Abstract: 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 LiO0.5:LaO1.5:TiO2=23:24:53, LiO0.5:LaO1.5:TiO2=5:36:59 and LiO0.5:LaO1.5:TiO2=8:28:64 in the LiO0.5—LaO1.5—TiO2 triangular diagram.

Abstract: A secondary battery is provided with a positive electrode active material layer a containing a positive electrode active material, a negative electrode active material layer containing a negative electrode active material, an electrolyte layer formed between the positive electrode active material layer and the negative electrode active material layer, and a modification material disposed at an interface between an electrolyte material and at least one electrode active material among the positive electrode active material and the negative electrode active material, and having a higher relative permittivity than the relative permittivity of the electrolyte material.

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 battery sintered body, in which charge-discharge properties are restrained from deteriorating in accordance with sintering, and a producing method thereof. A battery sintered body includes: a phosphate compound of a nasicon type as a solid electrolyte material; and any one of an oxide of a spinel type containing at least one of Ni and Mn, LiCoO2 and a transition metal oxide as an active material, wherein a component except a component of the above-mentioned solid electrolyte material and a component of the above-mentioned active material is not detected on an interface between the above-mentioned solid electrolyte material and the above-mentioned active material in analyzing by an X-ray diffraction method.

Abstract: Disclosed are an inexpensive all-solid-state lithium battery and a group of batteries having a small internal resistance. The electrode active material of the battery is formed on the surface of a solid electrolyte (it may be a crystal or a glass material) containing lithium ion such as Li3.4V0.6Si0.4O4 and a Li—Ti—Al—P—O based glass material by exerting ion impact, high voltage application (e.g., about 400 V) and the like on the surface to react it. The resultant battery comprises the solid electrolyte and an electrode active material composed of a decomposition product of the solid electrolyte and provided on at least one side of the solid electrolyte. One obtainable by accumulating a plurality of the batteries serves as a group of batteries.

Abstract: The present invention provides a method for producing a ceramic laminate capable of preventing coming-off of materials and warpage of the ceramic laminate by a heat treatment at a relatively-low temperature, and a ceramic laminate produced by the production method. Disclosed is a method for producing a ceramic laminate having a layer structure in which two or more layers are laminated, including: a step of producing a laminate including a first layer and a second layer, the first layer containing a solid electrolyte and the second layer containing at least composite particles obtained by covering an electrode active material with the solid electrolyte; and a step of performing a heat treatment on the laminate including the first and second layers at a temperature of 500° C. or more and less than 700° C.

Abstract: 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 LiO0.5:LaO1.5:TiO2=23:24:53, LiO0.5:LaO1.5:TiO2=5:36:59 and LiO0.5:LaO1.5:TiO2=8:28:64 in the LiO0.5—LaO1.5—TiO2 triangular diagram.

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: 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?, wherein “x”, “y”, and “z” satisfy relations of x+y+z=1, 0.850?x/(x+y+z)?0.930, and 0.087?y/(y+z)?0.115; “a” is 0?a?1; “b” is 0?b?1; “67 ” 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: 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 non-aqueous electrolyte secondary battery having a positive electrode (11) containing a positive electrode active material, a negative electrode (12) containing a negative electrode active material, and a non-aqueous electrolyte solution (14) in which a solute is dissolved in a non-aqueous solvent. The positive electrode active material is obtained by sintering a titanium-containing oxide on a surface of a layered lithium-containing transition metal oxide represented by the general formula Li1+xNiaMnbCocO2+d, where x, a, b, c, and d satisfy the conditions x+a+b+c=1, 0.7?a+b, 0<x?0.1, 0?c/(a+b)<0.35, 0.7?a/b?2.0, and ?0.1?d?0.1.

Abstract: A non-aqueous electrolyte secondary battery using lithium-containing transition metal composite oxide which has a layer structure, contains a lot of Ni and Mn and is inexpensive as a positive electrode active material and attaining high output characteristics even under low temperature environment is provided. The non-aqueous electrolyte secondary battery includes a positive electrode 11 containing a positive electrode active material, a negative electrode 12 containing a negative electrode active material and a non-aqueous electrolyte 14 having lithium ion conductivity, wherein lithium-containing transition metal composite oxide having a layer structure and being represented by a general formula Li1+xNiaMnbCocO2+d wherein x, a, b, c and d satisfy x+a+b+c=1, 0.25?a?0.60, 0.25?b?0.60, 0?c?0.40, 0?x?0.10, 0.7?a/b?2.0 and ?0.1?d?0.

Abstract: A non-aqueous electrolyte secondary battery has a positive electrode (11) containing a positive electrode active material, a negative electrode (12) containing a negative electrode active material, and a non-aqueous electrolyte solution (14) in which a solute is dissolved in a non-aqueous solvent. The positive electrode active material is obtained by sintering a titanium-containing oxide on a surface of a layered lithium-containing transition metal oxide represented by the general formula Li1+xNiaMnbCocO2+d, where x, a, b, c, and d satisfy the conditions x+a+b+c=1, 0.7?a+b, 0?x?0.1, 0?c/(a+b)<0.35, 0.7?a/b?2.0, and ?0.1?d?0.1.

Abstract: A non-aqueous electrolyte secondary battery includes: a positive electrode containing a positive electrode active material, a negative electrode containing a negative electrode active material; and a non-aqueous electrolyte having lithium ion conductivity. The positive electrode includes a lithium-containing transition metal oxide having a layered structure and being represented by the general formula Li1+x(NiaMnbCoc)O2+?, where x+a+b+c=1, 0.7?a+b, 0?x?0.1, 0?c/(a+b)<0.35, 0.7?a/b?2.0, and ?0.1???0.1. The non-aqueous electrolyte contains a lithium salt having an oxalato complex as an anion.

Abstract: A non-aqueous electrolyte secondary battery has a positive electrode (11) containing a positive electrode active material capable of intercalating and deintercalating lithium ions; a negative electrode (12); and a non-aqueous electrolyte (14). The positive electrode active material contains LibFePO4, where 0?b<1, and a lithium-containing metal oxide represented by the general formula LixNiyMnzMaO2, where M is at least one element selected from the group consisting of Na, K, B, F, Mg, Al, Ti, Co, Cr, V, Fe, Cu, Zn, Nb, Mo, Zr, Sn, and W, and where x, y, z, and a satisfy the following conditions 1<x<1.3, 0<y?1, 0<z?1, y<z, and 0?a.

Abstract: A non-aqueous electrolyte secondary battery includes: a positive electrode comprising a positive electrode active material capable of intercalating and deintercalating lithium ions; a negative electrode; and a non-aqueous electrolyte. The positive electrode active material contains LibFePO4, where 0?b<1, and a layered lithium-containing metal oxide represented by the general formula LixCoyMzO2, where M is at least one element selected from the group consisting of Na, K, B, F, Mg, Al, Ti, V, Cr, Mn, Fe, Ni, Cu, Zn, Nb, Mo, Zr, Sn, and W, and where x, y, and z satisfy the conditions 1?x<1.3, 0<y?1, and 0?z<1.

Abstract: Disclosed are an inexpensive all-solid-state lithium battery and a group of batteries having a small internal resistance. The electrode active material of the battery is formed on the surface of a solid electrolyte (it may be a crystal or a glass material) containing lithium ion such as Li3.4V0.6Si0.4O4 and a Li—Ti—Al—P—O based glass material by exerting ion impact, high voltage application (e.g., about 400 V) and the like on the surface to react it. The resultant battery comprises the solid electrolyte and an electrode active material composed of a decomposition product of the solid electrolyte and provided on at least one side of the solid electrolyte. One obtainable by accumulating a plurality of the batteries serves as a group of batteries.