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| Number | Title | Issue Date |
| 7585581 | Micro fuel cell architecture The present invention relates to fuel cells and components used within a fuel cell. Heat transfer appendages are described that improve fuel cell thermal management. Each heat transfer appendage is arranged on an external portion of a bi-polar plate and permits cond... | 09/08/2009 |
| 7582377 | Fuel cell and method of assembling the same A pressure loss in an oxidative gas passage of each of single cells is obtained This pressure loss is compared with predetermined ranks so as to carry out classification according to the ranks. The pressure loss in the oxidative gas passage has a predetermined permi... | 09/01/2009 |
| 7575827 | Conductive coatings for PEM fuel cell electrodes A bipolar plate for use in a stack of fuel cell modules includes a bipolar plate that has at least one surface containing a metal alloy oxidizable to form a metal oxide having a surface resistance no greater than about 0.007 ohm-cm2. The metal alloy is ox... | 08/18/2009 |
| 7572537 | Fuel cell and separator for the same An improved fuel cell makes uniform partial gas pressure of a fuel gas flowing through a gas passage formed between an electrode and a separator of a fuel cell, activating an electrode reaction in a whole region of the electrode surface along the gas passage. The in... | 08/11/2009 |
| 7572536 | Method and apparatus for fueling fuel cells A fuel cell is operatively connected to, and powers an electronic device. The fuel cell includes at least one electrode and an electrolyte in electrochemical contact with the electrode(s). A mechanism is provided for delivering fuel to the fuel cell while powering t... | 08/11/2009 |
| 7566511 | Solid polymer cell assembly A cell assembly (10) includes a first unit cell (12) and a second unit cell (14). The first unit cell (12) and the second unit cell (14) are juxtaposed such that electrode surfaces of the first unit cell (12) and electrode s... | 07/28/2009 |
| 7560186 | Exhaust gas disposal apparatus of fuel cell An exhaust gas disposal apparatus of a fuel cell of the present invention is equipped with a dilution vessel having a staying chamber for staying a hydrogen gas purged from a fuel cell and exhaust piping for passing a cathode off-gas, wherein any of the dilution ves... | 07/14/2009 |
| 7556878 | Fuel cell with separator and porous support member including high density portion The disclosure relates to a fuel cell including a solid electrolyte layer disposed on a separator plate. Another separator plate positioned adjacent the separator plate mounting the solid electrolyte layer are joined to a surface of the first separator plate to form... | 07/07/2009 |
| 7556877 | Direct methanol fuel cell A direct methanol fuel cell comprises a multiple number of connected unit cells, each composed of a fuel electrode element of a microporous carbon material, an electrolyte layer formed on the outer surface of the fuel electrode element, an air electrode layer formed... | 07/07/2009 |
| 7553575 | Fuel cell humidification system and method One end of an air passage (32) facing a cathode (33B) of a fuel cell (36) forming a fuel cell stack (6) is connected to a first manifold (1A), and the other end is connected to a second manifold (1B). A water-absorbing mater... | 06/30/2009 |
| 7550221 | Gas delivery substrate A gas delivery substrate and method of manufacture is disclosed. A thermoplastic extrusion compound is created comprising a ceramic material and a thermoplastic resin, a green body is formed by thermoplastic extrusion of the compound, and the green body is sintered ... | 06/23/2009 |
| 7550219 | Fuel supply apparatus for fuel cell Three ejectors 5, 7, 9 with differences in specification are connected in parallel between a hydrogen storage unit 3 and a fuel cell 1. Respective ejectors 5, 7, 9 allow excess hydrogen, discharged from the fuel cell 1, to pass thr... | 06/23/2009 |
| 7550220 | Miniature fuel cell base module comprising micro-volumes which are traversed by one of two reactants The basic module has a large functional surface area compared with its relatively small global surface area. It is composed mainly of a multitude of micro-volumes (10, 110) installed in a closed space between a lower border (1), upper border ( | 06/23/2009 |
| 7550218 | Apparatus for producing water onboard of a craft driven by a power plant Water is generated onboard of a craft such as an aircraft or in a self-contained stationary system by partially or completely integrating a water generating unit into a power plant of the craft or system. The water generating unit includes one or more high temperatu... | 06/23/2009 |
| 7550222 | Fuel cell component having a durable conductive and hydrophilic coating A fuel cell component having a coating thereon including binary and ternary nitrides and oxynitrides of elements of IVb and Vb groups of the periodic table of elements. ... | 06/23/2009 |
| 7544434 | Direct liquid fuel cell power generating device and method of controlling the same A direct liquid fuel cell power generating device of the invention comprise an anode electrode, a cathode electrode, an electrolyte membrane held by the anode electrode and the cathode electrode, an anode Passage for passing a fuel, a cathode passage for passing an ... | 06/09/2009 |
| 7544435 | Electrochemical cell systems comprising fuel consuming agents Electrochemical cell systems are provided. In some implementations, the electrochemical cell system includes a fuel cell and a fuel cartridge connected to the fuel cell. The fuel cell includes (i) a fuel cell housing having a first external surface and a first inter... | 06/09/2009 |
| 7537854 | Polymer electrolyte fuel cell and stack therefor, and method of manufacturing the same A stack for the fuel cell of the present invention includes a plurality of stacked unit cells each of which includes a conductive separator plate formed with flow passages and manifolds for gas supply, a coupler and attached to both sides of the separator plate and ... | 05/26/2009 |
| 7534518 | Cell for solid polymer electrolyte fuel cell with improved gas flow sealing A cell for use in a solid polymer electrolyte fuel cell, including a membrane electrode assembly including a fuel electrode and an oxidant electrode disposed on either side of a solid polymer electrolyte membrane, the assembly being sandwiched from either side by a ... | 05/19/2009 |
| 7534517 | Fuel cell and method for manufacture thereof A fuel cell includes a solid polymer electrolyte membrane and cathode and anode catalyst layers held between a fuel electrode substrate having a surface area larger than that of the cathode catalyst layer and an oxidizer electrode substrate having a surface area lar... | 05/19/2009 |
| 7534519 | Symmetrical, bi-electrode supported solid oxide fuel cell The present invention is a symmetrical bi-electrode supported solid oxide fuel cell comprising a sintered monolithic framework having graded pore electrode scaffolds that, upon treatment with metal solutions and heat subsequent to sintering, acquire respective anodi... | 05/19/2009 |
| 7534520 | Fuel cell system A fuel cell system according to the present invention comprises fuel cell stacks for generating electrical power upon receipt of hydrogen gas and oxidized gas; an end plate to which the fuel cell stacks are fastened; hydrogen system parts (hydrogen inlet valve, regu... | 05/19/2009 |
| 7531264 | Fuel cell stack with even distributing gas manifolds A method of controlling fluid flow to a stack of fuel cell flow field plates comprises providing in each fuel cell flow field plate of the stack of plates a fluid supply manifold aperture for conducting a supply of fluid to a number of the plates in the stack, the f... | 05/12/2009 |
| 7527888 | Current collector supported fuel cell Subject matter describes a current collector for a fuel cell stack, wherein the current collector physically supports the fuel cell stack within a fuel cell and an electrode element of the fuel cell stack is attached as a deposited layer to the current collector. Th... | 05/05/2009 |
| 7521142 | Fuel cell separator and production process thereof A fuel cell separator having a surface layer on one side or both sides thereof. The surface layer includes at least two layers, wherein the surface layer includes a low-elastic modulus layer (1) having a bending elastic modulus of 1.0×101-6.0×10 | 04/21/2009 |
| 7521143 | Polymer electrolyte fuel cell A polymer electrolyte fuel cell including a plurality of membrane electrode assemblies and a plurality of conductive separators, wherein the plurality of conductive separators include at least one separator comprising: a fuel gas inlet-side manifold aperture; a fuel... | 04/21/2009 |
| 7517605 | Solid oxide fuel cell and separator A solid oxide fuel cell is formed by arranging a fuel electrode layer and an air electrode layer on both surfaces of a solid electrolyte, respectively, a fuel electrode current collector and an air electrode current collector outside the fuel electrode layer and the... | 04/14/2009 |
| 7510794 | Conformable fuel cell A conformable fuel cell is provided which includes a basic structure that provides flexibility while providing a high compression along the active surface of the fuel cell's membrane electrode assembly, which can be achieved by an injection-molded frame. A suitable ... | 03/31/2009 |
| 7510795 | Separator, fuel cell, and connection construction between cell voltage measurement device side terminal and fuel cell side terminal In this fuel cell, among a pair of separators in which an electrically conductive portion which is made from an electrically conducting material is surrounded by an insulating portion which is made from an insulating material, a cell side terminal is provided in the... | 03/31/2009 |
| 7507490 | Metal separator for fuel cell and its production method A metallic separator in which falling off of the conductive inclusions projecting from a matrix surface is prevented, whereby the contact resistance is decreased, resulting in increasing the characteristics for generation of electrical energy. A metallic separator f... | 03/24/2009 |
| 7507492 | Electronic device having fuel cell system There is provided an electronic device including an electronic device main body and a fuel cell main body which has an electricity generator for generating electrical energy and is rotated with respect to the electronic device main body. The electricity generator in... | 03/24/2009 |
| 7507491 | Self-contained fuel cell and cartridge therefor Fuel cell including a casing, a cathode having a first surface and a second surface, at least part of the second surface being exposed to the atmosphere, an anode having a first surface and a second surface, a first chamber configured to retain liquid fuel, wherein ... | 03/24/2009 |
| 7494734 | Corrosion resistant plate for PEM fuel cell and methods of making same A fuel cell or electrochemical cell has a catalytic electrode and an electrically conductive contact element facing the electrode. The electrically conductive contact element conducts electrical current from the electrode and has a surface that includes a plurality ... | 02/24/2009 |
| 7491462 | Electrolyte membrane for fuel cell operable in medium temperature range, fuel cell using the same, and manufacturing methods therefor The invention provides an electrolyte membrane that allows an operating temperature of a solid polymer membrane fuel cell to be raised and an operating temperature of a solid oxide fuel cell to be lowered. This electrolyte membrane can be used in a fuel cell that is... | 02/17/2009 |
| 7485388 | Fuel cell A fuel cell including at least a membrane electrode assembly (MEA), a pipe, a pump and a linkage arrangement is provided. The MEA includes an anode layer, a cathode layer and an electrolyte layer disposed between the anode layer and the cathode layer. The pump is ad... | 02/03/2009 |
| 7485387 | Fuel cell module compatible with a dry cell The present invention provides a fuel cell module compatible with a dry cell. The fuel cell module includes an enclosure, a power generating unit, a hydrogen storage unit and positive/negative output ends. The hollow enclosure has an internal space, and is provided ... | 02/03/2009 |
| 7482084 | Fuel cell unit with sheet metal fluid guiding element and composited block of fuel cells In order to create a fuel cell unit, comprising a cathode-anode-electrolyte unit and a contact plate which is in electrically conductive contact with the cathode-anode-electrolyte unit, which requires only small production resources and is thus suitable for large-sc... | 01/27/2009 |
| 7482083 | Corrosion resistant coated fuel cell bipolar plate with filled-in fine scale porosities A corrosion resistant coated fuel cell plate and method of making the same are embodied in a metal plate provided with a multilayered conductive coating and then with an overcoat which fills in fine scale porosities in the coating. In one preferred embodiment, the o... | 01/27/2009 |
| 7482085 | Apparatus for improving the cold starting capability of an electrochemical fuel cell An electric power generation system has elements that improve the cold start capability and freeze tolerance of a constituent fuel cell stack cooperate to reduce the amount of water remaining within the passages of the stack. The system includes a purge system that ... | 01/27/2009 |
| 7479341 | Fuel cell, separator plate for a fuel cell, and method of operation of a fuel cell A fuel cell includes a stack of unit cells, each including: a hydrogen-ion conductive polymer electrolyte membrane; an anode and a cathode sandwiching the polymer electrolyte membrane; an anode-side conductive separator plate having a gas flow path for supplying and... | 01/20/2009 |
