Abstract: According to one embodiment, an electrode is provided. The electrode includes an active material-containing layer. The active material-containing layer includes active material particles, a first electro-conductive agent having a fibrous shape, and a second electro-conductive agent having a shape other than the fibrous shape. The active material particles include at least one compound selected from the group consisting of a monoclinic titanium-containing oxide and an orthorhombic titanium-containing composite oxide. The active material-containing layer satisfies formula (1): 0.6?B/A?1.5. A is a thickness [?m] of the active material-containing layer. B is a maximum length [?m] of the first electro-conductive agent in the active material-containing layer.

Abstract: A press machine includes a storage unit configured to store moving image data captured by an imaging unit disposed at a position configured to allow the imaging unit to capture an image of a press die area, an image extraction unit configured to extract, from a group of still images forming the moving image data, a monitoring target image with reference to a position of a slide in the image or a state of a material to be processed, and an image monitoring unit configured to perform image monitoring based on the monitoring target image and to output a monitoring result.

Abstract: In general, according to one embodiment, a niobium-titanium oxide is provided. The niobium-titanium oxide satisfies Formulae (1) to (3) below in an L*a*b* color space according to Japanese Industrial Standard JIS Z 8722:2009: 95.0?L*?100??(1) ?1.0?a*?1.0??(2) ?1.0?b*?6.0??(3).

Abstract: According to one embodiment, provided is an electrode including a plurality of active material particles and fibrous carbon. The fibrous carbon includes a first portion having a fiber diameter W1 within a range of 60 nm or more and 500 nm or less and a second portion having a fiber diameter W2 smaller than the fiber diameter W1. At least part of the second portion is in contact with plurality of the active material particles.

Abstract: In general, according to one embodiment, an electrode includes an active material that includes a metal oxide, and a conductive agent that includes a carbon material. A weight of carbon contained in the electrode is 2.5 parts by weight or less, per 100 parts by weight of the active material. The electrode has lightness L* that satisfies 40?L*?85.

Abstract: In general, according to an embodiment, a secondary battery includes a positive electrode, a negative electrode, and an electrolyte. The negative electrode contains a niobium-containing oxide. In hard X-ray photoelectron spectroscopy on a surface of the negative electrode, a ratio B/A of an area B in a range of 680 eV or more and 695 eV or less to an area A in a range of 200 eV or more and 215 eV or less is 1.1 or more and 4.3 or less. The electrolyte contains a lithium salt and a first carboxylate ester. A content of the first carboxylate ester is 70 mass % or more and 95 mass % or less with respect to 100 mass % of the electrolyte excluding the lithium salt.

Abstract: According to one embodiment, a secondary battery including a negative electrode. The negative electrode includes a negative electrode current collector and a negative electrode mixture layer. A thickness of the negative electrode current collector is in a range of 8 ?m to 18 ?m. The negative electrode current collector includes a first current collector end surface extending along a stacking direction. The negative electrode mixture layer includes a niobium-titanium composite oxide, and a first protrusion protruding from the first current collector end surface along a first direction orthogonal to the stacking direction. A protrusion length A1 of the first protrusion satisfies 0 mm<A1?1.0 mm.

Abstract: A charge control method includes acquiring a measured temperature of a lithium ion battery, acquiring a threshold value for stopping charging of the lithium ion battery according to the measured temperature of the lithium ion battery based on a relationship between a cycle life and a charging capacity of the lithium ion battery for each temperature of the lithium ion battery, and, charging the lithium ion battery based on the threshold value.

Abstract: An electrode material may include an active material particle containing: a niobium-titanium composite oxide having an average composition in which a molar ratio of niobium to titanium (MNb/MTi) is greater than 2; and at least one element A selected from the group consisting of potassium, iron and phosphorus. The active material particle may contain the element A at a concentration in the range of 100 ppm to 2000 ppm.

Abstract: According to one embodiment, an active material is provided. The active material includes a primary particle including an Nb10Ti2O29 phase and at least one Nb-rich phase selected from an Nb14TiO37 phase and an Nb24TiO64 phase. In the primary particle, a ratio MNb/MTi of substance amount of niobium to titanium satisfies 5.0<MNb/MTi?24.0. A diffraction chart according to a wide angle X-ray diffraction method using a CuK? ray for the active material includes a peak A and a peak C attributed to the Nb10Ti2O29 phase and a peak B appearing within a range of 2? of 25.5±0.2° attributed to the Nb-rich phase. The active material satisfies a peak intensity ratio represented by 0<IB/IA<5.0. A half width of the peak C is in a range of 0.15° or more and 0.80° or less.

Abstract: A press machine includes: an operation content recording unit that records history data including operation content and an operation time of an operation performed on the press machine; a database generation unit that extracts, from the recorded history data, data corresponding to a series of operations including an operation to serve as a start point and an operation to serve as an end point of an operation procedure to be an operation support target, and generates a database of the operation procedure; an operation procedure acquisition unit that acquires, from the database, the operation procedure that satisfies a determination criterion designated by a user; and an operation procedure output unit that outputs the acquired operation procedure.

Abstract: A press machine is a press machine configured to press a workpiece. The press machine includes a display that displays a state display image which extends in a band shape and indicates an operating state of the press machine during a predetermined period of time up to date. The display displays time series variation in the operating state during the predetermined period of time by variation in a color of the state display image in the band shape in an extending direction.

Abstract: According to one embodiment, an electrode is provided. The electrode includes an active material-containing layer and a current collector. The active material-containing layer comprises a first edge having an arc shape and a second edge positioned opposite to the first edge. The current collector comprises an active material-supporting section supporting the active material-containing layer, and an active material-non-supporting section. The curving amount is represented by a maximum distance from the first edge to a reference line connecting two points on the first edge. The curving amount is in a range of ?1 mm or more and less than 0 mm.

Abstract: An active material includes a composite oxide represented by the general formula LiaTibNb2WcO2b+3c+5+? and satisfying 0?a?b+3c+4, 0<b<2, 0<c<2, 1.9b+2.85c+4.75???2.1b+3.15c+5.25. A crystal structure of the composite oxide is at least one of a monoclinic structure and an orthorhombic structure.

Abstract: According to one embodiment, a method of producing a secondary battery is provided. The method includes preparing a battery architecture including a positive electrode, a negative electrode, and an electrolyte; adjusting a positive electrode potential to a range of 3.4 V to 3.9 V and a negative electrode potential to a range of 1.5 V to 2.0 V based on an oxidation-reduction potential of lithium, thereby providing a potential adjusted state; and holding the battery architecture in the potential adjusted state at a holding temperature of 50° C. to 90° C. The positive electrode includes a lithium-nickel-cobalt-manganese composite oxide. The negative electrode includes a niobium-titanium composite oxide. The electrolyte includes one or more first organic solvent having a viscosity of 1 cP or less.

Abstract: According to a storage battery of an embodiment includes a first battery module and a second battery module connected in parallel with the first battery module. The number of first cells connected in series in the first battery module is M, and the number of second cells connected in series in the second battery module is N. When an open circuit voltage at SOC=X % of the first cells and the second cells are Va1 (X) and Va2 (X), respectively, the voltages of the battery modules are M×Va1 (X)<N×Va2 (X) in the range where the SOC of the cell is 0% to 30%, and M×Va1 (X)>N×Va2 (X) in the range where the SOC of the cell is 70% to 100%.

Abstract: According to one embodiment, a battery is provided. The battery includes a positive electrode, and a negative electrode including a negative electrode active material-containing layer including a niobium-titanium composite oxide and a conductive agent that includes a carbon material. The negative electrode active material-containing layer includes a principal surface facing the positive electrode. Assuming that the thickness of the negative electrode active material-containing layer is A, a ratio (C2/C1) of carbon content ratio C2 at a depth of 0.5 A from the principal surface to carbon content ratio C1 at a depth of 1 ?m from the principal surface satisfies 2?C2/C1?30.

Abstract: According to one embodiment, provided is an active material that includes a secondary particle containing a plurality of primary particles containing a niobium-containing oxide. The secondary particle includes adjacent sections at which the primary particles are adjacent to each other and necking sections in which the primary particles are joined to each other. A total perimeter L of the primary particles and a sum Lcl of perimeters of the primary particles excluding the necking sections satisfy a relationship of 0.1<(L?Lcl)/L?0.6.

Abstract: A press machine includes a display that displays a plurality of images, and a processor that generates a plurality of images corresponding to a slide operation and a movement operation. The plurality of images include a first image having an annular shape, a second image having an arc shape, and a third image. A first region of the second image represents a movement time required for the movement operation, a third region represents a stop time required for a slide stop process, and a second region represents a delay time until the slide stop process starts after the movement time elapses. The processor displays the third image on the display as a determination element for determining whether the slide operation and the movement operation are settable in a relationship between the slide operation and the movement operation based on an input from the user interface.

Abstract: According to one embodiment, provided is an active material including a crystal particle that includes a niobium-titanium composite oxide. A ratio ANb/ATi of a Nb abundance ANb to a Ti abundance ATi in the crystal particle satisfies 2.3?ANb/ATi?4.0. According to a powder X-ray diffraction spectrum using a Cu-K? ray for the crystal particle, an intensity ratio I?/I? of a peak intensity I? of a peak ? appearing at 12.5°?2??13.0° to a peak intensity I? of a peak ? appearing at 8.5°?2??9.0° is within a range of 0.1<I?/I??2.0.