Abstract: The fuel cell system of liquid fuel direct supply type includes an proton-conductive solid polymer film as an electrolyte, a cell part containing an anode and a cathode disposed to face each other with the proton-conductive solid polymer film intervening therebetween, a filter for removing metallic ions from a liquid fuel, a fuel supplying line for supplying the liquid fuel to the cell part through the filter, and an oxygen supplying line for supplying oxygen to the cell part, and the filter contains an inorganic ion exchange material.

Abstract: A proton conductive solid electrolyte includes a proton conductive inorganic oxide including an oxide carrier and oxide particles supported on a surface of the oxide carrier, the oxide carrier containing an element Y consisting of at least one element selected from the group consisting of Ti, Zr, Si and Al, and the oxide particles containing an element X consisting of at least one element selected from the group consisting of W, Mo, Cr and V.

Abstract: The carbon fibers of this invention is characterized in that irreducible inorganic material particles in a mean primary particle size below 500 nm and reducible inorganic material particles in a mean primary particle size below 500 nm were mixed by pulverizing and then, the mixture was heat treated under the reducing atmosphere and metal particles in a mean particle size below 1 ?m were obtained, and the mixed powder of the thus obtained metal particles with the irreducible inorganic material particles are included in the carbon fibers.

Abstract: 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.

Abstract: An anode for liquid fuel cell includes a current collector and a catalyst layer, in which the catalyst layer has a porosity in a range of 20 to 65%, and a volume of pores of which diameter ranges from 50 to 800 nm is 30% or more of a pore volume of the catalyst layer, the catalyst layer has a pore diameter distribution having a peak in a range of 100 to 800 nm, and the catalyst layer comprises fibrous supported catalysts and granular supported catalysts, the fibrous supported catalysts contain carbon nanofibers having a herringbone or platelet structure, and catalyst particles carried on the carbon nanofibers, and the granular supported catalysts contain carbon black particles and catalyst particles carried on the carbon black particles.

Abstract: Disclosed is an ion conductive film containing a composite body between an ion conductive polymer and a nitrogen-containing compound and a fuel cell including the composite body. The nitrogen-containing compound has an immobilized portion to the ion conductive polymer and exhibits a resonance structure when protonated. The nitrogen-containing compound having a resonance structure when protonated is capable of assuming a chemical structure in which the multiple bond represented by the double bond is moved, with the atoms constituting the molecule not changing their positions.

Abstract: 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.

Abstract: A fuel cell power generating apparatus comprises an electromotive section, a container, a methanol aqueous solution recovery mechanism, and flow rate controller controlling the flow rate Jm (mL/min) which controls the flow rate Jm (mL/min) at which the methanol aqueous solution is supplied from the container, in accordance with an evaluated concentration of the methanol aqueous solution in the container, wherein the fuel cell power generating apparatus satisfies conditions (1) to (3) given below: 2?Cm0?5??(1) L?40??(2) N·0.65/L·S?Jm?N·5.2/L·S??(3).

Abstract: The present invention provides a separator for fuel cell, containing an inorganic filler and a thermosetting resin, and having glass transition temperature of 20° C. or less and 100° C. or more, coefficient of thermal expansion at 20° C. of 0.4×10?5/° C. or more and 4×10?5/° C. or less, and bending modulus of elasticity at 20° C. of 5 GPa or more and 30 GPa or less.

Abstract: Disclosed is a proton conductive film for an electrolytic membrane for a fuel cell, the proton conductive film being a composite body comprising a proton conductive polymer and a polymer represented by general formula (1) given below, or a composite body comprising a proton conductive polymer and a copolymer between a polymer represented by general formula (1) and a metal oxide represented by general formula (2) given below: where, X represents a functional group having a nitrogen atom, A represents a substituted or unsubstituted divalent organic group, n is an integer, M is a metal selected from the group consisting of Ti, Zr, Al, B, Mo, W, Ru, Ir, Ge, Si and V, x is 1 or 2, and y is 2, 3, 4 or 5.

Abstract: This invention provides a fuel cell catalyst material containing catalyst particles having a composition substantially represented by

Abstract: This invention provides a fuel cell catalyst including a carbon support containing at least one first element selected from the group consisting of B, N, and P, and catalyst particles supported on the carbon support, wherein the catalyst particles include at least one of platinum particles and alloy particles containing Pt and an element A, and the element A contains at least one element selected from the group consisting of platinum group elements and period 4 to 6 transition metal elements.

Abstract: The invention is capable of suppressing drop of power in power generation for a long period of time, and suppressing discharge of harmful substances.

Abstract: The invention provides a method for inspecting a fuel cell that can simply inspect fuel cell characteristics.

Abstract: A method of forming a pattern which comprises the steps of, forming a matrix pattern on a work film, filling an opened space in the matrix pattern with a mask material layer containing at least one kind of a network carbon polymer having a repeating unit represented by the following general formulas (CP1) to (CP4) on the work film, forming a mask material pattern by removing the matrix pattern, and forming a work film pattern by transferring the mask material pattern to the work film: wherein R is halogen atom, hydrogen atom or a substituted or unsubstituted hydrocarbon group, A is a polyvalent organic group, and m, n and k denote respectively a positive integer.

Abstract: A fuel cell power generating apparatus comprises an electromotive section, a container, a methanol aqueous solution recovery mechanism, and flow rate controller controlling the flow rate Jm (mL/min) which controls the flow rate Jm (mL/min) at which the methanol aqueous solution is supplied from the container, in accordance with an evaluated concentration of the methanol aqueous solution in the container, wherein the fuel cell power generating apparatus satisfies conditions (1) to (3) given below:

Abstract: The present invention provides a electrode layer for fuel cells which is improved in the efficiency of a catalyst, the diffusion capability of fuel, the stabilization and the high output.

Abstract: 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.

Abstract: A monomer represented by the following general formula (m-1): wherein R is a group having an alicyclic skeleton, R2s may be the same or different and are individually hydrogen atom, halogen atom or monovalent organic group, X1 is a bivalent organic group containing a heteroatom, j is an integer of 0 to 3, and R1 is a group selected from the following groups, a monovalent organic group having Si (R1-1), and —(X2)k—R4—(X3)m—C(R6)3  (R1-2), wherein X2 and X3 are a bivalent organic group containing a heteroatom, k and m are an integer of 0 to 3, R4 is a bivalent alkyl group, R6s may be the same or different and are individually hydrogen atom, halogen atom or monovalent organic group.

Abstract: Disclosed is a proton conductive film for an electrolytic membrane for a fuel cell, the proton conductive film being a composite body comprising a proton conductive polymer and a polymer represented by general formula (1) given below, or a composite body comprising a proton conductive polymer and a copolymer between a polymer represented by general formula (1) and a metal oxide represented by general formula (2) given below: 1