyte fuel cell, fuel cell electrode, method for producing electrode catalyst layer, and method for producing polymer electrolyte fuel cell A method for producing a polymer electrolyte membrane type fuel cell including a polymer electrolyte membrane, fuel and air electrodes that sandwich therebetween the polymer electrolyte membrane and that each include a gas diffusion layer and a catalyst layer provid... | 10/23/2007 |
| 7285345 | Ventilation of fuel cell power plant A fuel cell stack (2) of a fuel cell power plant (1) generates electric power using a fuel gas such as hydrogen supplied from a fuel gas supply device (3, 5, 5a), and an oxidant gas such as air supplied from an oxidant gas supply system (... | 10/23/2007 |
| 7285351 | Apparatus for dilution of discharged fuel An apparatus for dilution of discharged fuel of a fuel cell is provided, which has an inlet for guiding purged hydrogen gas coming from the fuel cell, a reservoir for storing the purged hydrogen gas guided through the inlet, and a cathode exhaust gas pipe penetratin... | 10/23/2007 |
| 7282282 | Organic fuel cells and fuel cell conducting sheets A passive direct organic fuel cell includes an organic fuel solution and is operative to produce at least 15 mW/cm2 when operating at room temperature. In additional aspects of the invention, fuel cells can include a gas remover configured to promote circ... | 10/16/2007 |
| 7282280 | Method for producing a melt carbonate-fuel cell and to melt carbonate fuel cells The invention relates to a method for producing a melt carbonate fuel cell comprising a cathode layer made from porous nickel oxide, an anode layer made from porous nickel and a melt arranged between the cathode layer and the anode layer, received in the form of a f... | 10/16/2007 |
| 7282283 | Method and device for limiting crossover in fuel cell systems A method of and fuel cell system for limiting an amount of a fuel crossing over a membrane in a fuel cell, the method including determining an appropriate molecular ratio of the fuel and water for a fuel-water mixture 503; and controlling an amount of the fue... | 10/16/2007 |
| 7282292 | Fuel cell stack assembly An exemplary fuel cell device assembly is a fuel cell stack assembly comprising: (i) a plurality of fuel cell packets, each of the packets comprising (a) a frame and (b) two planar electrolyte-supported fuel cell arrays, the fuel cell arrays arranged such that anode... | 10/16/2007 |
