Entries |
Document | Title | Date |
20100136461 | POWER STORAGE DEVICE - A power storage device includes a fuel cell ( | 06-03-2010 |
20100159358 | SEPARATOR FOR FUEL CELL AND FUEL CELL COMPRISING THE SAME - A separator for a fuel cell is provided. The separator comprises a flow path member and a base separator. The flow path member is made of a graphite foil and has a flow path through which fluids pass. The base separator has a seating recess formed on the surface thereof. The flow path member is mounted in the seating recess. The flow path is formed by pressing the graphite foil. The separator can be produced at reduced processing cost in a short processing time. | 06-24-2010 |
20100167174 | FUEL CELL SYSTEM - Provided is a fuel cell system using the dead end method and capable of exhausting impurities accumulated at the anode side while suppressing the oxidization of carbon. In the fuel cell system ( | 07-01-2010 |
20100178591 | APPARATUS FOR RECIRCULATION OF ANODE EXHAUST GASES OF A FUEL CELL - An apparatus is used for the recirculation of anode exhaust gases of a fuel cell, with a recirculation blower and at least one jet pump operated by a propulsion gas stream. The propelling medium is in this case a pressurized fuel, for example hydrogen. The anode outlet of the fuel cell is connected to the intake connection of the at least one jet pump. The outlet of the at least one jet pump is then connected to both the anode inlet and the intake connection of the recirculation blower. The output of the recirculation blower can be connected to the intake connection of the at least one jet pump. | 07-15-2010 |
20100178592 | BIOMIMETIC ARTIFICIAL MEMBRANE DEVICE - The invention relates to a device comprising a casing and a biomimetic artificial membrane arranged within the casing to form two distinct chambers, wherein each chamber is provided for enclosing a liquid of a given composition, and wherein the biomimetic artificial membrane comprises a semi-permeable membrane for supporting a lipid membrane, the lipid membrane comprising a plurality of lipid molecules arranged in a layer and including at least a transport protein, the transport protein being adapted for transport of ions and/or molecules of the liquids between the two chambers. | 07-15-2010 |
20100221641 | STABILIZED FUEL CELL FLOW FIELD - A fuel cell ( | 09-02-2010 |
20100221642 | FUEL CELL SYSTEM WITH SUCTION OPERATION FOR AN AIRCRAFT - A fuel cell system for an aircraft is stated, which fuel cell system comprises a fuel cell unit and a suction module. The suction module is used to draw oxygen through the fuel cell unit. No vacuum generators are used during cruising flight. | 09-02-2010 |
20100227256 | FUEL CELL ASSEMBLY - A passive fuel cell assembly, in which there is neither air pump, nor fuel pump, is comprised of a plurality of bi-cell units. Each bi-cell unit includes a first cell and a second cell, and each cell includes an electrode of a first polarity and an electrode of a second polarity, with an ion permeable membrane disposed therebetween. The bi-cell unit further includes a fuel container which comprises a housing defining a fuel chamber having a first and second open surface. The first and second cells are disposed on opposite sides so that electrodes of each cell having the first polarity are disposed in fluid contact with the fuel chamber. The assembly further includes an oxidizer supply member disposed between adjacent pairs of bi-cell units. The oxidizer supply member includes an oxidizer chamber having four sides to take in air, and having first and second open surfaces. The oxidizer supply member is disposed so that electrodes of the second polarity of adjacent bi-cell units are in fluid contact with the chamber of the oxidizer supply member. The various bi-cell units may be electrically interconnected in mixed series parallel relationship to obtain long operational life. The fuel cell bi-cell assembly may be configured to operate in conjunction with a liquid fuel such as an alcohol, and using air as an oxidizer. | 09-09-2010 |
20100239953 | GAS DIFFUSION UNIT FOR A FUEL CELL - Gas diffusion unit ( | 09-23-2010 |
20100266933 | COUPLER FOR FUEL CELL AND FUEL CELL - A coupler for a fuel cell according to the embodiment has a socket and a nozzle. The socket is provided on the fuel cell and has a valve body and an urging component for urging the valve body in the direction of closing it. The nozzle is provided on a fuel cartridge for storing a liquid fuel for the fuel cell and has a valve body and an urging component for urging the valve body in the direction of closing it. The valve bodies are opened to supply the liquid fuel in the fuel cartridge to the fuel cell when the nozzle is connected to the socket. The coupler for a fuel cell has a lubricity providing portion for applying lubricating properties. The lubricity providing portion is disposed on the sliding contact surfaces of the socket and the nozzle and makes sliding contact with each other when the socket and the nozzle are connected to each other or separated from each other. | 10-21-2010 |
20100316935 | ELECTROCHEMICAL CELLS CONNECTED IN FLUID FLOW SERIES - An electrochemical cell system for generating electrical power is disclosed. The electrochemical cell system comprises a plurality of fluidly connected electrochemical cells. Each electrochemical cell comprises an anode and a cathode. The anode is configured to permit a fluid comprising at least an electrolyte to flow in contact therewith to oxidize a fuel. The cathode is permeable to an oxidizer and is configured to receive electrons to reduce the oxidizer. The cathode and the anode are spaced apart to define a gap therebetween for receiving the fluid flow. The plurality of electrochemical cells are connected in fluid flow series such that, for each pair of fluidly connected electrochemical cells, the fluid flows from a first cell of the pair of cells to a second cell of the pair of cells. The plurality of electrochemical cells are connected electrically in series such that, for each pair of fluidly connected electrochemical cells, the cathode of the first cell of the pair is electrically connected to the anode of the second cell of the pair. | 12-16-2010 |
20100323276 | SURFACE TREATED CARBON COATINGS FOR FLOW FIELD PLATES - A flow field plate having a low resistance coating for fuel cell applications is described. In one embodiment, the flow field plate includes a metal plate having a first surface and a second surface, the first surface defining a plurality of channels for directing flow of a first gaseous composition; and an activated carbon coating disposed adjacent to at least a portion of the plate, the activated carbon coating having a surface resistance of less than about 20 mΩ·cm | 12-23-2010 |
20100330458 | VARIABLE CATALYST LOADING BASED ON FLOW FIELD GEOMETRY - A fuel cell including a membrane electrode assembly composed of a ionically conductive member sandwiched between a pair of electrodes. At least one of the electrodes including a catalyst loading characterized by catalytic activity that varies in proportion to the catalyst loading. Moreover, the fuel cell includes a flow path for supplying gaseous reactants to the electrodes and the catalyst loading is varied according to the flow path geometry. | 12-30-2010 |
20110003238 | Pump and Fuel Cell System Having a Pump - A pump has a shaft, an impeller arranged on the shaft, and a labyrinth seal which is arranged between stationary and moving parts of the pump. A plurality of blades are arranged on the rotor and a labyrinth seal extends at least between the shaft and a rear portion of the blades. A gap in the labyrinth seal is designed such that liquid water can be actively carried away, with the labyrinth seal for this purpose being designed at least in places with a channel in the form of a spiral and/or a staircase. The invention also relates to a fuel cell system having such a pump. | 01-06-2011 |
20110014546 | Nanoporous Silicate Membranes for Portable Fuel - A fuel cell is disclosed which has a significantly reduced internal resistance and which can be miniaturized. Two substrates are prepared, on with microchannels running along its facing surface and the other with nanochannels running along its facing surface. A silica-based binder is used to bind the substrates together with the microchannels running orthogonal to the nanochannels. The binder is removed from the microchannels and a fuel is introduced into at least one of the microchannels and an oxidant is introduced into at least one other of the microchannels. | 01-20-2011 |
20110020732 | FUEL CELL COMPONENT WITH INTERDIGITATED FLOW FIELDS - An exemplary flow field plate for use in a fuel cell includes a plurality of inlet flow channels. A plurality of outlet flow channels are also included. The flow channels are arranged such that at least two of the inlet flow channels are immediately adjacent each other on a first side of the two of the inlet flow channels. At least one of the outlet flow channels is immediately adjacent each of the two inlet flow channels on a second, opposite side of each of the two inlet flow channels. | 01-27-2011 |
20110123904 | SEPARATOR FOR FUEL CELL AND MANUFACTURING METHOD OF THE SAME - Oxygen gas passage forming grooves are formed on a positive electrode-side separator. A pair of side walls are formed integrally with each flat wall of the separator. The side walls extend from the side edges of the flat wall. The side walls extend such that the space in between the side walls decreases toward the positive electrode layer. Bottom walls are formed integrally with the flat walls such that each bottom wall connects the upper ends of adjacent side walls to each other. The bottom walls contact the positive electrode layer. A belt-like groove is formed in the inner surface of each flat wall that faces the oxygen gas passage forming grooves. The belt-like groove is located in the center of the widthwise direction of the flat wall. When the belt-like grooves are formed, the width of each flat wall is increased so that the corresponding side walls are inclined relative to the flat wall. The belt-like groove increases the volume of the oxygen gas passage forming groove. In a step for forging the belt-like grooves in the flat walls, a process for inclining the side walls relative to the flat walls is performed. | 05-26-2011 |
20110195344 | PASSIVE WATER DRAIN - A passive water drain for removal of water from a fuel cell system is disclosed, the drain including a main body having a cavity formed therein, an interior element, and a hydrophilic porous media. The passive water drain is adapted to simplify the anode reactant recycler, eliminate the need for bypass valve systems used to remove water from the cathode exhaust, and eliminate the need for condensate draining systems used for compressed air entering the cathode. | 08-11-2011 |
20110207022 | HIGH TORTUOSITY DIFFUSION MEDIUM - A diffusion medium for use in a PEM fuel cell including a porous spacer layer disposed between a plurality of perforated layers having variable size and frequency of perforation patterns, each perforated layer having a microporous layer formed thereon, wherein the diffusion medium is adapted to optimize water management in and performance of the fuel cell. | 08-25-2011 |
20110207023 | COMPRESSOR SYSTEM WITH A FREEWHEELING EXPANDER - A fuel cell system is disclosed that employs an expander for recovering mechanical energy from a cathode exhaust fluid produced by the fuel cell system to generate torque. The expander is coupled to a shaft of a compressor with a freewheel mechanism, wherein the freewheel mechanism transfers the torque from the expander to the compressor when a rate of rotation of a driveshaft of the expander is greater than the rate of rotation of the shaft of the compressor, and selectively militates against the expander acting as a restrictor to the shaft of the compressor when a rate of rotation of the driveshaft of the expander is substantially equal to or less than a rate of rotation of the shaft of the compressor. | 08-25-2011 |
20110217625 | Fuel cell and fuel cell system - In a fuel cell | 09-08-2011 |
20110256470 | COOLANT DEMINERALIZER FOR FUEL CELL VEHICLE - The present invention provides a coolant demineralizer for a fuel cell vehicle, which removes ions released from coolant of a fuel cell stack. In preferred embodiments, the present invention provides a coolant demineralizer configured to reduce the occurrence of differential pressure due to an ion resin layer such that coolant can smoothly flow through a filter member, thereby increasing the effect of filtering ions and improving the efficiency of use of ion resin. | 10-20-2011 |
20110294041 | SOLID OXIDE FUEL CELL WITH SPECIAL CELL GEOMETRY - A solid oxide fuel cell, wherein one of the electrodes of the fuel cell or an electrically conductive carrier, on which this electrode is applied, is designed as stabilizing substrate ( | 12-01-2011 |
20120009502 | FUEL CELL AND FLOW FIELD PLATE WITH FLOW GUIDE - A flow field plate for use in a fuel cell includes a non-porous plate body having a flow field. The flow field includes a plurality of channels and a flow distribution portion adjacent an end of the plurality of channels for distributing fluid between a manifold and the channels. A flow guide within the flow distribution portion establishes a desired flow distribution between the manifold and the plurality of channels. | 01-12-2012 |
20120183883 | FUEL CELL HOUSING STRUCTURE - A fuel cell housing structure includes a fuel cell, an electrically insulated housing, a vent gas intake port and a vent gas exhaust port. The electrically insulated housing contains the fuel cell. The housing is arranged to provide a space within the housing surrounding the fuel cell. At least one of the vent gas intake port and the vent gas exhaust port is fluidly connected to the space at a position above or on the same level as the fuel cell. The at least one of the vent gas intake port and the vent gas exhaust port forms at least one of: vertically extending opening that opens to the external environment, and an opening that faces the space in a direction other than a direction facing the fuel cell. | 07-19-2012 |
20120189945 | FUEL CELL WATER MANAGEMENT SYSTEM AND METHOD - Systems and methods for transporting accumulated water in a fuel cell system are disclosed. Briefly described, in one aspect, a system comprises a fuel cell flow field plate with at least one channel disposed on a surface of the fuel cell flow field plate, and at least one water management fin residing on a wall of the channel such that when the accumulated water is transported along the channel the water management fin guides the accumulated water. | 07-26-2012 |
20120237852 | SOLID OXIDE FUEL CELL - A solid oxide fuel cell includes: a first electrode having a first side and a second side substantially parallel to the first side; a plurality of walls partitioning an interior of the first electrode into a plurality of flow channels extending through the first electrode, wherein a first wall of the walls extends from the first side to a center portion of the second side and a second wall of the walls extends from the first side to the center portion of the second side; a current collector adjacent a center portion of the first side or the center portion of the second side; a second electrode partially surrounding the first electrode; and an electrolyte between the first electrode and the second electrode. | 09-20-2012 |
20120276472 | STAINLESS STEEL FOR FUEL CELL HAVING GOOD CORROSION RESISTANCE AND METHOD FOR PRODUCING THE SAME - A stainless steel for a fuel cell having good corrosion resistance throughout a wide potential range and a method for producing the same are provided. In particular, a coating having an intensity ratio [(OO/OH)/(Cr/Fe)] of 1.0 or more determined by X-ray photoelectron spectroscopy analysis is formed by performing an anodic electrolyzation treatment on a surface of a stainless steel in an electrolyte solution, the stainless steel containing 16% by mass or more of Cr and preferably having a composition that includes, in terms of percent by mass, C: 0.03% or less, Si: 1.0% or less, Mn: 1.0% or less, S: 0.01% or less, P: 0.05% or less, Al: 0.20% or less, N: 0.03% or less, Cr: 20 to 40%, at least one selected from Nb, Ti, and Zr, in total: 1.0% or less, and the balance being Fe and unavoidable impurities. | 11-01-2012 |
20120288784 | FUEL CELL PLATE WITH RECYCLED MATERIAL - A method of manufacturing a fuel cell plate is disclosed that includes machining a part to produce tailings. At least some of the tailings are mixed with a material to produce a mixture. The mixture is formed into a fuel cell plate. In one example, the tailings are recycled flake graphite laminated with binder, and the material is virgin flake graphite mixed with binder. The fuel cell plate has a structure with surfaces extending in the in-plane direction. At least some of the natural flake graphite is arranged out of the in-plane direction. | 11-15-2012 |
20130017472 | FUEL CELLS, CARBON COMPOSITE STRUCTURES AND METHODS FOR MANUFACTURING THE SAMEAANM Chen; Wan-ShuAACI Hsinchu CityAACO TWAAGP Chen; Wan-Shu Hsinchu City TWAANM Han; Tzu-HsienAACI Hsinchu CityAACO TWAAGP Han; Tzu-Hsien Hsinchu City TWAANM Cheng; Shu-HuiAACI Hsinchu CountyAACO TWAAGP Cheng; Shu-Hui Hsinchu County TW - Disclosed is a method to manufacture a carbon composite structure. First, a polymer nano fiber net is provided. The polymer nano fiber net is thermal oxidized to form an oxidized nano fiber net. The oxidized nano fiber net and an oxidized micro fiber net are stacked and impregnated in a resin. The resin is oxidized. Finally, the oxidized nano fiber net, the oxidized micro fiber net, and the oxidized resin are carbonized at a high temperature to form the carbon composite structure. | 01-17-2013 |
20130034797 | BIPOLAR PLATE ASSEMBLY HAVING AN ENCAPSULATED EDGE - A bipolar plate assembly includes at least one bipolar plate and an insert member in engagement with the at least one bipolar plate. The insert member has an encapsulant encapsulating at least a portion thereof. | 02-07-2013 |
20140038082 | CONNECTING MATERIAL FOR A TUBULAR SOLID OXIDE FUEL CELL, AND TUBULAR SOLID OXIDE FUEL CELL STACK INCLUDING SAME - Disclosed is a connector for a solid oxide fuel cell, which electrically connects tubular solid oxide fuel cells to each other. The connector includes a conductive body part having a first electrode contact groove and a second electrode contact groove. A first electrode contact part is formed on the top surface of the body part to receive at least a portion of an exposed first electrode portion and second electrode portion of a first solid oxide fuel cell, and is electrically connected to the first electrode of the first solid oxide fuel cell. A second electrode contact part is formed at the bottom surface of the body part so as to receive at least a portion of exposed first electrode portion and second electrode portion of a second solid oxide fuel cell, and is electrically connected to the second electrode of the second solid oxide fuel cell. | 02-06-2014 |
20150064605 | IN-MEMBRANE MICRO FUEL CELL - An in-membrane micro fuel cell comprises an electrically-insulating membrane that is permissive to the flow of cations, such as protons, and a pair of electrodes deposited on channels formed in the membrane. The channels are arranged as conduits for fluids, and define a membrane ridge between the channels. The electrodes are porous and include catalysts for promoting the liberation of a proton and an electron from a chemical species and/or or the recombination of a proton and an electron with a chemical specie. The fuel cell may be provided a biosensor, an electrochemical sensor, a microfluidic device, or other microscale devices fabricated in the fuel cell membrane. | 03-05-2015 |
20150086904 | DELIVERY SYSTEMS WITH IN-LINE SELECTIVE EXTRACTION DEVICES AND ASSOCIATED METHODS OF OPERATION - The present disclosure is directed to a system for delivery of a target material and/or energy. The system includes a source configured to provide a mixture containing the target material and a non-target material, a delivery conduit coupled to the source to receive the mixture from the source, and an in-line extraction device concentric to the delivery conduit. The in-line extraction device is configured to selectively extract the target material and/or energy from the mixture in the delivery conduit and to deliver it to a downstream facility. | 03-26-2015 |
20160093905 | FUEL CELL ASSEMBLY WITH JET PUMP IN THE EXHAUST PATH, AND MOTOR VEHICLE WITH FUEL CELL ASSEMBLY - The invention relates to a fuel cell arrangement ( | 03-31-2016 |
20160190614 | INTERCONNECT AND SOLID OXIDE FUEL CELL DEVICE - A solid oxide fuel cell (SOFC) manifold and interconnect structure includes a manifold that has a dense and hermetic planar surface that is impervious to fuel gas used with the corresponding SOFC. A porous material includes a permeable planar surface that is in lateral contact with the planar surface of the manifold to form an electrode interconnect. The exposed surface of the junction between the dense and hermetic planar surface and the permeable planar surface is substantially flat and devoid of discontinuities, corners and seams. The dense and hermetic planar surface, the permeable planar surface and the exposed surface of the junction lay in a single common plane suitable for thermal deposition of electrode and electrolyte layers. | 06-30-2016 |
20180026276 | STAINLESS STEEL SHEET FOR SEPARATOR OF POLYMER ELECTROLYTE FUEL CELL | 01-25-2018 |