Abstract: A vapour deposition method for preparing a multi-layered thin film structure comprises providing a vapour source of each component element of a compound intended for a first layer and a compound intended for a second layer, wherein the vapour sources comprise at least a source of lithium, a source of oxygen, a source or sources of one or more glass-forming elements, and a source or sources of one or more transition metals; heating a substrate to a first temperature; co-depositing component elements from at least the vapour sources of lithium, oxygen and the one or more transition metals onto the heated substrate wherein the component elements react on the substrate to form a layer of a crystalline lithium-containing transition metal oxide compound; heating the substrate to a second temperature within a temperature range of substantially 170° C.

Abstract: A catalyst for a fuel cell anode comprises an alloy of Pd and at least two other transition metals, at least one of which which binds to hydrogen and/or carbon monoxide at least as strongly as Pd does. Suitable transition metals which bind more strongly are Co, W, Ti, V, Cr, Fe, Mo, Nb, Hf, Ta, Zr and Re. PdCoW is the most preferred alloy. The catalyst is used on the anode of a hydrogen oxidising fuel cell, such as a PEMFC to catalyse the hydrogen oxidation reaction.

Abstract: A main object of the present invention is to provide a Li—La—Ti—O based solid electrolyte material having high Li ion conductivity in the crystal grain boundary. The present invention attains the object by providing solid electrolyte material represented by a general formula: Li3x(La(2/3?x)?aM1a) (Ti1?bM2b)O3, wherein “x” is 0<x<0.17; “a” is 0?a?0.5; “b” is 0?b?0.5; “M1” is at least one selected from the group consisting of Sr, Na, Nd, Pr, Sm, Gd, Dy, Y, Eu, Tb, and Ba; and “M2” is at least one selected from the group consisting of Mg, W, Mn, Al, Ge, Ru, Nb, Ta, Co, Zr, Hf, Fe, Cr, and Ga, and wherein the solid electrolyte material is a crystalline material, is in thin film form, and has a thickness of 250 nm to 850 nm.

Abstract: A mixed metal oxide material of tantalumand titanium is provided for use in a fuel cell. The material may comprise between 1 and 20 at. % tantalum. The mixed metal oxide may form the core of a core-shell composite material, used as a catalyst support, in which a catalyst such as platinum forms the shell. The catalyst may be applied as a single monolayer, and is preferably between 6.5 and 9.3 monolayers thick.

Abstract: A main object of the present invention is to provide a solid electrolyte material having excellent Li ion conductivity. To attain the object, the present invention provides a solid electrolyte material represented by a general formula: Lix(La2?aM1a)(Ti3?bM2b)O9+?, characterized in that “x” is 0<x?1; “a” is 0?a?2; “b” is 0?b?3; “?” is ?2???2; “M1” is at least one selected from the group consisting of Sr, Na, Nd, Pr, Sm, Gd, Dy, Y, Eu, Tb, and Ba; and “M2” is at least one selected from the group consisting of Mg, W, Mn, Al, Ge, Ru, Nb, Ta, Co, Zr, Hf, Fe, Cr, and Ga.

Abstract: A mixed metal oxide material of tungsten and titanium is provided for use in a fuel cell. The material may comprise less than approximately 30 at.% tungsten. The mixed metal oxide may form the core of a core-shell composite material, used as a catalyst support, in which a catalyst such as platinum forms the shell. The catalyst may be applied as a single monolayer, or up to 20 monolayers.

Abstract: A mixed metal oxide material of tin and titanium is provided for use in a fuel cell. The mixed metal oxide may form the core of a core-shell composite material, used as a catalyst support, in which a catalyst such as platinum forms the shell. The catalyst may be applied as a single monolayer, or up to 20 monolayers.

Abstract: A hydrogen fuel cell comprising: an anode; a cathode; an electrolyte; a source of a hydrogen-containing fuel for the fuel cell; and a source of an oxidant for the fuel cell; wherein the anode and, optionally, the cathode includes a catalyst comprising an alloy of the formula (I): PdxBiyMz??(I) wherein: M is one or more metals; x is 0.2 to 0.4; y is 0.6 to 0.8; z is not greater than 0.1; and x+y+z=1; is described. Catalysts and electrodes for hydrogen fuel cells comprising the alloy and electrochemical methods using the alloy catalysts are also described.

Abstract: The invention provides a hydrogen storage material consisting essentially of a hydride of lithium and magnesium, the material having the general formula: LixMgyHn wherein: (i) x is in the range of from 0.17 to 0.93; (ii) y is in the range of from 0.07 to 0.83; and (iii) n is not greater than (x+2y); with the proviso that n is not (x+2y) when (a) x=y; (b) x=2y or (c) 2x=y. Methods of producing the hydrogen storage material and its use to store hydrogen reversibly or irreversibly are also provided.

Abstract: A vapor deposition process for the preparation of a chemical compound, wherein the process comprises providing each component element of the chemical compound as a vapor, and co-depositing the component element vapors on a common substrate, wherein: the vapor of at least one component element is provided using a cracking source; the vapor of at least one other component element is provided using a plasma source; and at least one further component element vapor is provided; wherein the component elements react on the substrate to form the chemical compound.

Abstract: A main object of the present invention is to provide a solid electrolyte material having excellent Li ion conductivity. To attain the object, the present invention provides a solid electrolyte material represented by a general formula: Lix(La1-aM1a)y(Ti1-bM2b)zO?, characterized in that “x”, “y”, and “z” satisfy relations of x+y+z=1, 0.652?x/(x+y+z)?0.753, and 0.167?y/(y+z)?0.232; “a” is 0?a?1; “b” is 0?b?1; “?” is 0.8???1.2; “M1” is at least one selected from the group consisting of Sr, Na, Nd, Pr, Sm, Gd, Dy, Y, Eu, Tb, and Ba; and “M2” is at least one selected from the group consisting of Mg, W, Mn, Al, Ge, Ru, Nb, Ta, Co, Zr, Hf, Fe, Cr, and Ga.

Abstract: The present invention provides a vapour deposition process for the preparation of a phosphate compound, wherein the process comprises providing each component element of the phosphate compound as a vapour, and co-depositing the component element vapours on a common substrate, wherein the component elements react on the substrate to form the phosphate compound.

Abstract: The present invention concerns a core-shell composite material comprising: a core consisting of Nb-doped TiO2 of formula TiNbOx; and a shell consisting of a homogeneous layer of Pt or Pt alloy of 1 to 50 ML in thickness. The core-shell composite material may in particular find application in fuel cells.

Abstract: The present invention provides a vapour deposition process for the preparation of a chemical compound, wherein the process comprises providing each component element of the chemical compound as a vapour, and co-depositing the component element vapours on a common substrate, wherein: the vapour of at least one component element is provided using a cracking source; the vapour of at least one other component element is provided using a plasma source; and at least one further component element vapour is provided; wherein the component elements react on the substrate to form the chemical compound.

Abstract: An object of the present invention is to develop a support for PEMFC electrocatalyst with enhanced electrical conductivity and stability in acidic environment.

Abstract: An object of the present invention is to provide a solid electrolyte membrane which comprises Li3xLa2/3-xTiO3 (0.05?x?0.17) and has excellent ion conductivity. Disclosed is a method for producing a solid electrolyte membrane which comprises a solid electrolyte described by the composition formula Li3xLa2/3-xTiO3 (0.05?x?0.17), the method comprising the steps of: producing a gas phase material comprising lithium, lanthanum and titanium by converting into a gas phase at least one selected from the group consisting of a lithium metal, a lanthanum metal, a titanium metal, a lithium-lanthanum alloy, a lithium-titanium alloy, a lanthanum-titanium alloy and a lithium-lanthanum-titanium alloy, and depositing an Li3xLa2/3-xTiO3 (0.05?x?0.17) thin film on a substrate by a gas phase method for reacting the gas phase material with oxygen in a single element state.

Abstract: A doped hydrogen storage material according to the general formula: MgxByMzHn wherein: (i) the ratio of x/y is in the range of from 0.15 to 1.5; (ii) z is in the range of from 0.005 to 0.35; (iii) x+y+z equals 1; (iv) M=is one or more metals selected from the group of selected Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu and Zn; (v) n is no more than 4y; and wherein x/y does not equal 0.5 and at least part of the doped hydrogen storage material is amorphous. The doped hydrogen storage materials are used for storing hydrogen, and also disclosed is a method for reversibly desorbing and/or absorbing hydrogen.

Abstract: A hydrogen fuel cell comprising: an anode; a cathode; an electrolyte; means for supplying a hydrogen-containing fuel to the fuel cell; and means for supplying an oxidant to the fuel cell; wherein the anode and, optionally, the cathode includes a catalyst comprising an alloy of the formula (I): PdxBiyMz (I) wherein: M is one or more metals; x is 0.2 to 0.4; y is 0.6 to 0.8; z is not greater than 0.1; and x+y+z=1; is described. Catalysts and electrodes for hydrogen fuel cells comprising the alloy and electrochemical methods using the alloy catalysts are also described.

Abstract: A main object of the present invention is to provide a solid electrolyte material having excellent Li ion conductivity. To attain the object, the present invention provides a solid electrolyte material represented by a general formula: Lix(La2-aM1a)(Ti3-bM2b)O9+?, characterized in that “x” is 0<x?1; “a” is 0?a?2; “b” is 0?b?3; “?” is ?2???2; “M1” is at least one selected from the group consisting of Sr, Na, Nd, Pr, Sm, Gd, Dy, Y, Eu, Tb, and Ba; and “M2” is at least one selected from the group consisting of Mg, W, Mn, Al, Ge, Ru, Nb, Ta, Co, Zr, Hf, Fe, Cr, and Ga.

Abstract: A main object of the present invention is to provide a solid electrolyte material having excellent Li ion conductivity. To attain the object, the present invention provides a solid electrolyte material represented by a general formula: Lix(La1-aM1a)y(Ti1-bM2b)zO?, characterized in that “x”, “y”, and “z” satisfy relations of x+y+z=1, 0.652?x/(x+y+z)?0.753, and 0.167?y/(y+z)?0.232; “a” is 0?a?1; “b” is 0?b?1; “?” is 0.8???1.2; “M1” is at least one selected from the group consisting of Sr, Na, Nd, Pr, Sm, Gd, Dy, Y, Eu, Tb, and Ba; and “M2” is at least one selected from the group consisting of Mg, W, Mn, Al, Ge, Ru, Nb, Ta, Co, Zr, Hf, Fe, Cr, and Ga.