Abstract: It is desired to develop a method of producing hydrogen peroxide, which is capable of producing hydrogen peroxide with high production efficiency. According to the present invention, provided is a palladium-containing composition comprising palladium particles and a coating agent that coats the surface of the palladium particles, wherein a compound having an O?X structure (wherein X represents any of a phosphorus atom, a sulfur atom, and a carbon atom) is comprised as the coating agent.

Abstract: It is desired to develop a method of producing hydrogen peroxide, which is capable of producing hydrogen peroxide with high production efficiency. According to the present invention, provided is a palladium-containing composition comprising palladium particles and a coating agent that coats the surface of the palladium particles, wherein a compound having an O?X structure (wherein X represents any of a phosphorus atom, a sulfur atom, and a carbon atom) is comprised as the coating agent.

Abstract: An electrode for a power storage device includes a non-woven fabric current collector that comprises short fibers of aluminum or copper having an average length of 25 mm or less; and adsorbent material powder on which electrolyte ions are adsorbed during charging or active material powder which chemically react during charging and discharging, where the powder exists in the gaps formed between the short fibers of the non-woven fabric current collector.

Abstract: It is desired to develop a method of producing hydrogen peroxide, which is capable of producing hydrogen peroxide with high production efficiency. According to the present invention, provided is a palladium-containing composition comprising palladium particles and a coating agent that coats the surface of the palladium particles, wherein a compound having an O?X structure (wherein X represents any of a phosphorus atom, a sulfur atom, and a carbon atom) is comprised as the coating agent.

Abstract: An electrode for a power storage device includes a non-woven fabric current collector that comprises short fibers of aluminum or copper having an average length of 25 mm or less; and adsorbent material powder on which electrolyte ions are adsorbed during charging or active material powder which chemically react during charging and discharging, where the powder exists in the gaps formed between the short fibers of the non-woven fabric current collector.

Abstract: Provided are a membrane electrode assembly, including a solid electrolyte layer, an anode layer provided on one side of the solid electrolyte layer, and a cathode layer provided on the other side of the solid electrolyte layer, the anode layer being stacked on the solid electrolyte layer to be pressed thereagainst, the anode layer including a porous anode member having electrical conductivity; and a method for manufacturing the same.

Abstract: An object of the present invention is to provide a method by which hydrogen peroxide can be produced at a satisfactory level from an industrial and economical viewpoint without causing the load of purification to be large and without needing too large facilities for production. The present invention is directed to a method for producing hydrogen peroxide, which comprises reacting hydrogen and oxygen in a reaction medium in the presence of a noble metal catalyst and a radical scavenger.

Abstract: To provide a nonaqueous electrolytic capacitor element, which contains: a positive electrode containing a positive electrode active material capable of intercalating or deintercalating anions; a negative electrode containing a negative electrode active material; and a nonaqueous electrolyte, which contains a nonaqueous solvent, an electrolyte salt containing a halogen atom, and a compound having a site capable of bonding to an anion containing a halogen atom.

Abstract: A self-contained energy supply facility can supply an automotive hydrogen fuel that has been produced by utilizing solar energy, and can also supply electrical energy for an electric vehicle that has been produced by utilizing solar energy.

Abstract: Provided are a membrane electrode assembly, including a solid electrolyte layer, an anode layer provided on one side of the solid electrolyte layer, and a cathode layer provided on the other side of the solid electrolyte layer, the anode layer being stacked on the solid electrolyte layer to be pressed thereagainst, the anode layer including a porous anode member having electrical conductivity; and a method for manufacturing the same.

Abstract: To provide a non-aqueous electrolyte storage element including a positive electrode containing a positive electrode active material capable of inserting and eliminating anions, a negative electrode containing a negative electrode active material capable of inserting and eliminating cations, and a non-aqueous electrolyte prepared by dissolving an electrolyte salt in a non-aqueous solvent, wherein the positive electrode active material contains a carbon material, where a distance between (002) planes, d(002), of the carbon material as measured by X-ray diffraction is 0.340 nm or greater but 0.360 nm or less, and the carbon material has a BET specific surface area of greater than 1 m2/g but smaller than 30 m2/g, and the negative electrode active material contains a material capable of inserting and eliminating lithium ions.

Abstract: There is provided a lithium-air secondary cell having an air electrode, a negative electrode containing metal lithium or a lithium-containing material and a gel-form solid electrolyte, wherein the gel-form solid electrolyte contains a solid electrolyte salt, a solvent, and a specific lipid peptide-type gelator composed.

Abstract: To provide a nonaqueous electrolytic capacitor element, which contains: a positive electrode containing a positive electrode active material capable of intercalating or deintercalating anions; a negative electrode containing a negative electrode active material; and a nonaqueous electrolyte, which contains a nonaqueous solvent, an electrolyte salt containing a halogen atom, and a compound having a site capable of bonding to an anion containing a halogen atom.

Abstract: To provide a non-aqueous electrolyte storage element, including: a positive electrode which includes a positive-electrode active material capable of intercalating or deintercalating anions; a negative electrode which includes a negative-electrode active material capable of storing or releasing metallic lithium or lithium ion, or both thereof; a first separator between the positive electrode and the negative electrode; and a non-aqueous electrolyte which includes a non-aqueous solvent and a lithium salt dissolved in the non-aqueous solvent, wherein the non-aqueous electrolyte storage element includes a solid lithium salt at 25° C. and a discharge voltage of 4.0 V, wherein the non-aqueous electrolyte storage element includes an ion-exchange membrane between the first separator and the positive electrode, between the first separator and the negative electrode, or between the first separator and the positive electrode and between the first separator and the negative electrode.

Abstract: An object of the present invention is to provide a method by which hydrogen peroxide can be produced at a satisfactory level from an industrial and economical viewpoint without causing the load of purification to be large and without needing too large facilities for production. The present invention is directed to a method for producing hydrogen peroxide, which comprises reacting hydrogen and oxygen in a reaction medium in the presence of a noble metal catalyst and a radical scavenger.

Abstract: There is provided a lithium-air secondary cell having an air electrode, a negative electrode containing metal lithium or a lithium-containing material and a gel-form solid electrolyte, wherein the gel-form solid electrolyte contains a solid electrolyte salt, a solvent, and a specific lipid peptide-type gelator composed.

Abstract: To provide a nonaqueous electrolyte secondary battery, containing: a positive electrode, which contains a positive electrode active material capable of inserting and detaching anions; a negative electrode, which contains a negative electrode active material capable of accumulating and releasing metal lithium, or lithium ions, or both thereof; and a nonaqueous electrolyte formed by dissolving a lithium salt in a nonaqueous solvent, wherein the nonaqueous electrolyte secondary battery contains a solid lithium salt at 25° C., and discharge voltage of 4.0 V.

Abstract: A proton conductive electrolyte (20) is made of AB(1-x)MxO3 structure perovskite, and is characterized in that: the B is Ce; the M is a metal having valence that is smaller than +4; and an average of an ion radius of the M is less than an ion radius of Tm3+ and more than 56.4 pm.

Abstract: To provide a non-aqueous electrolyte storage element, including: a positive electrode which includes a positive-electrode active material capable of intercalating or deintercalating anions; a negative electrode which includes a negative-electrode active material capable of storing or releasing metallic lithium or lithium ion, or both thereof, a first separator between the positive electrode and the negative electrode; and a non-aqueous electrolyte which includes a non-aqueous solvent and a lithium salt dissolved in the non-aqueous solvent, wherein the non-aqueous electrolyte storage element includes a solid lithium salt at 25° C. and a discharge voltage of 4.0V, wherein the non-aqueous electrolyte storage element includes an ion-exchange membrane between the first separator and the positive electrode, between the first separator and the negative electrode, or between the first separator and the positive electrode and between the first separator and the negative electrode.

Abstract: An electrolyte membrane for electrochemical cells, that has oxide ion permeability properties, and methods for producing the same, is made of an oxide ion conductor having a component composition expressed by a general formula: La1-XSrXGa1-YMgYO3 (where X=0.05 to 0.3, and Y=0.025 to 0.3), and having a perovskite type crystal structure, wherein the electrolyte membrane has a thickness of 1 to 10 ?m and a columnar crystal structure grown to a membrane surface in a direction perpendicular to a membrane face, and wherein the perovskite type crystal structure of the electrolyte membrane having the columnar crystal structure grown to the membrane surface, has a crystal structure with [112] direction oriented perpendicularly to the membrane face.