Abstract: This positive electrode active material for a non-aqueous electrolyte secondary battery contains a lithium transition metal complex oxide capable of occluding and releasing Li. The lithium transition metal complex oxide is represented by general formula LixM1yOzFw (in the formula, 0.5 ? × < 3.1, 1 ? y ? 2, 2 ? z+w ? 4, and M1 is at least one element selected from Ni, Co, Mn, Ti, Fe, Al, Ge, Si, and Nb), and M2 (M2 being at least one element selected from Ca, Sr, Sc, Er, Y, Zr, and W) is included in the interior of secondary particles of the lithium transition metal complex oxide.

Abstract: This positive electrode active material for a non-aqueous electrolyte secondary battery contains a lithium transition metal complex oxide capable of occluding and releasing Li, and contains SrMnO3 in the interior or exterior of secondary particles of the lithium transition metal complex oxide.

Abstract: A positive electrode for a secondary battery includes a positive electrode current collector and a positive electrode active material layer that contains a positive electrode active material particle and that is disposed on the surface of the positive electrode current collector. The positive electrode active material particle includes a positive electrode active material particle, a first coating that contains oxide X of metal element M1 and that is attached to the surface of the positive electrode active material particle, and a second coating having lithium-ion permeability that is attached to the surface of the first coating. The second coating contains oxide Y represented by LixM2Oy (0.5?x<4, 1?y<6), M2 being at least one selected from a group consisting of B, Al, Si, P, S, Ti, V, Zr, Nb, Ta, and La.

Abstract: This positive electrode active material for nonaqueous electrolyte secondary batteries includes a lithium transition metal complex oxide that has a spinel structure and that is represented by general formula Li1+?Ni0.5-xMn1.5-y-zGeyMx+zO4 (in the formula, 0??<0.2, 0?x<0.2, 0<y<0.45, and 0?z<0.2 are satisfied, and M represents at least one element selected from the group consisting of Mg, Al, Sc, Ti, Cr, V, Fe, and Co). In a secondary particle of the lithium transition metal complex oxide, the mole number (Gesurf) of Ge at the surface portion when the total number of moles of metal elements other than Li is defined as 2 is larger than the mole number (Gebulk) of Ge at the center portion when the total number of moles of metal elements other than Li is defined as 2.

Abstract: A secondary battery including a positive electrode, a negative electrode, and an electrolytic solution. The negative electrode includes a carbon material electrochemically capable of absorbing and releasing lithium ions, and a solid electrolyte covering at least part of a surface of the carbon material and having lithium ion conductivity. The solid electrolyte includes a first compound represented by a general formula: LixM1Oy, where 0.5<x?9, 1?y<6, and the M1 includes at least one element selected from the group consisting of B, Al, Si, P, Ti, V, Zr, Nb, Ta, and La. The electrolytic solution includes a solvent and a lithium salt, and the solvent contains at least water.

Abstract: A positive electrode active material for nonaqueous electrolyte secondary batteries according to the present invention comprises: a lithium transition metal composite oxide which has a spinel structure; and a coating layer which is provided on the surface of the lithium transition metal composite oxide, while having a spinel structure, and which contains Li but does not contain Mn.

Abstract: A positive electrode active material for a secondary battery according to an embodiment contains: a first composite oxide component represented by general formula Li?[LixMnyCozMe(1?x?y?z)]O2 (in the formula, Me is at least one selected from among Ni Fe, Ti, Bi, Nb, W, Mo, and Ta, 0.5<?<0.85, 0.05<x<0.2, 0.4<y<0.75, and 0<z<0.25), and having at least one crystal structure selected from among O2, T2, and O6 structures; and a second composite oxide component represented by general formula LiaMObAc (in the formula, M is at least one selected from among Ni, Co, Mn, Fe, Cu, Ti, Nb, Al, Ga, Bi, Zr, Ce, Y, W, Ta, Sn, Ca, Ba, and Na, A is at least one selected from among F, Cl, and S, 1.3<a<7, 2?b<5, and 0?c?0.3).

Abstract: This lithium transition metal composite oxide, which configures a secondary battery positive electrode active material, is a composite oxide represented by general formula Li?[LixMnyCozMe(1-x-y-z)]O2 (in the formula, Me is at least one species selected from Ni, Fe, Ti, Bi and Nb, and 0.5<?<1, 0.05<x<0.25, 0.4<y<0.7, and 0<z<0.25), and has at least one crystal structure selected from the O2 structure, the T2 structure and the O6 structure. The ratio (Co2/Co1) of the Co molar fraction (Co2) in the surface of the oxide to the Co molar fraction (Co1) in the entire lithium transition metal composite oxide is 1.2<(Co2/Co1)<6.0.

Abstract: A positive electrode active material for a non-aqueous electrolyte secondary battery contains a lithium-nickel-manganese-containing composite oxide which is represented by composition formula LixNiyMnzMe1-y-zO2 (where Me is a metal element other than Li, Ni, and Mn, x?1.16, 0.3?y?0.7, and 0.3?z?0.7), has a layered structure belonging to space group R-3m, and has a diffraction peak at 2? in the range of greater than or equal to 65° and less than or equal to 67° in an X-ray diffraction pattern when charging and discharging are performed until the charge voltage reaches 4.8 V.

Abstract: A method for producing a negative electrode for a nonaqueous electrolyte secondary battery, and a nonaqueous electrolyte secondary battery obtained therewith are disclosed. The negative electrode includes a negative electrode current collector, a negative electrode active material layer provided on the surface of the negative electrode current collector, and a first film which has lithium ion permeability and which coats at least a portion of the surface of the negative electrode active material layer and partially coats the surface of the negative electrode current collector. The first film preferably contains a first lithium compound containing an element M1, an element A1, and lithium. Herein, M1 is at least one selected from the group consisting of P, Si, B, V, Nb, W, Ti, Zr, Al, Ba, La, and Ta; and A1 is at least one selected from the group consisting of F, S, O, N, and Br.

Abstract: Provided is a positive electrode active material including a first lithium oxide represented by Li2+xNi1?yA1yO2?zA2z, where ?0.5?x?0.3, 0?y?0.1, and 0?z?0.3. Here, at least one of y and z is not 0. A1 includes at least one selected from the group consisting of Ga, Bi, Ba, Y, Sn, Ca, W, and Ta. A2 includes at least one selected from the group consisting of halogen elements and S.

Abstract: A positive electrode material for secondary batteries, the material including a Li-rich transition metal oxide having a lithium-to-oxygen atomic ratio: Li/O of 0.8 or more, and a dicarboxylic acid and/or an anhydride of the dicarboxylic acid.

Abstract: A negative electrode for a nonaqueous electrolyte secondary battery includes a negative electrode current collector, a negative electrode active material layer provided on the surface of the negative electrode current collector, and a first film which has lithium ion permeability and which coats at least a portion of the surface of the negative electrode active material layer and partially coats the surface of the negative electrode current collector. The first film preferably contains a first lithium compound containing an element M1, an element A1, and lithium. Herein, M1 is at least one selected from the group consisting of P, Si, B, V, Nb, W, Ti, Zr, Al, Ba, La, and Ta; and A1 is at least one selected from the group consisting of F, S, O, N, and Br.

Abstract: A nonaqueous electrolyte secondary battery includes a positive electrode, a negative electrode, and a nonaqueous electrolyte having a lithium ion conductivity, and the negative electrode includes a negative electrode collector, a negative electrode active material layer provided on a surface of the negative electrode collector, and a coating film which at least partially covers a surface of the negative electrode active material layer and which has a lithium ion permeability. The coating film contains a lithium compound which contains an element M, an element A, an element F, and lithium; the element M is at least one selected from the group consisting of P, Si, B, V, Nb, W, Ti, Zr, Al, Ba, La, and Ta; and the element A is at least one selected from the group consisting of S, O, N, and Br.

Abstract: An aqueous rechargeable battery includes: a positive electrode including a positive electrode current collector and a positive electrode active material layer provided on a surface of the positive electrode current collector; a negative electrode including a negative electrode current collector and a negative electrode active material layer provided on a surface of the negative electrode current collector; and an aqueous electrolyte solution containing a lithium salt and water. The positive electrode active material layer contains one or more positive electrode active materials and one or more lithium ion-conducting solid electrolytes; and the positive electrode active materials include a lithium transition metal oxide.

Abstract: A positive electrode for a secondary battery includes a positive electrode current collector and a positive electrode active material layer that contains a positive electrode active material particle and that is disposed on the surface of the positive electrode current collector. The positive electrode active material particle includes a positive electrode active material particle, a first coating that contains oxide X of metal element M1 and that is attached to the surface of the positive electrode active material particle, and a second coating having lithium-ion permeability that is attached to the surface of the first coating. The second coating contains oxide Y represented by LixM2Oy (0.5?x<4, 1?y<6), M2 being at least one selected from a group consisting of B, Al, Si, P, S, Ti, V, Zr, Nb, Ta, and La.

Abstract: A negative electrode active material for a nonaqueous electrolyte secondary battery includes secondary particles each formed of primary particles bonded to each other, and the primary particles contain carbon material particles and a lithium ion-conductive solid electrolyte which covers the surfaces of the carbon material particles.

Abstract: A positive electrode current collector, a positive electrode active material layer disposed on a surface of the positive electrode current collector, and a first film having lithium-ion permeability are included. The first film contains a lithium-ion permeable oxide X represented by LixM1Oy (0.5?x<4, 1?y<6) and a fluorine-containing compound Y, covers at least part of a surface of the positive electrode active material layer, and partially covers the surface of the positive electrode current collector. The compound Y contains a bond between a metal element M2 and a fluorine element, M1 is at least one selected from the group consisting of B, Al, Si, P, S, Ti, V, Zr, Nb, Ta, and La, and M2 is at least one selected from the group consisting of Li, Na, Al, Mg, and Ca.

Abstract: A secondary-battery negative electrode includes: a negative electrode collector; and a negative electrode active material layer provided on a surface of the negative electrode collector, and the negative electrode active material layer includes active material particles and amorphous carbon which covers at least parts of surfaces of the active material particles. At least a part of a surface of the amorphous carbon is covered with a film having a lithium ion permeability, the film contains an element M, and the element M is at least one selected from the group consisting of P, Si, B, V, Nb, W, Ti, Zr, Al, Ba, La, and Ta.

Abstract: A positive electrode plate (11) includes a current collector (30) and a mixture layer (31) disposed on the current collector (30). The mixture layer (31) has a thin portion (32) with a thickness of less than 200 ?m disposed on an inner coil half of the current collector (30) and a thick portion (33) having a larger thickness than the thin portion (32), the thick portion (33) having a yield loop height H measured by a stiffness test of 6 mm<H<15 mm.