Abstract: This positive-electrode active material for a non-aqueous electrolyte secondary battery contains a lithium and transition metal composite oxide represented by the composition formula: LixMnyNizSraMbO2-cFc (where, M is at least two elements selected from Ti, Co, Si, Al, Nb, W, Mo, P, Ca, Mg, Sb, Na, B, V, Cr, Fe, Cu, Zn, Ge, Zr, Ru, K, and Bi; 1.0<x?1.2; 0.4?y?0.8; 0?z?0.4; 0<a<0.01; 0<b<0.03; 0<c<0.1; and x+y+z+a+b?2).

Abstract: This positive electrode active material for a non-aqueous electrolyte secondary battery contains a lithium transition metal composite oxide represented by the composition formula LixMnyNizALaMbO2-cFc (in the formula, M represents at least two elements selected from Ti, Co, Si, Sr, Nb, W, Mo, P, Ca, Mg, Sb, Na, B, V, Cr, Fe, Cu, Zn, Ge, Zr, Ru, K, and Bi; 1.0<x?1.2; 0.4?y?0.8; 0?z?0.4; 0<a<0.01; 0<b<0.03; 0<c<0.1; and x+y+z+a+b?2).

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: This positive-electrode active material for a non-aqueous electrolyte secondary battery contains a lithium and transition metal composite oxide represented by the composition formula: LixMnyNixGeaMbO2-cFc (where, M is at least one elements selected from Ti, Co, Si, Al, Nb, W, Mo, P, Ca, Mg, Sb, Na, B, V, Cr, Fe, Cu, Zn, Sr, Zr, Ru, K, and Bi; 1.0<x?1.2; 0.4?0.8; 0?z?0.4; 0<a<0.01; 0<b<0.03; 0<c<0.1; and x+y+z+a+b?2).

Abstract: This positive electrode active substance for a non-aqueous electrolyte secondary battery contains a lithium-transition metal composite oxide which has a crystal structure belonging to the space group Fm-3m and is represented by the compositional formula LixMnyMaObFc (in the formula: M is at least one type of metal element excluding Mn; x+y+a=b+c=2; 1<x?1.35; 0.4?y?0.9; 0?a?0.2; and 1.3?b?1.8). In addition, the lattice constant a of the lithium-transition metal composite oxide is 4.09-4.16.

Abstract: This positive electrode active material for a non-aqueous electrolyte secondary battery contains a lithium-transition metal composite compound. The lithium-transition metal composite compound is represented by general formula LixMnyNizMe?OaFb (in the formula, 1?x?1.2, 0.4?y?0.8; 0?z?0.4, x+y+z=2, 0<?<0.05, 1.8?a?2, and 1.8?a±b?2.2 are satisfied, and Me represents at least two kinds of elements selected from metal elements other than Li, Mn, and Ni) and Me includes at least one kind of element having an ion radius of 0.6 ? or more.

Abstract: This positive electrode active material is for a secondary battery and contains a lithium transition metal complex oxide. The lithium transition metal complex oxide is represented by general formula LixMnyNizSbaObFc (x+y+z+a?b+c=2, 1?x?1.2, 0.4?y?0.8, 0?z?0.4, 0<a<0.01, and 1.8<b<2 are satisfied) and does not include Co.

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: The positive electrode active material for a secondary battery includes a lithium-transition metal composite oxide. The lithium-transition metal composite oxide is represented by the general formula Li?[LixMnyCozMe(1?x?y?z)]O2 (in the formula, Me is at least one selected from Ni, Fe, Ti, Bi, and Nb, 0.5<?<1, 0.05<x<0.25, 0.4<y <0.7, 0<z<0.25) and has a crystal structure of O2 structure. The particle size distribution of the lithium-transition metal composite oxide has a first peak on the small particle size side and a second peak on the large particle size side.

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: Provided is an active material for a fluoride-ion secondary battery, the active material containing a composite fluoride. The composite fluoride has a layered structure and is represented by a composition formula AmMnFx, where A is an alkali metal, M is a transition metal, 0<m?2, 1?n?2, and 3?x?4. The alkali metal may be at least one kind selected from the group consisting of Na, K, Rb, and Cs. The transition metal may be a 3d transition metal.

Abstract: A positive-electrode active material for a magnesium secondary battery contains a composite oxide represented by the following composition formula: M1xM2yO2, where M1 is sodium, M2 is nickel and manganese, and 0<x+y?2.

Abstract: The present disclosure provides a new battery capable of having an increased capacity per weight. A battery according to the present disclosure includes a positive electrode, a negative electrode, and an electrolyte located between the positive electrode and the negative electrode. The positive electrode includes a positive electrode layer containing graphene oxide. The electrolyte includes a Lewis acid containing a pentafluorophenyl group.

Abstract: A primary battery includes: a positive electrode including a positive electrode collector composed of a porous conductor, and a porous positive electrode layer disposed on the positive electrode collector, oxygen taken from outside of the primary battery through the positive electrode collector being allowed to diffuse into the porous positive electrode layer; a negative electrode including a negative electrode collector composed of a porous conductor, and a porous negative electrode layer disposed on the negative electrode collector, the porous negative electrode layer including lithium nitride composed of lithium and nitrogen, nitrogen generated during discharge being allowed to diffuse into the porous negative electrode layer; and a nonaqueous electrolytic solution disposed between the positive electrode and the negative electrode, the nonaqueous electrolytic solution containing a lithium salt.

Abstract: A charge/discharge method of an air battery is a charge/discharge method of an air battery including a positive electrode, a negative electrode, and a nonaqueous electrolyte liquid containing a nonaqueous solvent and a lithium salt dissolved in the nonaqueous solvent, the nonaqueous electrolyte liquid being interposed between the positive electrode and the negative electrode, the charge/discharge method includes: discharging the air battery; and supplying a charging liquid different from the nonaqueous electrolyte liquid from the outside to the inside of the air battery so that a discharge product generated by the discharging is desorbed from the positive electrode while being in the form of a solid.

Abstract: A nonaqueous electrolyte solution for a magnesium secondary battery contains a nonaqueous solvent; a magnesium salt; and an organoboronate complex salt represented by formula (1) below: where R1, R2, R3, and R4 each independently contain a fluoroalkyl group.

Abstract: An active material for a fluoride ion secondary battery includes a composite fluoride which contains: an alkali metal or NH4; a transition metal; and fluorine.

Abstract: Provided is an active material for a fluoride-ion secondary battery, the active material containing a composite fluoride. The composite fluoride has a layered structure and is represented by a composition formula AmMnFx, where A is an alkali metal, M is a transition metal, 0<m?2, 1?n?2, and 3?x?4. The alkali metal may be at least one kind selected from the group consisting of Na, K, Rb, and Cs. The transition metal may be a 3d transition metal.

Abstract: The purpose of the present invention is to provide a rotation speed detection device which achieves improved detection accuracy regardless of a compressor and the operating state of the compressor, and enables the prevention of the breakage of a detection unit. A rotation speed detection device for a compressor, wherein a detection unit for detecting full blades and splitter blades that are blades approaching a compressor casing of the compressor in response to a change in the inductance of a magnetic field is provided. The detection unit is provided in an overlap region in which the full blades and the splitter blades that are all blades can be detected and the exposure pressure is in the range of a gauge pressure of one atmosphere or less.

Abstract: The present invention provides a cell that has a high theoretical voltage and theoretical capacity, and can be discharged and recharged multiple times. The cell includes a cathode, an anode, and an electrolyte, wherein the cathode contains a cathode active material containing an alkali metal compound represented by the formula (1): AxOy??(1) (wherein A is an alkali metal atom, x is 0.5 to 2.5, and y is 0.5 to 2.5), the anode contains an anode active material containing at least one selected from the group consisting of an alkali metal, tin, titanium, boron, nitrogen, silicon, and carbon, and the cathode, the anode, and the electrolyte are hermetically sealed in the cell.