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| Number | Title | Issue Date |
| 7879474 | Solid oxide electrolytic device An interconnect structure is disclosed for use in solid oxide electrolytic devices that use chrome-containing components, such as solid oxide fuel cells and solid oxide oxygen-generators. The invention provides a reliable and durable interconnect for both structural... | 02/01/2011 |
| 7749630 | Polymer electrolyte membrane and polymer electrolyte fuel cell comprising same A polymer electrolyte membrane obtained by subjecting a sulfonated polyarylene membrane having an initial water content of 80-300 weight % to a hot-water treatment. A composite polymer electrolyte membrane comprising a matrix made of a first sulfonated aromatic poly... | 07/06/2010 |
| 7745029 | Ferritic steels for solid oxide fuel cells and other high temperature applications Oxidation-resistant ferritic steel alloys for high temperature applications consist essentially of chromium (Cr) in an amount from about 18 to about 25 atom percent, tungsten (W) in an amount from about 0.5 to about 2 atom percent, manganese (Mn) in an amount less t... | 06/29/2010 |
| 7709124 | Direct hydrocarbon fuel cells The direct electrochemical oxidation of hydrocarbons in solid oxide fuel cells, to generate greater power densities at lower temperatures without carbon deposition. The performance obtained is comparable to that of fuel cells used for hydrogen, and is achieved by us... | 05/04/2010 |
| 7651801 | Current bus and power lead assemblies for solid oxide fuel cell generators A solid oxide fuel cell generator (10) is made which contains bundles (14) of solid oxide fuel cells (36), a bus bar unit (128) in adjacent contact with the fuel cell bundles, where the bus bar unit (128) can pass electrical curren... | 01/26/2010 |
| 7648789 | Fuel cell gas separator plate with paths of electrically conductive material of a silver-glass composite A fuel cell gas separator (212) for use between two solid oxide fuel cells (210) and having a separator body with an anode-facing side and a cathode-facing side and with paths (234) of electrically conductive material therethrough in an electrod... | 01/19/2010 |
| 7645535 | Method and materials for bonding electrodes to interconnect layers in solid oxide fuel cell stacks A method and related bonding compositions for use in assembling a solid oxide fuel cell (“SOFC”) stack having thermally and chemically stable and electrically conductive bonds between alternating fuel cells and interconnect components in the stack. The improved ... | 01/12/2010 |
| 7641998 | Conductive mono atomic layer coatings for fuel cell bipolar plates An electrically conductive separator element and assembly for a fuel cell which comprises an electrically conductive substrate having a monoatomic layer coating overlying the substrate. The monatomic layer coating may comprise an electrically conductive material, fo... | 01/05/2010 |
| 7638219 | Fuel cell without Z-like connection plates and the method producing the same Anodes are provided on a porous resin film, a polymer electrolyte membrane is provided on the anodes, and cathodes are provided on the polymer electrolyte membrane to form a plurality of membrane electrode assemblies as power generation units. An electrically conduc... | 12/29/2009 |
| 7632589 | Fuel-cell stack and fuel cell In a fuel-cell stack in which a plurality of cells are stacked, each of the cells includes a membrane electrode assembly which is composed of a polyelectrolyte membrane and a pair of electrodes sandwiching the polyelectrolyte membrane, and a pair of separators by wh... | 12/15/2009 |
| 7597979 | Structure of integrated packed fuel cell A structure of an integrated packed fuel cell including an integrated cathode electrode sheet that further includes a substrate, at least a cathode electrode area, and at least a conductive opening, an intermediate bonding layer that further includes at least a bond... | 10/06/2009 |
| 7595125 | Fuel cell stack for vehicle A unit cell includes a membrane electrode assembly, and first and second separators for sandwiching the membrane electrode assembly. The membrane electrode assembly includes an anode and a cathode having a substantially square shape having a side length L1 in... | 09/29/2009 |
| 7579100 | Fuel stack assembly A fuel cell stack assembly includes a plurality of substantially uniform fuel cell components arranged in a stack and including end components; and pressure/end plate current collectors positioned adjacent to the end components. ... | 08/25/2009 |
| 7572533 | Flat panel direct methanol fuel cell and method of making the same A flat panel direct methanol fuel cell (DMFC) includes an integrated cathode electrode sheet; a membrane electrode assembly (MEA) unit; an intermediate bonding layer; an integrated anode electrode sheet; and a fuel container. The fabrication of the integrated cathod... | 08/11/2009 |
| 7544432 | Fuel cell and fuel cell stack A fuel cell includes an electrolyte electrode assembly and a pair of separators sandwiching the electrolyte electrode assembly. Each of the separators is a single plate, and includes a plurality of circular disks. First protrusions and second protrusions are provide... | 06/09/2009 |
| 7534514 | Polymer electrolyte membrane fuel cell stack A fuel cell includes a stack of electrolyte membranes joined to one another to form an interior space and an exterior space. Fuel, such as hydrogen, is provided to the interior space. The electrolyte membranes are circular and joined to adjacent membranes at the out... | 05/19/2009 |
| 7531262 | High-volume-manufacture fuel cell arrangement and method for production thereof A fuel cell which is producible in high volume has electrolyte, positive electrode and negative electrode components which incorporate structure, external electrical connections, internal fuel and oxidizer distribution and an exhaust passage to form a simple assembl... | 05/12/2009 |
| 7531263 | Method of fabricating a flat panel direct methanol fuel cell A flat panel direct methanol fuel cell (DMFC) includes an integrated cathode electrode plate, a set of membrane electrode assemblies, an intermediate bonding layer, an integrated anode electrode plate, and a fuel container base. The integrated cathode/anode electrod... | 05/12/2009 |
| 7527886 | Start up of cascaded fuel cell stack A cascaded fuel cell stack (9a) includes a plurality of groups (10-12) of fuel cells (13) connected electrically in series by means of conductive separator plates (58, 59) and current collecting pressure plates (56, 57 | 05/05/2009 |
| 7517602 | Fuel cell and fuel cell stack A fuel cell includes an electrolyte electrode assembly and a pair of separators sandwiching the electrolyte electrode assembly. Each of the separators is a single plate, and includes a plurality of trapezoidal portions. First protrusions and second protrusions are p... | 04/14/2009 |
| 7494732 | Fuel cell device with varied active area sizes According to one aspect of the invention a fuel cell device comprises: a plurality of fuel cells, each of the plurality of fuel cells having an active area, wherein at least two of the plurality of fuel cells have differently sized active area, such that ratio of th... | 02/24/2009 |
| 7491460 | Fuel cell and fuel cell stack A fuel cell includes electrolyte electrode assemblies and a pair of separators sandwiching the electrolyte electrode assemblies. Each of the separators includes a plurality of circular disks. First protrusions and second protrusions are provided on both surfaces of ... | 02/17/2009 |
| 7485386 | Flexible ceramic gasket for SOFC generator A solid oxide fuel cell generator (10) contains stacks of hollow axially elongated fuel cells (36) having an open top end (37), an oxidant inlet plenum (52), a feed fuel plenum (11), a combustion chamber (94) for combusting ... | 02/03/2009 |
| 7465512 | Solid oxide fuel cell stack A fuel cell stack comprises a plurality of modules and each module comprises an elongate hollow member and one passage extending through the hollow member for the flow of a reactant. Each hollow member has a first flat surface and a second flat surface. At least one... | 12/16/2008 |
| 7449260 | Fuel cell stack including hydrogen pumping fuel cells A fuel cell system includes a fuel cell stack having a first plurality of fuel cells each having an anode, a cathode and an electrolyte disposed therebetween, the first plurality of fuel cells being communicated with a source of hydrogen-containing fuel and oxidant ... | 11/11/2008 |
| 7438985 | Proton exchange membrane (PEM) electrochemical cell having an integral, electrically-conductive, resiliently compressible, porous pad Electrolysis cell comprises, in one embodiment, a proton exchange membrane (PEM), an anode positioned along one face of the PEM, and a cathode positioned along the other face of the PEM. A multi-layer metal screen for defining a first fluid cavity is placed in conta... | 10/21/2008 |
| 7432006 | Electrochemical probe for screening multiple-cell arrays Novel systems for combinatorially screening an array of electrochemical cells are disclosed. The screening aparatus may comprise a system of electrodes and electrolytes common to each of the members of an electrochemical cell array. An electrochemical probe is used ... | 10/07/2008 |
| 7422810 | High temperature fuel cell system and method of operating same A high temperature fuel cell stack system, such as a solid oxide fuel cell system, with an improved balance of plant efficiency includes a thermally integrated reformer, combustor and the fuel cell stack. ... | 09/09/2008 |
| 7422822 | Single cell for a solid oxide fuel cell A single cell for SOFC operating at low temperatures is provided, including a first solid electrolyte with oxide ion conductivity at 800° C. of 0.015 S/cm or more and bending strength of 600 MPa or more, a fuel electrode and bonded to one side of the first electrol... | 09/09/2008 |
| 7422814 | Fuel cell system A fuel cell unit includes a plurality of fuel cells. Each of the fuel cells includes a plurality of power generation units. The power generation units are electrically connected in series for outputting a desired level of voltage. The fuel cells are stacked in a dir... | 09/09/2008 |
| 7419737 | Fuel supply device for direct methanol fuel cells A fuel supply device for direct methanol fuel cells includes a fuel tank for storing liquid fuel, a wick structure formed on the fuel tank, the wick structure for receiving the liquid fuel from the fuel tank, a sheet stack disposed on the wick structure, the sheet s... | 09/02/2008 |
| 7419738 | Module for a fuel cell arrangement comprising plates joined by a seal A module for a fuel cell arrangement having several stacked plates. At least two of the plates have a common seal element of polymer material which is injected onto the plates and by which the plates are at least partially joined to one another. The plates can be pr... | 09/02/2008 |
| 7416804 | Process for making planar framed membrane electrode assembly arrays, and fuel cells containing the same The present invention relates to a process for making single or multiple planar array five layer membrane electrode assemblies utilizing array assemblies, as well as the array assemblies themselves, comprising proton exchange membrane (PEM), catalyst coated membrane... | 08/26/2008 |
| 7416760 | Method of making a fuel cell device assembly and frame An exemplary method of making a fuel cell device assemblies includes the steps of: (i) providing a ceramic batch; (ii) extruding the ceramic batch through a die and a mask to form green extrudate that, in cross-section, has at least 10 cells/in2 and wall ... | 08/26/2008 |
| 7416796 | Fuel cell with capacitor attached to the fuel cell separator plate The present invention provides a capacitor-embedded fuel cell. The capacitor-embedded fuel cell comprises a membrane electrode assembly including a hydrogen ion exchange membrane consisting of a polymeric electrolyte, and a pair of gas diffusion electrodes disposed ... | 08/26/2008 |
| 7413821 | Solid polymer electrolyte fuel cell assembly with gas passages in serial communication, and method of supplying reaction gas in fuel cell A cell assembly includes a first unit cell and a second unit cell which are stacked to each other. The first unit cell has a first unified body, and the second unit cell has a second unified body. A plurality of oxidizing gas passages and a plurality of fuel gas pas... | 08/19/2008 |
| 7410720 | Fuel cell and method for manufacturing the same An electrode sheet (489) is put in one side of a solid electrolyte membrane (114) at its cut portion. A base member (110) for an oxidant electrode side current collector electrode sheet (499) is placed at a location facing a base member (... | 08/12/2008 |
| 7404878 | Gas diffusion electrode assembly, bonding method for gas diffusion electrodes, and electrolyzer comprising gas diffusion electrodes In a gas diffusion electrode assembly, and in an electrolyzer using the same, a bonding piece having on at least one surface a perfluorosulfonic acid layer, a perfluorosulfonyl fluoride layer or an alkyl ester of perfluorocarboxylic acid layer is positioned at its p... | 07/29/2008 |
| 7396442 | Electrochemical oxygen generator module assembly An ionically conductive ceramic element includes a central unit (703). The central unit (703) is composed of a plurality of integrated manifold and tube modules (IMAT) (22) joined end to end along a central axis (A). Each IMAT module (22)... | 07/08/2008 |
| 7396384 | Fuel cell gas separator A fuel cell gas separator (14) between two planar solid oxide fuel cells (12) comprises a first layer (22) which is formed of a material that is impermeable to gases, a second layer (24) which is formed of a material that is impermeable t... | 07/08/2008 |
