摘要:
The processes include: a layer superposition step in which the step of sputtering or vapor-depositing a mixture layer including a first pore-forming metal and a catalyst metal on a substrate and the step of forming an interlayer of a second pore-forming metal or a fibrous-carbon interlayer are alternately conducted repeatedly two or more times to thereby form a multilayer structure containing mixture layers and interlayers; and a pore formation step in which after the layer superposition step, the multilayer structure is subjected to a pore formation treatment.
摘要:
There is provided a catalyst for a fuel cell, which simultaneously realizes excellent catalytic activity and catalytic stability. The catalyst for a fuel cell comprises a fine particle of a metal represented by formula: PtxRuySizT1u wherein T1 represents at least one element selected from the group consisting of nickel (Ni), tungsten (W), vanadium (V), and molybdenum (Mo); x=30 to 90 atomic %; y=0 to 50 atomic %; z=0.5 to 20 atomic %; and u=0.5 to 40 atomic %, or comprises a fine particle of a metal represented by formula: PtxRuySizT2u wherein T2 represents at least one element selected from the group consisting of hafnium (Hf), tin (Sn), zirconium (Zr), niobium (Nb), titanium (Ti), tantalum (Ta), chromium (Cr), and aluminum (Al); x=30 to 90 atomic %; y=0 to 50 atomic %; z=0.5 to 20 atomic %; and u=0.5 to 40 atomic %.
摘要翻译:提供了一种用于燃料电池的催化剂,其同时实现优异的催化活性和催化稳定性。 用于燃料电池的催化剂包括由式PtxRuySizT1u表示的金属微粒,其中T1表示选自镍(Ni),钨(W),钒(V)和钼(Mo)中的至少一种元素 ); x = 30〜90原子% y = 0〜50原子% z = 0.5〜20原子% 并且u = 0.5〜40原子%,或者包含由式PtxRuySizT2u表示的金属微粒,其中,T2表示选自铪(Hf),锡(Sn),锆(Zr), 铌(Nb),钛(Ti),钽(Ta),铬(Cr)和铝(Al); x = 30〜90原子% y = 0〜50原子% z = 0.5〜20原子% u = 0.5〜40原子%。
摘要:
A catalyst layer-supporting substrate includes a substrate and a catalyst layer. The catalyst layer includes a catalyst material and pores. The catalyst layer is formed on the substrate. The catalyst material has a layer or wire shape. A half-value width of a main peak of the catalyst material, as determined from X-ray diffraction spectrum of the catalyst layer, is 1.5° or more. A porosity of the catalyst layer is 30% or more.
摘要:
The invention provides a method for inspecting a fuel cell that can simply inspect fuel cell characteristics.The method is an inspecting method for a direct methanol fuel cell generator comprising an anode electrode including an node catalyst layer, a cathode electrode including a cathode catalyst layer, and N pieces of cells having an electrolyte disposed between the anode electrode and the cathode electrode, for power generation by feeding an aqueous methanol solution to the anode electrode and an oxidant gas to the cathode electrode. The fuel cell generator is inspected by measuring voltage changes of the voltage V of one electromotive unit caused by generating a current density change ΔI or −ΔI (mA/cm2) satisfying the condition of 0.2≦ΔI≦5 in a finite current density I (mA/cm2) loaded on the plural electromotive units arbitrarily connected in series in the fuel cell generator under power generation during a time interval Δt (sec) satisfying the condition of 10−5≦Δt≦0.5.
摘要:
The processes include: a layer superposition step in which the step of sputtering or vapor-depositing a mixture layer including a first pore-forming metal and a catalyst metal on a substrate and the step of forming an interlayer of a second pore-forming metal or a fibrous-carbon interlayer are alternately conducted repeatedly two or more times to thereby form a multilayer structure containing mixture layers and interlayers; and a pore formation step in which after the layer superposition step, the multilayer structure is subjected to a pore formation treatment.
摘要:
The present invention is to provide an electrolyte membrane for fuel cell of low fuel permeability and high proton conductivity and to provide a fuel cell comprising the electrolyte membrane.According to the present invention, a polymer membrane including repeating unit of five-membered heterocyclic rings is used as an electrolyte membrane of the fuel cell. The electrolyte membrane has high proton conductivity with free from moves of the fuel or water when the proton conducts in the electrolyte membrane.
摘要:
Disclosed is an ion conductive film containing a composite body between an ion conductive polymer and a nitrogen-containing compound. The nitrogen-containing compound has an immobilized portion to the ion conductive polymer and exhibits an enantiomeric isomer structure when protonated. Alternatively, the nitrogen-containing compound is capable of assuming a chemical structure in which the multiple bond represented by the double bound is moved, with the atoms constituting the molecule not changing their positions.
摘要:
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 oxidizer, a fuel container connected to the feed port of the anode passage, and a cathode recovery container connected to the discharge port of the cathode passage for collecting the fuel supplied to an electromotive force section, an unreacted oxidizer, an a product of battery reaction, the device further comprising at least a mechanism for achieving gas-liquid contact by making contact between the substance discharged from the cathode discharge port and water existing in the cathode recovery container, and a mechanism for feeding the aqueous solution collected in the cathode recovery container into the fuel container.
摘要:
A supporting method for supporting a metal particle including at least two elements on a surface of a plurality of granular supports in a decompression device, the supporting method supporting the metal particle whose particle diameter being smaller than a grain size of the granular support comprises holding the plurality of granular supports in a container and rotating a stirring device and/or the container, a stirring period in which the relative position among the plurality of granular supports are changed and a non-stirring period in which the relative position among the plurality of granular supports are not changed being altered by the rotating, wherein the decompression device comprises, an evaporation source for evaporating elements to form an alloy particle, the container for holding the plurality of granular supports in the decompression device so that a relative position among granular supports is able to be changed, a rotating device for rotating the container and the stirring device disposed in the container.
摘要:
There is provided a supported catalyst which has an excellent catalyst performance and is stable against highly concentrated methanol. The supported catalyst for a fuel cell electrode comprises a carrier and a catalytic metal supported on the carrier, characterized in that the carrier is hydrophilic and a metal oxide capable of accelerating proton conduction is provided on at least a part of the surface of the hydrophilic carrier.