Abstract: An insulating mount structure for a fuel cell, which includes insulating mounts (2) for mounting the fuel cell stack (1) on a grounded structure (7), and a water barrier (3) extending in a space between the fuel cell a stack (1) and the grounded structure (7), being electrically isolated from both of the fuel cell (1) and the grounded structure (7). The water barrier (3) is formed in a container shape having an opening (3a) on upper side thereof.

Abstract: A fuel cell stack system is configured to uniformly supply a fuel or an electrolytic solution to each of fuel cell elements, and an electronic device using the fuel cell stack system are provided. An electrolytic solution channel allowing an electrolytic solution to flow therethrough is arranged between a fuel electrode and an oxygen electrode, and a fuel channel allowing a fuel to flow therethrough is arranged outside of the fuel electrode. The electrolytic solution channels and the fuel channels of all fuel cell elements are connected in series to one another. That is, the fuel or the electrolytic solution emitted from an outlet of the fuel channel or the electrolytic solution channel of one fuel cell element enters into an inlet of the fuel channel or the electrolytic solution channel of the next fuel cell element through a connection channel.

Abstract: A power generation cell includes a membrane electrode assembly, and first and second separators sandwiching the membrane electrode assembly. The first separator includes an oxygen-containing gas flow field. An inlet buffer area is provided between the oxygen-containing gas flow field and an oxygen-containing gas supply passage, and an outlet buffer area is provided between the oxygen-containing gas flow field and an oxygen-containing gas discharge passage. Plural columnar resistance members are provided within the inlet buffer area and the outlet buffer area. The membrane electrode assembly further includes first and second humidification sections.

Abstract: The electrode for a fuel cell of the present invention includes a catalyst layer and an electrode substrate supporting the catalyst layer, where the electrode substrate includes a hydrophilic region and a hydrophobic region separated from each other. The hydrophilic region and the hydrophobic region that are separated from each other can easily release water produced at the cathode, and thereby prevent clogging of pores of the membrane by water, and smoothly diffuse the reactants resulting in obtaining a high current density.

Abstract: A membrane-electrode assembly in a polymer electrolyte/proton exchange membrane fuel cell includes the electrodes (anode and cathode), with a thin layer of catalyzed conductive support particles bonded to either side of the membrane. Where the polymer membrane comprises pendant chains of fluorinated carbon atoms with mobile proton containing terminal groups, proton conductivity with the catalyst particles is improved by chemically attaching like pendant chains to carbon atoms at surfaces of carbon particles. In certain implementations, an amino aryl perfluorinated sulfonic acid precursor is prepared. This precursor is converted to an aryl diazonium cation in the presence of carbon particles. The diazonium cation is reduced to the aryl radical which reacts with carbon atoms of the carbon substrate.

Abstract: The present invention provides a fuel cell which is capable of improving electric power generation efficiency at a time of high-temperature operation. The fuel cell 10 comprising: a membrane electrode assembly 4; and a pair of gas separators 7, 8 sandwiching the membrane electrode assembly 4 therebetween, wherein at least one of the gas separator(s) 7 and/or 8 comprises a compact layer(s) 7c and/or 8c which is capable of preventing permeation of fluid and a porous layer (s) 7d and/or 8d which allows permeation of fluid, and the porous layer(s) 7d and/or 8d is impregnated with a water-soluble liquid having higher boiling point than that of water.

Abstract: A proton conducting polymer includes a polymer backbone and a heterocyclic compound attached to the polymer backbone. The heterocyclic compound includes a sulfonyl functionality bonded to heterocyclic compound.

Abstract: To provide a membrane and electrode assembly comprising a catalyst layer that improves water holding properties and exhibits high power generation characteristics even in low humidified conditions without inhibiting the diffusibility of reaction gas, the removal of the water generated by the electrode reaction, and its manufacturing method. There is provided a membrane and electrode assembly produced by sandwiching a polymer electrolyte membrane between a pair of catalyst layers, in which the catalyst layer comprises a polymer electrolyte and particles carrying a catalyst material, and in which the volume of fine pores having a diameter of 1.0 ?m or smaller is increased toward the polymer electrolyte membrane from the surface of the catalyst layer.

Abstract: A support for an oxygen separation membrane element to support a dense and cylindrical electrolytic membrane having oxygen ion permeability, comprises a base axially extending and having a cylindrical surface extending axially, and a plurality of ribs formed on the cylindrical surface of the base, radially projecting and axially extending, for supporting the electrolytic membrane at their ends being radially distant from the cylindrical surface of the base.

Abstract: A gas diffusion layer with a micro protective layer is utilized in the electrochemical cells. The cell mainly includes end plates, current collectors, flow field plates, gas diffusion layers, catalyst layers, a proton exchange membrane and a circuit unit. When the cell functions as a fuel cell, hydrogen reacts with oxygen to generate electricity and water. Reversely, when the cell functions as a water electrolysis cell, water was decomposed electrolytically to produce hydrogen and oxygen gases. In this manner, the present invention particularly has the gas diffusion layer to be coated with a micro protective layer so as to prevent the gas diffusion layer from being corroded by active oxygen species generated within the oxygen electrode under the catalysis during water electrolysis operation.

Abstract: A powdered fuel cell includes current collectors, fuel chambers, porous membranes, electrolyte chambers and gas diffusion electrodes. The porous membranes pass oxide the formed from the reacted fuel through the holes thereof and block the unreacted powdered fuel; the electrolyte chambers provide the storage space for electrolyte so as to conduct ions and provide the collection space for the reacted oxide; and the gas diffusion electrodes, each has one side surface thereof for an oxidizing agent incoming and outgoing and catalyzed to acquire electron and ion conduction, wherein one of the current collectors and one of the gas diffusion electrodes are connected by posts, saving outer wires and being connected directly to the anode and the cathode as a loop. Thus, a power supply being capable of electricity conversion and storage and movable is realized.

Abstract: The process described herein provides a simple and cost effective method for making crack free, high density thin ceramic film. The steps involve depositing a layer of a ceramic material on a porous or dense substrate. The deposited layer is compacted and then the resultant laminate is sintered to achieve a higher density than would have been possible without the pre-firing compaction step.

Abstract: The present invention provides a carrier for a fuel cell including a cryogel-type carbon. A catalyst of the fuel cell includes the cryogel-type carbon and an active material. One of an anode and cathode of the fuel cell has the catalyst including cryogel-type carbon. The carrier for a fuel cell has excellent porosity, specific surface area, and density characteristics, and thus is capable of improving catalyst activity due to excellent catalyst-supporting efficiency, and thereby cell performance.

Abstract: To provide a membrane/electrode assembly for polymer electrolyte fuel cells, a polymer electrolyte fuel cell and processes for their production, which make it possible to stably exhibit a high power generation performance in various environments. A membrane/electrode assembly for polymer electrolyte fuel cells, which comprises a first electrode having a first catalyst layer and a first gas diffusion layer, a second electrode having a second catalyst layer and a second gas diffusion layer, and a polymer electrolyte membrane disposed between the first electrode and the second electrode, wherein the 90° peel strength at least one of the interface between the first electrode and the polymer electrolyte membrane and the interface between the second electrode and the polymer electrolyte membrane is at least 0.03 N/cm.

Abstract: A method of manufacturing metal nanoparticles by mixing a metal precursor with a solvent to prepare a mixed solution, and radiating the mixed solution with an ion beam to reduce the metal precursor and produce the metal nanoparticles. In addition, when metal nanoparticles are prepared by using an ion beam, uniform-sized metal nanoparticles can be mass produced.

Abstract: Separator-electrode assemblies (SEAs) comprising a porous electrode useful as a positive or negative electrode in a lithium battery and a separator layer applied to this electrode, the separator layer being an inorganic separator layer comprising at least two fractions of metal oxide particles different from each other in their average particle size and/or in the metal, and the electrode having active mass particles that are bonded together and to a current collector by an inorganic adhesive; and a process for their production.

Abstract: The present invention provides a novel production process by which unstable terminal groups can be sufficiently stabilized under mild conditions. The present invention is related to a method for producing an —SO3H group-containing fluoropolymer wherein a fluoropolymer to be treated having a —SO2X group-containing monomer unit (X representing F or Cl) is subjected to a procedure comprising at least the steps A, B and C defined below in that order: A: Step of reacting with a halogenating agent; B: Step of reacting with a decomposition treatment agent; C: Step of reacting with a fluorinating agent.

Abstract: Fuel oxidation facilitators for use in electrochemical devices are described, as well as devices incorporating facilitators and methods of their use. Exemplary facilitators separate a liquid anode of a fuel cell from fuel supplied to the fuel cell, and facilitate oxidation of the fuel.

Abstract: A direct fuel cell comprises a cathode comprising electroactive catalyst material; and an anode assembly comprising an anode having a porous layer and electroactive catalyst material in the porous layer. The electrode characteristics of the anode assembly are selected so that fuel supplied to the anode is reacted within the anode so that cross-over from the anode to the cathode does not have more than a 10% negative effect on voltage or a 25 mV voltage loss when at peak power and steady state conditions. The anode and cathode each have a first major surface facing each other in non-electrical contact and without a microporous separator or ion exchange membrane therebetween.

Abstract: A catalyst including: a plurality of porous clusters of silver particles, each cluster including: (a) a plurality of primary particles of silver, and (b) crystalline particles of zirconium oxide (ZrO2), wherein at least a portion of the crystalline particles of ZrO2 is located in pores formed by a surface of the plurality of primary particles of silver.

Abstract: Compositions, and methods of use thereof, for use as blood substitute products comprise aqueous mixtures of oxygen-carrying and non-oxygen carrying plasma expanders and methods for the use thereof. The oxygen-carrying component may consist of any hemoglobin-based oxygen carrier, while the non-oxygen carrying plasma expander my consist of any suitable diluent.

Abstract: A method of treating a mammal suffering from hemorrhagic shock or reducing hypotension secondary to hemorrhagic shock in a mammal suffering from hemorrhagic shock by administering intermolecularly- or intramolecularly-crosslinked stroma-free hemoglobin to the mammal.

Abstract: A PEM fuel cell having electrical contact elements comprising a corrosion-susceptible substrate metal coated with an electrically conductive, corrosion-resistant polymer containing a plurality of electrically conductive, corrosion-resistant filler particles. The substrate may have an oxidizable metal first layer (e.g., stainless steel) underlying the polymer coating.