Abstract: An optical apparatus includes a light source unit, a deflector configured to deflect illumination light from the light source unit to scan an object, and a light receiving unit configured to receive reflected light from the object. The light source unit includes at least one light emitting unit and an optical element array including a plurality of optical elements. The optical element array separates light emitted from one light emitting unit among the at least one light emitting unit into two or more illumination lights that enter the deflector at angles different from each other.

Abstract: The purpose of the present invention is to provide a lithium secondary battery which has a high energy density and an excellent cycle characteristic and is suppressed from a volumetric change of a cell due to charge/discharge. The present invention relates to a lithium secondary battery having a positive electrode, a negative electrode not having a negative-electrode active material, a separator or a solid electrolyte placed between the positive electrode and the negative electrode, and a fibrous or porous buffering function layer formed on the surface of the separator or the solid electrolyte facing the negative electrode, the buffering function layer having ionic conductivity and electronic conductivity.

Abstract: An object of the present invention is to provide a lithium secondary battery having a high energy density and excellent in cycle characteristics. The present invention relates to a lithium secondary battery including a positive electrode, a negative electrode not having a negative-electrode active material, a separator placed between the positive electrode and the negative electrode, a carbon metal composite layer formed on a surface of the negative electrode facing the separator, and a conductive thin film formed on a surface of the separator facing the negative electrode, in which the carbon metal composite layer includes a plurality of fibrous carbon materials, each of which are randomly oriented.

Abstract: A battery cell having a layered pressure homogenizing soft medium for liquid/solid state Li-ion rechargeable batteries. The battery cell of the present technology includes one or more battery pouches, a pressure mechanism external to the battery pouches that applies a pressure to the battery pouches, and a layered pressure homogenizing soft medium that is displaced between the battery pouches and the pressure mechanism. By using a number of pressure homogenizing medium layers, each with a specific range of thickness and within a range of physical properties, the battery pouches displaced between the pressure homogenizing medium layers are evenly pressurized by the mediums due to pressure applied by the pressure mechanism to within a desired range of pressure. The pressure applied to the battery pouches by the pressure homogenizing medium is monitored by a pressure sensor, such as a two-dimensional pressure sensor.

Abstract: Provided is a rotating electric machine capable of reducing oscillations and noise generated in the rotating electric machine. The rotating electric machine includes a stator, a rotor, and a frame. The rotor includes: a rotor core; and a plurality of permanent magnets, and the rotor is divided into a plurality of blocks. The plurality of blocks include: a skew-angle-increasing pair of blocks; and a skew-angle-decreasing pair of blocks. The frame includes: a body portion configured to hold the stator; and a flange portion, which projects outward from the body portion, and the body portion has a thickness that changes from one end to another end of the body portion in an axial direction thereof.

Abstract: An optical apparatus includes a first deflection unit configured to deflect illumination light from a light source unit to scan an object and deflect reflected light from the object, a first light guiding unit configured to guide the illumination light from the light source unit to the first deflection unit and guide the reflected light from the first deflection unit to a light receiving unit, and a second light guiding unit configured to guide the illumination light from the light source unit to the light receiving unit, wherein the first light guiding unit includes a first passing region and a reflective region, and wherein the second light guiding unit is configured to guide, to the light receiving unit, light reflected in the reflective region without going through the object among the illumination light from the first deflection unit.

Abstract: The purpose of the present invention is to provide a lithium secondary battery having an excellent cycle characteristic. A lithium secondary battery according to an embodiment includes a positive electrode, and a negative electrode not having a negative electrode active material. The negative electrode is configured as Cu having a surface roughness maximum height Rz of 1.0 µm or less and an orientation plane of a plane.

Abstract: The purpose of the present invention is to provide a lithium secondary battery having a high energy density and an excellent cycle characteristic. The present invention relates to a lithium secondary battery equipped with a positive electrode, a negative electrode not having a negative electrode active material, a separator placed therebetween, and a fibrous or porous buffering function layer formed on the surface of the separator facing the negative electrode and having ionic conductivity. The positive electrode contains a positive electrode active material and a lithium-containing compound which causes an oxidation reaction and does not substantially cause a reduction reaction in a charge/discharge potential range of the positive electrode active material. In a particle size distribution by the laser diffraction method, the lithium-containing compound has a particle size D50 (S), which corresponds to a cumulative degree at 50%, of 1.

Abstract: Various arrangements for compressing a cylindrical battery cell are presented herein. The cylindrical battery cell may be wrapped in a buffer material. The buffer material may then be compressed using a compression mechanism. The buffer material may uniformly distribute pressure applied to the buffer material to a curved sidewall of the cylindrical battery cell.

Abstract: The purpose of the present invention is to provide a lithium secondary battery having a high energy density and an excellent cycle characteristic.

Abstract: The present invention provides a lithium secondary battery that has high energy density and excellent cycle characteristics, and a method for using this battery. The present invention relates to a lithium secondary battery comprising: a positive electrode current collector; a positive electrode formed on at least one surface of the positive electrode current collector and having a positive electrode active material; a negative electrode free of a negative electrode active material; and a separator or solid electrolyte disposed between the positive electrode and the negative electrode, wherein the positive electrode contains a Li(Ni, Co, Mn)O2 crystal and/or a Li(Ni, Co, Al)O2 crystal whose full width at half maximum for the diffraction peak of the (003) plane as measured by X-ray diffraction that is greater than 0.00° and 0.10° or less in an amount of 20% by mass or more and 100% by mass or less relative to the total mass of the positive electrode active material.

Abstract: A secondary battery with excellent cycle characteristics is provided. An aspect of the present invention is a secondary battery comprising: a battery element that performs charging and discharging between a positive electrode and a negative electrode that is free of a negative electrode active material; a pair of elastic members disposed so as to interpose the battery element on both sides; a pair of supports that are disposed so as to interpose the pair of elastic members on both sides; and a pressure-applying member that applies pressure from both sides of the pair of supports, wherein the surface area of the surface of the elastic members facing the battery element is 1.2 to 2.0 times that of the surface area of the surface of the positive electrode that faces an elastic member, and the average pressure applied to this surface of the positive electrode is 1.0 to 3.0 MPa.

Abstract: Various variable planar pouch battery pressure optimization systems are presented. The system may include a first and second plate, between which a planar pouch battery cell is installed. Multiple pressure application components may be individually controlled to apply varying pressure to the first and second plate. Various pressure patterns may be tested in order to determine a pressure pattern that optimizes at least one electrical characteristic of the planar pouch battery cell.

Abstract: An optical apparatus includes a deflection unit configured to deflect illumination light from a light source and to deflect reflected light from the object, and a light guide unit configured to guide the illumination light to the deflection unit and to guide the reflected light from the deflection unit to a light receiving unit. The light guide unit includes first and second passage areas, and a reflective area. The illumination light is branched into first and second illumination lights by the light guide unit. The first illumination light is emitted from the first passage area and the second illumination light is emitted from the second passage area so that an emission direction of the first illumination light and that of the second illumination light are not parallel to each other, and then the first illumination light and the second illumination light enter the deflection unit.

Abstract: A battery cell having a layered pressure homogenizing soft medium for liquid/solid state Li-ion rechargeable batteries. The battery cell of the present technology includes one or more battery pouches, a pressure mechanism external to the battery pouches that applies a pressure to the battery pouches, and a layered pressure homogenizing soft medium that is displaced between the battery pouches and the pressure mechanism. By using a number of pressure homogenizing medium layers, each with a specific range of thickness and within a range of physical properties, the battery pouches displaced between the pressure homogenizing medium layers are evenly pressurized by the mediums due to pressure applied by the pressure mechanism to within a desired range of pressure. The pressure applied to the battery pouches by the pressure homogenizing medium is monitored by a pressure sensor, such as a two-dimensional pressure sensor.

Abstract: Various arrangements of an anode-free battery cell are presented herein. The battery cell can include a lithium ion buffer layer that is located between a electrolyte and an anode current collector. Lithium ions may be stored within the lithium ion buffer layer when the battery cell is charged, which can decrease an amount of swelling within the battery cell.

Abstract: A rotor of the permanent magnet rotating electric machine includes a rotor core, a plurality of magnets, and magnetic slits. Each of the magnetic slits is formed in a core region being a region between magnets of the plurality of magnets, and a gap. The magnetic slits are regions having a lower magnetic permeability than a magnetic permeability of the core region. One end of each of the magnetic slits, which is closer to an outer periphery of the rotor, is positioned in a portion of the core region on the same direction side as a direction of a force in a circumferential direction of the rotor, and another end closer to the rotation axis center of the rotor is positioned on the magnetic pole center or in a portion of the core region on a side opposite to the direction of the force.

Abstract: An optical apparatus includes a deflection unit configured to deflect illumination light from a light source to scan an object and to deflect reflected light from the object, a light guiding unit configured to guide the illumination light from the light source to the deflection unit and to guide the reflected light from the deflection unit to a light receiving element, and an optical system configured to guide the illumination light from the deflection unit to the object and to guide the reflected light from the object to the deflection unit. The optical system includes a front lens unit that consists of lenses located closer to the object than an intermediate image and a rear lens unit that consists of lenses located closer to the deflection unit than the intermediate image. The rear lens unit consists of three or more and five or less positive lenses.

Abstract: Various variable planar pouch battery pressure optimization systems are presented. The system may include a first and second plate, between which a planar pouch battery cell is installed. Multiple pressure application components may be individually controlled to apply varying pressure to the first and second plate. Various pressure patterns may be tested in order to determine a pressure pattern that optimizes at least one electrical characteristic of the planar pouch battery cell.

Abstract: An optical apparatus 1, including: a deflecting unit 30 configured to deflect an illumination ray from a light source 11 to scan an object 100 and deflect a reflected ray from the object 100; a light guiding unit 20 configured to guide the illumination ray from the light source 11 to the deflecting unit 30 and to guide the reflected ray from the deflecting unit 30 to a light receiving element 53; and an optical system 40 having a plurality of lens surfaces, configured to guide the illumination ray from the deflecting unit 30 to the object 100 and to guide the reflected ray from the object 100 to the deflecting unit 30, wherein a normal at an incident point of the illumination ray on each of the plurality of lens surfaces and the illumination ray are not parallel to each other.