Abstract: According to one embodiment, an electrode includes a current collector and an active material-containing layer. The active material-containing layer includes an active material, a conductive agent, and cellulose fiber. The conductive agent includes carbon fiber. The active material-containing layer includes a first surface brought into contact with the current collector, and a second surface. 2000/mm2 or less of first agglomerates are present on the second surface. Each of the first agglomerates includes at least one of the carbon fiber or the cellulose fiber, and does not include the active material. Each of the first agglomerates has a longest diameter of 5 ?m or more and a shortest diameter of 1 ?m or more.

Abstract: According to one embodiment, provided is an active material including monoclinic niobium titanium composite oxide particles, and carbon fibers with which at least a part of surfaces of the monoclinic niobium titanium composite oxide particles is covered. The monoclinic niobium titanium composite oxide particles satisfy 1.5?(?/?)?2.5. The monoclinic niobium titanium composite oxide particles have an average primary particle size of 0.05 ?m to 2 ?m. The carbon fibers contain one or more metal elements selected from the group consisting of Fe, Co and Ni, and satisfy 1/10000?(?/?)? 1/100. The carbon fibers have an average fiber diameter in the range of 5 nm to 100 nm.

Abstract: According to one embodiment, an electrode includes a current collector and an active material-containing layer. The active material-containing layer includes an active material, a conductive agent, and cellulose fiber. The conductive agent includes carbon fiber. The active material-containing layer includes a first surface brought into contact with the current collector, and a second surface. 2000/mm2 or less of first agglomerates are present on the second surface. Each of the first agglomerates includes at least one of the carbon fiber or the cellulose fiber, and does not include the active material. Each of the first agglomerates has a longest diameter of 5 ?m or more and a shortest diameter of 1 ?m or more.

Abstract: According to one embodiment, provided is an active material including monoclinic niobium titanium composite oxide particles, and carbon fibers with which at least a part of surfaces of the monoclinic niobium titanium composite oxide particles is covered. The monoclinic niobium titanium composite oxide particles satisfy 1.5?(?/?)?2.5. The monoclinic niobium titanium composite oxide particles have an average primary particle size of 0.05 ?m to 2 ?m. The carbon fibers contain one or more metal elements selected from the group consisting of Fe, Co and Ni, and satisfy 1/10000?(?/?)?1/100. The carbon fibers have an average fiber diameter in the range of 5 nm to 100 nm.

Abstract: According to one embodiment, a nonaqueous electrolyte battery including a negative electrode that includes a negative electrode current collector and a negative electrode mixed-materials layer is provided. The negative electrode mixed-materials layer includes a titanium-including metal oxide particle that includes a phase including a carbon material on a surface and a binder that includes an acrylic resin. The negative electrode satisfies Equation (I): ?/?>6??(I) ? is a peel strength (kN/m) between the negative electrode current collector and the negative electrode mixed-materials layer, and ? is a cutting strength (kN/m) in the negative electrode mixed-materials layer.

Abstract: According to one embodiment, a nonaqueous electrolyte secondary battery includes a positive electrode, a negative electrode, and a nonaqueous electrolyte. The negative electrode includes a negative electrode current collector and a negative electrode mixed-material layer on the negative electrode current collector. The negative electrode mixed-material layer includes a titanium-containing metal oxide and a binder including an acrylic resin. The negative electrode satisfies ?/?>1.36×10?2, where “?” is a peel strength (N/m) between the current collector and the negative electrode mixed-material layer, and “?” is a cutting strength (N/m) according to a surface and interfacial cutting method in the negative electrode mixed-material layer.

Abstract: According to one embodiment, a nonaqueous electrolyte battery is provided. This nonaqueous electrolyte battery includes a negative electrode, a positive electrode, and a nonaqueous electrolyte. The negative electrode contains a negative electrode active material having a Li insertion/extraction potential of 0.8 V (vs. Li/Li+) or more. The positive electrode contains a positive electrode active material represented by LiMn1-x-yFexAyPO4 (where 0<x?0.3, 0?y?0.1, and A is at least one selected from the group consisting of Mg, Ca, Al, Ti, Zn, and Zr) and an active material that Li can be inserted to at a potential of 3.3 V (vs. Li/Li+) or less.

Abstract: According to one embodiment, a nonaqueous electrolyte battery including a negative electrode that includes a negative electrode current collector and a negative electrode mixed-materials layer is provided. The negative electrode mixed-materials layer includes a titanium-including metal oxide particle that includes a phase including a carbon material on a surface and a binder that includes an acrylic resin. The negative electrode satisfies Equation (I): ?/?>6??(I) ? is a peel strength (kN/m) between the negative electrode current collector and the negative electrode mixed-materials layer, and ? is a cutting strength (kN/m) in the negative electrode mixed-materials layer.

Abstract: According to one embodiment, a nonaqueous electrolyte secondary battery includes a positive electrode, a negative electrode, and a nonaqueous electrolyte. The negative electrode includes a negative electrode current collector and a negative electrode mixed-material layer on the negative electrode current collector. The negative electrode mixed-material layer includes a titanium-containing metal oxide and a binder including an acrylic resin. The negative electrode satisfies ?/?>1.36×10?2, where “?” is a peel strength (N/m) between the current collector and the negative electrode mixed-material layer, and “?” is a cutting strength (N/m) according to a surface and interfacial cutting method in the negative electrode mixed-material layer.

Abstract: According to one embodiment, there is provided a negative electrode. The negative electrode includes a negative electrode layer. The negative electrode layer contains a titanium composite oxide and a carboxymethyl-cellulose compound. The carboxymethyl-cellulose has a degree of etherification of 1 or more and 2 or less. The negative electrode layer has a density of 2.2 g/cm3 or more.

Abstract: According to one embodiment, a nonaqueous electrolyte battery is a provided. The nonaqueous electrolyte battery includes a positive electrode, a negative electrode and a nonaqueous electrolyte. The positive electrode includes a positive electrode layer. The positive electrode layer includes at least one olivine-type compound and a positive electrode binder. The negative electrode includes a negative electrode layer. The negative electrode layer includes at least one oxide and a negative electrode binder. The positive electrode binder and/or the negative electrode binder include at least one compound selected from the group consisting of a polyacrylic acid, a polyacrylate, and a copolymer thereof.

Abstract: According to one embodiment, a nonaqueous electrolyte battery is provided. This nonaqueous electrolyte battery includes a negative electrode, a positive electrode, and a nonaqueous electrolyte. The negative electrode contains a negative electrode active material having a Li insertion/extraction potential of 0.8 V (vs. Li/Li+) or more. The positive electrode contains a positive electrode active material represented by LiMn1-x-yFexAyPO4 (where 0<x?0.3, 0?y?0.1, and A is at least one selected from the group consisting of Mg, Ca, Al, Ti, Zn, and Zr) and an active material that Li can be inserted to at a potential of 3.3 V (vs. Li/Li+) or less.

Abstract: According to one embodiment, an electrode includes a current collector, an active material-containing layer, a first peak, a second peak and a pore volume. The active material-containing layer contains an active material having a lithium absorption potential of 0.4 V (vs. Li/Li+) or more. The first peak has a mode diameter of 0.01 to 0.1 ?m in a diameter distribution of pores detected by mercury porosimetry. The second peak has a mode diameter of 0.2 ?m (exclusive) to 1 ?m (inclusive) in the diameter distribution of pores. The pore volume detected by the mercury porosimetry is within a range of 0.1 to 0.3 mL per gram of a weight of the electrode excluding a weight of the current collector.

Abstract: According to one embodiment, a battery electrode includes an active material layer and a current collector is provided. The active material layer contains particles of a monoclinic ?-type titanium complex oxide and particles of a lithium titanate having a spinel structure. When a particle size frequency distribution of particles contained in the active material layer is measured by the laser diffraction and scattering method, a first peak P1 appears in a range of 0.3 ?m to 3 ?m and a second peak P2 appears in a range of 5 ?m to 20 ?m in the frequency distribution diagram. The ratio FP1/FP2 of the frequency FP1 of the first peak P1 to the frequency FP2 of the second peak P2 is 0.4 to 2.3.

Abstract: A battery active material of the present embodiment includes a first active material and a second active material. The first active material contains a neutral or acidic active material substrate formed of a titanium oxide or a titanate compound, and an inorganic compound layer covering a surface of the active material substrate. The second active material is basic and is formed of a titanium oxide or a titanate compound. The first active material and/or the second active material are covered with a carbon coating layer.

Abstract: According to one embodiment, there is provided a negative electrode. The negative electrode includes a negative electrode layer. The negative electrode layer contains a titanium composite oxide and a carboxymethyl-cellulose compound. The carboxymethyl-cellulose has a degree of etherification of 1 or more and 2 or less. The negative electrode layer has a density of 2.2 g/cm3 or more.

Abstract: The present invention provides a small antenna device realizing both miniaturization including lower profile and a broader band in a frequency band of hundreds MHz to 5 GHz and which can be mounted on a small device such as a cellular phone. An antenna device includes: a finite ground plane; a rectangular conductor plate provided above the finite ground plane, whose one side is connected to the finite ground plane, and having a bent portion substantially parallel with the one side; an antenna disposed substantially parallel with the finite ground plane above the finite ground plane, extending in a direction substantially perpendicular to the one side, and having a feeding point positioned near the other side facing the one side of the rectangular conductor plate; and a magnetic material provided in at least a part of space between the finite ground plane and the antenna.

Abstract: According to one embodiment, an electrode includes a current collector, an active material-containing layer, a first peak, a second peak and a pore volume. The active material-containing layer contains an active material having a lithium absorption potential of 0.4 V (vs. Li/Li+) or more. The first peak has a mode diameter of 0.01 to 0.1 ?m in a diameter distribution of pores detected by mercury porosimetry. The second peak has a mode diameter of 0.2 ?m (exclusive) to 1 ?m (inclusive) in the diameter distribution of pores. The pore volume detected by the mercury porosimetry is within a range of 0.1 to 0.3 mL per gram of a weight of the electrode excluding a weight of the current collector.

Abstract: According to one embodiment, a battery electrode includes an active material layer and a current collector is provided. The active material layer contains particles of a monoclinic ?-type titanium complex oxide and particles of a lithium titanate having a spinel structure. When a particle size frequency distribution of particles contained in the active material layer is measured by the laser diffraction and scattering method, a first peak P1 appears in a range of 0.3 ?m to 3 ?m and a second peak P2 appears in a range of 5 ?m to 20 ?m in the frequency distribution diagram. The ratio FP1/FP2 of the frequency FP1 of the first peak P1 to the frequency FP2 of the second peak P2 is 0.4 to 2.3.

Abstract: In a DC-DC converter module, a first through-hole conductor provided in a substrate as a first lead for electrically connecting a terminal as a voltage output terminal of an IC and a first terminal of an inductor component to each other and a second through-hole conductor provided in the substrate as a second lead for electrically connecting a terminal as a switching terminal of the IC and a second terminal of the inductor component to each other oppose each other in a direction intersecting a direction in which the first and second terminals oppose each other in the inductor component (i.e., the longitudinal direction of the substrate and inductor component).