Ilika Technologies Limited

Toyota Jidosha Kabushiki Kaisha

Toyota Motor Corporation

Johnson Matthey Public Limited Company

Johnson Matthey Fuel Cells Limited

Christopher Edward Lee

Brian Elliott Hayden

Chihiro Yada

Duncan Clifford Alan Smith

Thierry Le Gall

Shoji Yokoishi

Hiroshi Suyama

Laura Mary Perkins

Brian Elliot Hayden

Karen Marie Brace

Xiaojuan Lu

David Thompsett

Louise Turner

Lichun Chen

Samuel Guerin

Alexandros Anastasopoulos

David Michael Laughman

Mark Stephen Beal

Claire Mormiche

Gianfranco Aresta

Isabel Alexandra Domingues Tarroso Gomes

Kyle James Hutchings

Duncan C A Smith

Sergey Yakovlev

Duncan Smith

David Laughman

Karen Brace

A composite material for use as an electrode of an electrochemical cell comprises: a matrix that is provided by matrix particles that comprise an electrode active material; and a conductive fraction that is both electronically-conductive and ionically-conductive, the conductive fraction being provided by conductive particles that are distributed among the matrix particles. The conductive particles comprise either a material that is both ionically- and electronically-conductive; or a mixture of ionically-conductive particles and electronically-conductive particles, the electronically-conductive particles having a sphericity of at least 0.6. The conductive particles have a D90 value that is at least 10% of the D50 value of the matrix particles.

Composite material

A lithium borosilicate composition, consisting essentially of a system of lithium oxide in combination with silicon oxide and boron oxide, wherein said lithium borosilicate comprises between 70-83 atomic % lithium based on the combined atomic percentages of lithium, boron and silicon, and wherein said lithium borosilicate is a glass, is disclosed.

Lithium borosilicate glass as electrolyte and electrode protective layer

A vapour deposition method for preparing an amorphous lithium-containing oxide or oxynitride compound not containing phosphorous comprises providing a vapour source of each component element of the compound, including at least a source of lithium, a source of oxygen, a source of nitrogen in the case of an oxynitride compound, and a source or sources of one or more glass-forming elements; heating a substrate to substantially 180&#xb0; C. or above; and co-depositing the component elements from the vapour sources onto the heated substrate wherein the component elements react on the substrate to form the amorphous compound.

Vapour deposition method for preparing amorphous lithium-containing compounds

A vapor deposition method for preparing a multi-layered thin film structure comprises providing a vapor source of each component element of a compound intended for a first layer and a compound intended for a second layer, wherein the vapor 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 vapor 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&#xb0; C. or less from the first temperature; and co-depositing component elements from at least the vapor sources of lithium, oxygen and the one or more glass-forming elements onto the heated substrate wherein the component elements react on the substrate to form a layer of an amorphous lithium-containing oxide or oxynitride compound.

Vapour deposition method for fabricating lithium-containing thin film layered structures

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.

Vapour deposition process for the preparation of a phosphate compound

A main object of the present invention is to provide a Li&#x2014;La&#x2014;Ti&#x2014;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: Li(LaM1) (TiM2)O, wherein 'x' is 0&#x3c;x&#x3c;0.17; 'a' is 0&#x2266;a&#x2266;0.5; &#x201c;b&#x201d; is 0&#x2266;b&#x2266;0.5; &#x201c;M1&#x201d; is at least one selected from the group consisting of Sr, Na, Nd, Pr, Sm, Gd, Dy, Y, Eu, Tb, and Ba; and &#x201c;M2&#x201d; 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.

Solid electrolyte material, lithium battery, and method of producing solid electrolyte material

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: Li(LaM1)(TiM2)O, characterized in that 'x' is 0&#x3c;x&#x2266;1; 'a' is 0&#x2266;a&#x2266;2; &#x201c;b&#x201d; is 0&#x2266;b&#x2266;3; &#x201c;&#x3b4;&#x201d; is &#x2212;2&#x2266;&#x3b4;&#x2266;2; &#x201c;M1&#x201d; is at least one selected from the group consisting of Sr, Na, Nd, Pr, Sm, Gd, Dy, Y, Eu, Tb, and Ba; and &#x201c;M2&#x201d; 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.

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.

Vapour deposition process for the preparation of a chemical compound

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: Li(LaM1)(TiM2)O, characterized in that 'x', 'y', and &#x201c;z&#x201d; satisfy relations of x+y+z=1, 0.652&#x2266;x/(x+y+z)&#x2266;0.753, and 0.167&#x2266;y/(y+z)&#x2266;0.232; &#x201c;a&#x201d; is 0&#x2266;a&#x2266;1; &#x201c;b&#x201d; is 0&#x2266;b&#x2266;1; &#x201c;&#x3b4;&#x201d; is 0.8&#x2266;&#x3b4;&#x2266;1.2; &#x201c;M1&#x201d; is at least one selected from the group consisting of Sr, Na, Nd, Pr, Sm, Gd, Dy, Y, Eu, Tb, and Ba; and &#x201c;M2&#x201d; 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.

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: Li(LaM1)(TiM2)O, wherein 'x', 'y', and &#x201c;z&#x201d; satisfy relations of x+y+z=1, 0.850&#x2266;x/(x+y+z)&#x2266;0.930, and 0.087&#x2266;y/(y+z)&#x2266;0.115; &#x201c;a&#x201d; is 0&#x2266;a&#x2266;1; &#x201c;b&#x201d; is 0&#x2266;b&#x2266;1; &#x201c;&#x3b4;&#x201d; is 0.8&#x2266;&#x3b4;&#x2266;1.2; &#x201c;M1&#x201d; is at least one selected from the group consisting of Sr, Na, Nd, Pr, Sm, Gd, Dy, Y, Eu, Tb, and Ba; and &#x201c;M2&#x201d; 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.

A metal alloy catalyst for the oxygen reduction reaction in fuel cells is disclosed. The catalyst contains the metals Pd, M1 and M2. M1 and M2 are different metals selected from Co, Fe, Au, Cr and W, excluding the combination PdCoAu.

Metal alloy catalysts for fuel cell cathodes

An object of the present invention is to simplify the process of producing an electrode composite material. Disclosed is a method for producing an electrode composite material, comprising the steps of: preparing a material comprising Li, La, Ti and O and heating the material, wherein the composition ratio between Li, La and Ti of the material is in the range of a triangle having three vertices at LiO:LaO:TiO=23:24:53, LiO:LaO:TiO=5:36:59 and LiO:LaO:TiO=8:28:64 in the LiO&#x2014;LaO&#x2014;TiOtriangular diagram.

Method for producing electrode composite material

For the oxygen reduction reaction at the cathode of proton exchange membrane fuel cells, a metal alloy catalyst contains the metals Pd, M1 and M2 where M1 and M2 are different metals selected from Co, Fe, Au, Cr and W (but excluding the combination PdCoAu). Preferred ternary alloys for use as catalysts may be selected from PdCoCr, PdCoW, PdFeCr, PdFeW, PdCrW, PdWAu, PdCrAu, PdCoFe and PdFeAu. Compositional ranges that are specially effective are assessed by a high throughput physical vapor deposition method. Catalysts especially suitable for use in direct methanol fuel cells are identified.

A platinum alloy catalyst can be used as a fuel cell catalyst. The platinum alloy is a PtAuX alloy wherein X is one or more metals chosen from the group consisting of transition metals, and wherein the alloy contains 40-97% Pt, 1-40% Au and 2-20% X. Electrodes, catalysed membranes and membrane electrode assemblies comprising the catalyst are also disclosed.

Growing community of inventors

Southampton, United Kingdom

Christopher Edward Lee