Abstract: The present invention provides a method of producing a lithium mixed metal oxide, a lithium mixed metal oxide and a nonaqueous electrolyte secondary battery. The method includes a step of calcining a mixture of one or more compounds of M wherein M is one or more elements selected from the group consisting of nickel, cobalt and manganese, and a lithium compound, in the presence of one or more inactive fluxes selected from the group consisting of a fluoride of A, a chloride of A, a carbonate of A, a sulfate of A, a nitrate of A, a phosphate of A, a hydroxide of A, a molybdate of A and a tungstate of A, wherein A is one or more elements selected from the group consisting of Na, K, Rb, Cs, Ca, Mg, Sr and Ba. The lithium mixed metal oxide contains nickel, cobalt and manganese, has a BET specific surface area of from 3 m2/g to 15 m2/g, and has an average particle diameter within a range of 0.1 ?m or more to less than 1 ?m, the diameter determined by a laser diffraction scattering method.

Abstract: There is provided a method for producing an active material for a nonaqueous secondary battery, including firing an adherend in which a compound containing an element A (at least one element selected from among B, Al, Ga, In, Si, Ge, Sn, Mg and transition metal elements) is adhered to a particle surface of a material capable of being doped and dedoped with lithium ions, in a water-containing atmosphere so that weight increasing rate of the adherend is in a range of 0.1% by weight or more and 5.0% by weight or less, and firing the adherend.

Abstract: Disclosed is a positive electrode active material for nonaqueous electrolyte secondary batteries which contains a complex oxide mainly containing sodium, nickel and a tetravalent metal while having a hexagonal structure. This positive electrode active material enables to obtain a nonaqueous electrolyte secondary battery with high operating voltage. The complex oxide is preferably expressed as Na[Na(1/3-2x/3)Ni(x-y)M(2/3-x/3-y)A2y]O2 (wherein M represents one or more tetravalent metals, A represents one or more trivalent metals, 0<x?0.5, 0?y<1/6, and x>y).

Abstract: A lithium mixed metal oxide comprising Ni, Mn and Fe and having a BET specific surface area of 2 m2/g or more and 30 m2/g or less. A method of producing a lithium mixed metal oxide, comprising bringing an aqueous solution containing Ni, Mn, Fe and Cl into contact with an alkali to obtain a coprecipitate, and calcining a mixture of the coprecipitate and a lithium compound by maintaining the mixture at a temperature of lower than 900° C. A positive electrode active material for nonaqueous electrolyte secondary battery, comprising the lithium mixed metal oxide described above or the lithium mixed metal oxide obtained by the method of producing a lithium mixed metal oxide described above as a main ingredient. A positive electrode for nonaqueous electrolyte secondary battery having the positive electrode active material for nonaqueous electrolyte secondary battery described above.

Abstract: The object of the present invention is to provide a method for producing simply a positive electrode active material which can further increase charge-discharge capacity of secondary batteries when the positive electrode active material is used for positive electrode of secondary batteries, particularly non-aqueous electrolyte secondary batteries. A method for producing a positive electrode active material includes the step of heat-treating a lithium mixed metal oxide represented by the formula Li2MO3 in the presence of a hydride wherein M is at least one element selected from the group consisting of Ti, V, Mn, Fe, Co and Ni.

Abstract: The present invention provides a method of producing a lithium mixed metal oxide, a lithium mixed metal oxide and a nonaqueous electrolyte secondary battery. The method includes a step of calcining a mixture of one or more compounds of M wherein M is one or more elements selected from the group consisting of nickel, cobalt and manganese, and a lithium compound, in the presence of one or more inactive fluxes selected from the group consisting of a fluoride of A, a chloride of A, a carbonate of A, a sulfate of A, a nitrate of A, a phosphate of A, a hydroxide of A, a molybdate of A and a tungstate of A, wherein A is one or more elements selected from the group consisting of Na, K, Rb, Cs, Ca, Mg, Sr and Ba. The lithium mixed metal oxide contains nickel, cobalt and manganese, has a BET specific surface area of from 3 m2/g to 15 m2/g, and has an average particle diameter within a range of 0.1 ?m or more to less than 1 ?m, the diameter determined by a laser diffraction scattering method.

Abstract: The present invention provides a method for recovering an oxide-containing battery material from a waste battery material. The recovery method includes steps (1) and (2) in this order: (1) a step of immersing a base taken out of the waste battery material and the base having an oxide-containing battery material, in a solvent that does not substantially dissolve the oxide, and stripping the battery material from the base thereby, and (2) a step of separating the battery material from the base.

Abstract: Disclosed are an electrode and a battery comprising the electrode. The electrode comprises a nano composite comprising nano particles capable of being oxidized and reduced and a carbonaceous material covering the nano particles.

Abstract: The present invention provides a positive-electrode active material powder, which comprises a granular material (A) capable of doping/dedoping lithium ions and a deposit (B) placed on the surface of the material in a granular or layered form (herein, the material (A) and the deposit (B) are not the same), the percentage of [volumetric sum of particles having a particle diameter of 1 ?m or less]/[volumetric sum of entire particles] being 5% or less.

Abstract: A nonaqueous electrolyte secondary battery comprising a positive electrode containing a granular positive electrode active material composed of a mixed metal oxide and an M3-containing compound (M3 represents one or more elements selected from the group consisting of Group 3B elements in the periodic table, and the M3-containing compound is different from said mixed metal oxide) placed in the form of particles or a layer on the surface of the mixed metal oxide, wherein the positive electrode active material has M1 (M1 represents one or more elements selected from the group consisting of alkali metal elements), M2 (M2 represents one or more elements selected from the group consisting of Mn, Fe, Co and Ni), M3 (M3 has the same meaning as that described above) and O on its surface, and when the molar ratio (M3/M2) of the number of M3 atoms (mol) to the number of M2 atoms (mol) on the surface of the positive electrode active material is represented by A and the BET specific surface area of the positive electro

Abstract: A lithium mixed metal oxide comprising Ni, Mn and Fe and having a BET specific surface area of 2 m2/g or more and 30 m2/g or less. A method of producing a lithium mixed metal oxide, comprising bringing an aqueous solution containing Ni, Mn, Fe and Cl into contact with an alkali to obtain a coprecipitate, and calcining a mixture of the coprecipitate and a lithium compound by maintaining the mixture at a temperature of lower than 900° C. A positive electrode active material for nonaqueous electrolyte secondary battery, comprising the lithium mixed metal oxide described above or the lithium mixed metal oxide obtained by the method of producing a lithium mixed metal oxide described above as a main ingredient. A positive electrode for nonaqueous electrolyte secondary battery having the positive electrode active material for nonaqueous electrolyte secondary battery described above. A nonaqueous electrolyte secondary battery having the positive electrode for nonaqueous electrolyte secondary battery described above.

Abstract: A positive electrode active material for a non-aqueous electrode secondary cell which comprises a composite oxide containing iron and sodium as main components, having a hexagonal crystal structure, and exhibiting a value obtained by dividing the intensity of a peak corresponding to an interplanar spacing of 2.20 ? by the intensity of a peak corresponding to an interplanar spacing of 5.36 ? of 2 or less in the X-ray diffraction analysis of said composite oxide; and a method for preparing the positive electrode active material wherein the above composite oxide is prepared by heating a metal compound mixture mainly containing a sodium compound and an iron compound in the temperature range of 400 to 900° C., which comprises heating the metal compound mixture in an inert atmosphere in the temperature range of less than 100° C. on the way of the rise in the temperature.

Abstract: The object of the present invention is to provide a method for producing simply a positive electrode active material which can further increase charge-discharge capacity of secondary batteries when the positive electrode active material is used for positive electrode of secondary batteries, particularly non-aqueous electrolyte secondary batteries. A method for producing a positive electrode active material includes the step of heat-treating a lithium mixed metal oxide represented by the formula Li2MO3 in the presence of a hydride wherein M is at least one element selected from the group consisting of Ti, V, Mn, Fe, Co and Ni.

Abstract: The present invention relates to an electrode for an electrochemical energy storage device. The electrode comprises a nano-structured hollow carbonaceous material and the nano-structured hollow carbonaceous material preferably meets a requirement (A). (A) the nano-structured hollow carbonaceous material has a carbonaceous material portion and a hollow portion, and has such a structure that the hollow portion is covered with the carbonaceous material portion in a saclike shape, a part of the structure, or an aggregate of the structure.

Abstract: A thermoelectric conversion module includes a substrate and a plurality of thermoelectric conversion devices arranged on the surface of the substrate. The substrate is provided with a through hole formed to extend through the surface and the back thereof, and the thermoelectric conversion devices are arranged on at least one of the surface and the back of the substrate so as to enclose the through hole. The thermoelectric conversion device includes the thermoelectric conversion module, and a tube arranged to extend through the through hole of the thermoelectric conversion module and to allow a hot medium or a cold medium to flow therethrough. A method for manufacturing a thermoelectric conversion module includes a step of arranging a plurality of thermoelectric conversion devices on at least one of the surface and the back of a substrate having a through hole extending through the surface and the back thereof so as to enclose the through hole.

Abstract: There is provided a simple and easy method of preparation of a positive electrode active material for a non-aqueous secondary battery which comprises a compound comprising lithium, nickel and manganese and having a layered structure. Said method comprises firing a mixture of (1) at least one member selected from the group consisting of dinickel trioxide and boron compounds and (2) one or more metal compounds comprising lithium, nickel and manganese as their metal elements.

Abstract: Provided is an electrode material for non-aqueous secondary batteries which comprises an active material coated with a coating material containing a coating compound comprising Al and O, where peaks of 27Al of solid NMR measured by spinning a sample of the coating material about a magic angle axis satisfy specific conditions, and a non-aqueous secondary battery containing the electrode material is further provided.

Abstract: There is provided a method for producing an active material for a nonaqueous secondary battery, including firing an adherend in which a compound containing an element A (at least one element selected from among B, Al, Ga, In, Si, Ge, Sn, Mg and transition metal elements) is adhered to a particle surface of a material capable of being doped and dedoped with lithium ions, in a water-containing atmosphere so that weight increasing rate of the adherend is in a range of 0.1% by weight or more and 5.0% by weight or less, and firing the adherend.

Abstract: There is provided a simple and easy method of preparation of a positive electrode active material for a non-aqueous secondary battery which comprises a compound comprising lithium, nickel and manganese and having a layered structure. Said method comprises firing a mixture of (1) at least one member selected from the group consisting of dinickel trioxide and boron compounds and (2) one or more metal compounds comprising lithium, nickel and manganese as their metal elements.