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| Number | Title | Issue Date |
| 7713648 | Fuel cell cover plate tie-down A pair of reactant cover plates, e.g., fluid manifolds or protective covers (11, 12), on opposite sides of a fuel cell stack (7) are drawn to the fuel cells (14) and pressure plates (8) by tensioning lines, e.g., cables (23) or str... | 05/11/2010 |
| 7709132 | Fuel cell stack A side plate of a casing includes bracket members and a surface member. Each of the bracket members includes three second coupling portions and a plate-shaped attachment portion provided integrally with the second coupling portions. A coupling pin is inserted into t... | 05/04/2010 |
| 7700215 | Clad current carrier for a solid oxide fuel cell stack A current carrier for a solid oxide fuel cell system comprising a current-carrying core formed of a high-conductivity metallic material such as copper, brass, bronze, silver, silver-copper alloys, molybdenum, tungsten, or the like, and a protective jacket surroundin... | 04/20/2010 |
| 7700216 | Stack for fuel cell system having an element for reducing stress concentration A stack for a fuel cell system includes an electricity generating unit, end plates, a restraint portion, and an element for reducing stress. The electricity generating includes a membrane-electrode assembly (MEA) and separators respectively disposed on opposite surf... | 04/20/2010 |
| 7659027 | Fuel cell and fuel cell stack A fuel cell system includes a fuel cell stack, a fluid unit including a heat exchanger for heating an oxygen-containing gas, before the oxygen-containing gas is supplied to the fuel cell stack, and a casing for containing the fuel cell stack and the fluid unit. A fi... | 02/09/2010 |
| 7625657 | Fuel cell and fuel cell stack A fuel cell includes an electrolyte electrode assembly and separators. The separator has a fuel gas supply passage, a fuel gas distribution passage, an oxygen-containing gas supply passage, and an oxygen-containing gas distribution passage. The fuel gas flows throug... | 12/01/2009 |
| 7560187 | Fuel cell stack A fuel cell stack includes a plurality of multi-cell modules stacked and a restraining member. Each multi-cell module includes a plurality of fuel cells including opposite end fuel cells at opposite ends of the plurality of fuel cells layered. The restraining member... | 07/14/2009 |
| 7482087 | Fuel cell A fuel cell includes electrolyte electrode assemblies and a pair of separators sandwiching the electrolyte electrode assemblies. Each of the separators has a first small diameter end portion to form a fuel gas supply passage therein, and circular disks sandwiching t... | 01/27/2009 |
| 7465514 | Electrochemical energy source and electronic device incorporating such an energy source The invention relates to an electrochemical energy source comprising at least one fuel cell, which fuel cell comprises: a first current collector coupled to a negative electrode, a fuel source connected to said negative electrode, a second current collector coupled ... | 12/16/2008 |
| 7435501 | Fuel cell compression assembly A fuel compression assembly includes a carnage unit having at least two opposing side walls maintained in spaced relation by a base member extending between the opposing side walls at a lower position on the opposing side walls. The opposing side walls and the base ... | 10/14/2008 |
| 7374837 | Liquid electrochemical cell stacks and manufacturing methods for same The present invention provides liquid electrolyte electrochemical cassettes and stacks thereof which are suitable for a use in a variety of electrochemical, ion exchange, and battery applications. The present invention also provides methods of manufacturing the liqu... | 05/20/2008 |
| 7367360 | Integrated piping plate, machining method for same, machining apparatus for same, and machining equipment for same A machining method for an integrated piping plate, for example, composed of a plurality of plates joined together, and in which an instrument and a component constituting an apparatus, or the instrument, or the component are or is disposed on one surface or both sur... | 05/06/2008 |
| 7354675 | Apparatus and method for maintaining compression of the active area in an electrochemical cell An electrochemical cell includes a first electrode, a second electrode, a proton exchange membrane disposed between and in intimate contact with the electrodes, and a pressure pad disposed in electrical communication with the first electrode. The pressure pad is an ... | 04/08/2008 |
| 7351490 | Fuel cell A first seal structure includes a seal joint and seal members connected to the seal joint. An interior angle at the seal joint defined by central lines of the seal members is in a range of 40° to 90°. The seal joint includes a curved portion having a predetermined... | 04/01/2008 |
| 7348093 | Fuel cell stack The invention relates to a fuel cell stack which is composed of several individual fuel cells that are stacked on top of each other. Each of said fuel cells comprises a cathode-electrolyte-anode unit (7) and a perforated film (1) which distributes a co... | 03/25/2008 |
| 7344576 | Conditions for fluid separations in microchannels, capillary-driven fluid separations, and laminated devices capable of separating fluids Methods of separating fluids using capillary forces and/or improved conditions for are disclosed. The improved methods may include control of the ratio of gas and liquid Reynolds numbers relative to the Suratman number. Also disclosed are wick-containing, laminated ... | 03/18/2008 |
| 7344797 | Compact fuel cell stack structure An electro-chemical fuel cell stack having a plurality of fuel cells arranged in a stacked configuration to form a fuel cell assembly. The fuel cell assembly has opposite first and second ends with a length therebetween. First and second end plates are disposed on t... | 03/18/2008 |
| 7327067 | Actuator modules A lightweight, compact, and flexible organic actuator module that is stably operated in a gas such as air and safely handled has a structure in which an organic actuator and a counter electrode immersed in electrolyte solution together with the gas are stored and se... | 02/05/2008 |
| 7326480 | Fuel cell power system and method of controlling a fuel cell power system A fuel cell power system includes a fuel cell which has an optimal voltage; an energy storage device having a nominal voltage substantially similar to the optimal voltage of the fuel cell; and an electrical switch that, in operation, selectively electrically couples... | 02/05/2008 |
| 7323269 | Fuel cell A fuel cell includes a plurality of metal clip members for holding outer regions of first and second metal separators at a plurality of positions. Each of the metal clip member includes a side plate and first and second holding portions. The side plate is curved at ... | 01/29/2008 |
| 7314680 | Integrated fuel cell power module A fuel cell power system has at least one fuel cell stack assembly having a clamp mechanism for holding plates of the fuel cell stack together, a fuel supply and exhausting stream, an oxidant supply and exhausting stream, and at least one of a fuel cell stack coolin... | 01/01/2008 |
| 7297434 | Fuel cell A fuel cell for generating an electric energy with a chemical reaction between hydrogen and oxygen, has a membrane electrode assembly for generating an electric field through the membrane electrode assembly with the chemical reaction between the oxygen and the hydro... | 11/20/2007 |
| 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 |
| 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 |
| 7291415 | Solid oxide fuel cell with external manifolds A solid oxide fuel cell stack may include repeating fuel cell units each having a planar fuel cell, an interconnect, a cathode contact layer disposed between sealing strips, and an anode contact layer disposed between sealing strips. The sealing strips have end exte... | 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 |
| 7276304 | Fuel cell system including a unit for electrical isolation of a fuel cell stack from a manifold assembly and method therefor A fuel cell system with improved electrical isolation having a fuel cell stack with a positive potential end and a negative potential, a manifold for use in coupling gases to and from a face of the fuel cell stack, an electrical isolating assembly for electrically i... | 10/02/2007 |
| 7271567 | Fuel cell power and management system, and technique for controlling and/or operating same There are many inventions described and illustrated herein. In one aspect, the present invention is directed to a portable fuel cell power and management system (for example, hydrogen and/or methanol based systems), components and/or elements thereof, as well as tec... | 09/18/2007 |
| 7270908 | Proton exchange membrane electrochemical cell system A compression member for an electrochemical cell stack is provided. The compression member includes a first surface including a plurality of raised portions, a second surface including a substantially flat surface, and an edge defined by the first surface and the se... | 09/18/2007 |
| 7261965 | Fuel cell module A fuel cell module includes a number of series-connected fuel cells forming a fuel cell stack. To reliably ensure that there is no risk of the fuel cell stack buckling, even where a comparatively large number of fuel cells are grouped to form a fuel cell stack, the ... | 08/28/2007 |
| 7261964 | Fuel cell stack housing A housing that retains a fuel cell stack includes a casing that defines a cavity. A first plate is retained within the cavity at a first end of the casing. A second plate is partially received into the cavity at a second end of the casing and is secured to the casin... | 08/28/2007 |
| 7261798 | Assembly for maintaining compression for electrical contact of the active area of an electrochemical cell An electrochemical cell structure has a first fluid chamber and a resilient member disposed in the first fluid chamber. An opening permits communication of fluid into the first fluid chamber. An anode cavity and a cathode cavity are in fluid communication with the f... | 08/28/2007 |
| 7241526 | Fuel cell manifold cable end clamp A pair of reactant gas manifolds (11 and 12) on opposite sides of a fuel cell stack (7) are sealed to the fuel cells (14) and pressure plates (8) by means of pressure applied by load cables (17). The centers of the manifolds... | 07/10/2007 |
| 7226684 | Sealing arrangement for fuel cells A sealing arrangement for fuel cells, including a at least one composite (40) formed of two cell separator plates (1, 4; BPP) with a deformable membrane electrode assembly (18; MEA) placed therebetween, the deformable membrane electrode assembly... | 06/05/2007 |
| 7222424 | Method for producing a tubular spring and an actuator unit comprising one such tubular spring A method for producing a tubular spring (12) in the form of a cylindrical hollow body, especially for pre-tensioning a piezoelectric actuator element (2) of an actuator unit (1) of a fuel injector comprises the step of providing a thin-walled, s... | 05/29/2007 |
| 7205062 | Fuel cell stack A fuel cell pack includes multiple stacked membrane-electrode-assemblies and two base plates sandwiching the membrane-electrode assemblies and each configured to provide a uniform distribution of compressing forces across juxtaposed surfaces of the membrane-electrod... | 04/17/2007 |
| 7201986 | Electrochemical cells formed on pleated substrates A sheet of substrate material is corrugated. First and second troughs are defined on opposed faces of the substrate material. Ion-conducting regions are located in a common wall of the first and second troughs. In the ion-conducting regions ions can pass through the... | 04/10/2007 |
| 7172829 | Fuel cell and process for the production of same A fuel cell component includes an electrolyte membrane and insert members disposed within the electrolyte membrane. The insert members are arranged to provide compression resistance of the assembly of the insert members and electrolyte membrane. Creep resistance of ... | 02/06/2007 |
| 7163761 | Fuel cell stack A fuel cell stack is provided comprising fuel cell modules least compression plates; and at least one plurality of mechanical linkages connecting a pair of compression plates located on either side of at least one fuel cell module, which may be engaged to maintain a... | 01/16/2007 |
| 7153409 | Electrochemical cell system and method of operation In one embodiment, the electrochemical system comprises an electrochemical cell and hydrogen storage in fluid communication with the hydrogen electrode, the hydrogen storage comprising at least one of carbon nanotubes and carbon nanofibers. In one embodiment, the me... | 12/26/2006 |
