Abstract: The method including: applying a graphite-based lubricant to a cavity surface of a die; forming a first graphite-based powder layer by disposing graphite-based powder that does not contain a binder on a cavity surface of a lower punch, forming a magnet powder body by putting magnet powder on the first graphite-based powder layer, and forming a second graphite-based powder layer by disposing graphite-based powder that does not contain a binder on the magnet powder body; and producing a compact by performing press forming using the lower punch and a upper punch while heating the magnet powder body surrounded by the graphite-based lubricant applied to the cavity surface of the die, the first graphite-based powder layer, and the second graphite-based powder layer, and releasing the compact from a forming die.

Abstract: According to an embodiment, in a semiconductor device, a total value of a change amount of chemical potential of the semiconductor device with respect to a expansion direction of a stacking fault and the stacking fault energy of the stacking fault is zero or more.

Abstract: A negative-electrode active material comprises a graphite including at least boron and fluorine. The fluorine is disposed at least on a surface of the graphite. A ratio R satisfies 0.5?R?1, where R=SBB/SB, and SB denotes a total peak area of a boron 1s spectrum of the graphite obtained by X-ray photoelectron spectroscopy, and SBB denotes a peak area of all spectra each having a peak in a binding energy range of not less than 184.0 eV and not more than 188.5 eV in the boron 1s spectrum.

Abstract: Provided is a lithium secondary battery comprising a cathode, an anode, and a non-aqueous electrolyte having lithium ion conductivity. A lithium metal is precipitated on a surface of the anode during charge of the lithium secondary battery. The lithium metal is dissolved from the surface of the anode in the non-aqueous electrolyte during discharge of the lithium secondary battery. The non-aqueous electrolyte contains a solvent and a lithium salt. The solvent includes a fluorinated ether. The fluorinated ether has a fluorination ratio of more than 0% and not more than 60%.

Abstract: A negative electrode active material includes a compound represented by a composition formula of MgxMe1-xO1-xH2x, where Me is at least one selected from the group consisting of Mn, Fe, Co, Ni, and Cu, and 0.5?x?0.9.

Abstract: A lithium secondary battery comprises an electrode group and a nonaqueous electrolyte having lithium-ion conductivity. A negative electrode current collector has a first surface facing outward of winding of the electrode group and a second surface facing inward of the winding of the electrode group. At least the first surface or the second surface includes a first region and a second region that is closer to an innermost circumference of the winding of the electrode group than the first region. Protrusions include outer-circumference-side protrusions disposed on the first region and inner-circumference-side protrusions disposed on the second region. A first average height of the outer-circumference-side protrusions is larger than a second average height of the inner-circumference-side protrusions.

Abstract: A lithium secondary battery includes a positive electrode, a negative electrode, a separator, and a nonaqueous electrolyte having lithium-ion conductivity. A negative electrode current collector includes a layer having a first surface and a second surface opposite to the first surface, first protrusions protruding from the first surface, and second protrusions protruding from the second surface. The first and second surfaces are surfaces on which lithium metal is deposited during charge. When viewed in a direction of a normal to the first surface, a total area of overlap between the first protrusions and the second protrusions is ½ or less of a total area of the first protrusions.

Abstract: A lithium secondary battery according to the present disclosure comprises a cathode, an anode; and a non-aqueous electrolyte having lithium ion conductivity. A lithium metal is precipitated on a surface of the anode during charge of the lithium secondary battery. The lithium metal is dissolved from the surface of the anode in the non-aqueous electrolyte during discharge of the lithium secondary battery. The non-aqueous electrolyte contains a solvent and a lithium salt. The lithium salt includes a first lithium salt and a second lithium salt. The second lithium salt is different from the first lithium salt. The first lithium salt is composed of a lithium ion and an ate complex anion. A sum of concentration of the first lithium salt and the second lithium salt which are contained in the non-aqueous electrolyte is not less than 3.0 mol/L.

Abstract: A lithium secondary battery includes a positive electrode, negative electrode, a separator, and a nonaqueous electrolyte having lithium-ion conductivity. The positive electrode contains a positive electrode active material containing lithium. The negative electrode faces the positive electrode. The separator is disposed between the positive and negative electrodes. The negative electrode includes a negative electrode current collector. The negative electrode current collector includes a layer having a first surface, and protrusions protruding from the first surface. The first surface is a surface on which lithium metal is deposited during charge. The protrusions do not divide the first surface into parts.

Abstract: A lithium secondary battery comprises an electrode group and a nonaqueous electrolyte having lithium-ion conductivity. A negative electrode current collector has a first surface facing outward of winding of the electrode group and a second surface facing inward of the winding of the electrode group. At least the first surface or the second surface includes a first region and a second region that is closer to an innermost circumference of the winding of the electrode group than the first region. Protrusions include outer-circumference-side protrusions disposed on the first region and inner-circumference-side protrusions disposed on the second region. In at least the first surface or the second surface, a first area rate is smaller than a second area rate.

Abstract: A lithium secondary battery comprises an electrode group and a nonaqueous electrolyte having lithium-ion conductivity. A negative electrode current collector has a first surface facing outward of winding of the electrode group and a second surface facing inward of the winding of the electrode group. At least the first surface or the second surface includes a first region and a second region that is closer to an innermost circumference of the winding of the electrode group than the first region. Protrusions include outer-circumference-side protrusions disposed on the first region and inner-circumference-side protrusions disposed on the second region. A first average height of the outer-circumference-side protrusions is smaller than a second average height of the inner-circumference-side protrusions.

Abstract: A lithium secondary battery includes an electrode group and a nonaqueous electrolyte having lithium ion conductivity. A negative electrode includes a negative electrode current collector. The negative electrode current collector has a first surface facing an outward direction of winding of the electrode group and a second surface facing an inward direction of the winding of the electrode group. Lithium metal is deposited on the first surface and the second surface by charge. The negative electrode further includes first protrusions protruding from the first surface and second protrusions protruding from the second surface. A ratio A1X/A1 is less than a ratio A2X/A2. A1X is a sum of projected areas of the first protrusions on the first surface. A1 is an area of the first surface. A2X is a sum of projected areas of the second protrusions on the second surface. A2 is an area of the second surface.

Abstract: A lithium secondary battery includes a positive electrode, a negative electrode, a separator, and a nonaqueous electrolyte having lithium-ion conductivity. The positive electrode contains a positive electrode active material containing lithium. The negative electrode faces the positive electrode. The separator is disposed between the positive and negative electrodes. The negative electrode includes a negative electrode current collector. The negative electrode current collector includes a layer and protrusions. The layer has a first surface on which lithium metal is deposited during charge. The protrusions protrude from the first surface. At least one of the protrusions includes a conductive material and an insulative material.

Abstract: A lithium secondary battery includes an electrode group and a nonaqueous electrolyte having lithium ion conductivity. A negative electrode includes a negative electrode current collector. The negative electrode current collector has a first surface facing an outward direction of winding of the electrode group and a second surface facing an inward direction of the winding of the electrode group. Lithium metal is deposited on the first surface and the second surface by charge. The negative electrode further includes first protrusions protruding from the first surface and second protrusions protruding from the second surface. A ratio A1X/A1 is greater than a ratio A2X/A2. A1X is a sum of projected areas of the first protrusions on the first surface. A1 is an area of the first surface. A2X is a sum of projected areas of the second protrusions on the second surface. A2 is an area of the second surface.

Abstract: A lithium secondary battery comprises an electrode group and a nonaqueous electrolyte having lithium-ion conductivity. A negative electrode current collector has a first surface facing outward of winding of the electrode group and a second surface facing inward of the winding of the electrode group. At least the first surface or the second surface includes a first region and a second region that is closer to an innermost circumference of the winding of the electrode group than the first region. Protrusions include outer-circumference-side protrusions disposed on the first region and inner-circumference-side protrusions disposed on the second region. In at least the first surface or the second surface, a first area rate is larger than a second area rate.

Abstract: A negative-electrode active material comprises a graphite including boron and nitrogen. A ratio R1 satisfies 0.5?R1?1, where R1=SBN/SB, and SB denotes a total peak area of a boron 1s spectrum of the graphite obtained by X-ray photoelectron spectroscopy, and SBN denotes a peak area of a spectrum assigned to boron bonded to nitrogen in the boron 1s spectrum. A ratio R2 satisfies 0<R2?0.05, where R2=SB/(SB+SC+SN), and SC denotes a peak area of a carbon 1s spectrum of the graphite obtained by X-ray photoelectron spectroscopy, and SN denotes a peak area of a nitrogen 1s spectrum of the graphite obtained by X-ray photoelectron spectroscopy.

Abstract: An image processing apparatus, comprising: one or more processors; and a memory storing instructions which, when the instructions are executed by the processors, cause the image processing apparatus to function as: a detection unit configured to detect an unnecessary component generating region, which is a region of an image in which an unnecessary component is generated, based on a first viewpoint image and a second viewpoint image with different viewpoints, the image being obtained by combining the first viewpoint image and the second viewpoint image, the detection unit being configured to detect the unnecessary component generating region based on a plurality of correlation values between a first region of interest in the first viewpoint image and a plurality of second regions of interest in the second viewpoint image; and a reduction unit configured to perform processing of reducing the unnecessary component.

Abstract: A lithium metal secondary battery includes a positive electrode, a negative electrode, a separator, and a nonaqueous electrolyte. The positive electrode and the negative electrode are wound to form an electrode group. The positive and negative electrodes face each other with the separator between the positive and negative electrodes. The electrode group has a space for accommodating at least part of the nonaqueous electrolyte when fully discharged. X and Y satisfy 1.00?X/Y<1.20, where X is a calculated thickness of the lithium metal which is calculated from design capacity per unit area of the positive electrode, and Y is a virtual thickness of the space when the space is assumed to be formed only between the negative electrode and the separator.

Abstract: A cathode active material for magnesium secondary batteries includes a material containing magnesium, boron, and carbon. The material has a layered structure.

Abstract: A semiconductor storage device comprises a plurality of memory cells arranged in a matrix. Each of the memory cells includes: a semiconductor storage element including a silicon carbide substrate and a silicon carbide film on a first surface of the silicon carbide substrate; a lower electrode on a second surface facing away from the first surface of the silicon carbide substrate; and an upper electrode on at least part of a surface of the silicon carbide film, the surface facing away from another surface of the silicon carbide film in contact with the silicon carbide substrate. Each memory cell includes at least one basal plane dislocation formed at at least part of the semiconductor storage element.