Abstract: A cell stack assembly, including: a plurality of stacked battery cells, each including an electrode assembly; a laminate exterior packaging that covers the electrode assembly and encloses the electrode assembly internally; and a fixing tape, including at least one of an inner fixing tape wound in a peripheral direction onto an outer peripheral face of the electrode assembly at an inner side of the laminate exterior packaging, or an outer fixing tape wound in a peripheral direction onto an outer peripheral face of the laminate exterior packaging, wherein: taking a direction in which the plurality of battery cells are stacked as a stacking direction, the fixing tape is wound such that winding positions of the fixing tape do not overlap in the stacking direction for at least one adjacent pair of the battery cells.

Abstract: The battery electrode material application device includes a conveyance unit that transports a conductive base material, a hopper configured to accommodate powder, a conductive screen disposed between the base material transported by the conveyance unit and the hopper, a voltage application unit that can apply a voltage between the conveyance unit and the screen, and an inclined plate that extends obliquely downward from the screen.

Abstract: A battery electrode material coating device includes a conveying unit that conveys a conductive base material, a hopper configured to be capable of accommodating powder and having a conductive screen, a voltage applying unit capable of applying a voltage between the conveying unit and the hopper, and an ultrasonic transducer connected to a sidewall of the hopper.

Abstract: An antenna device comprises a substrate including a planar first region and a planar second region; at least one first radiating element, arranged in the first region, that communicates a radio wave of a first frequency; and at least one second radiating element, arranged in the second region, that communicates a radio wave of a second frequency. A separation direction is a direction of a straight line connecting a first geometric center position of the at least one first radiating element and a second geometric center position of the at least one second radiating element, and in a case that the second region is viewed along a normal direction of the second region, an angle formed by the separation direction and a polarization direction of the at least one second radiating element is equal to or greater than 45° and equal to or less than 90°.

Abstract: An anode active material layer for a battery, wherein the anode active material layer includes a carbon-based anode active material and a binder coating the carbon-based anode active material, and the content of the binder is 4.0 to 9.0% by mass, and a coverage of the anode active material by the binder is 8.0 to 25%, an anode active material layer for a battery. A production method of an anode active material layer comprises: blending the carbon-based anode active material, and the 4.0% to 9.0% by mass of the binder with respect to the total amount of the anode active material layer, to prepare an anode composite material; and coating the anode composite material onto a substrate by a dry method to form the anode active material layer.

Abstract: A method of fabricating an electrode includes: fabricating a first electrode layer disposed on a current collector; and fabricating a second electrode layer disposed on the first electrode layer. The first electrode layer is formed by electrostatic deposition, wet deposition, or rolled film formation. The second electrode layer is formed by rolled film formation. When the first electrode layer is fabricated by rolled film formation, at least part of a surface of active material particles used in the rolled film formation is coated with a resin that is different from polytetrafluoroethylene.

Abstract: A battery cell includes an electrode body in which a plurality of laminated structures having a cathode, an anode, and a separator interposed between the cathode and the anode are further laminated, and a tape wound around the outer periphery of the electrode body over one circumference, wherein the tape has an overlapping portion in which one side and the other end side in an outer peripheral direction overlap each other, and a direction in which a plurality of laminated structures are laminated in the electrode body is defined as a lamination direction, and in a case where an end surface in a lamination direction in the electrode body is defined as a lamination surface, the overlapping portion is disposed on a surface other than the lamination surface in the electrode body.

Abstract: A laminated battery, a battery element, and a laminate film enclosing the battery element, wherein the laminate film has a fused portion in which end portions are overlapped and an inner surface is fused, and the laminate film has a fused portion side surface in which a fused portion is formed, an opposite side surface opposed to the fused portion side surface, and a pair of main surfaces orthogonal to the fused portion side surface and the opposite side surface and having an area larger than the fused portion side surface and the opposite side surface, and the laminate film has an uneven shape on at least one of the fused portion side surface and the opposite side surface.

Abstract: A method of manufacturing an electrode used in a battery including an electrolytic solution includes a step of coating at least a part of a surface of carbon particles with a resin, a step of mixing the carbon particles coated with the resin and polytetrafluoroethylene to obtain a mixture, and a step of fiberizing the polytetrafluoroethylene in the mixture.

Abstract: A method for manufacturing an electrode includes the steps of: kneading active material particles, an electrically conductive material, and an adhesive to fix the electrically conductive material to at least part of a surface of the active material particles; mixing the active material particles having the electrically conductive material fixed to the active material particles by the adhesive with polytetrafluoroethylene to obtain a mixture; and causing the polytetrafluoroethylene in the mixture to fibrillate.

Abstract: In this disclosure, a battery is provided. The electrode includes an electrode current collector and an electrode active material layer, wherein the electrode active material layer includes a single crystal electrode active material and a polycrystalline electrode active material, and the single crystal electrode active material and the polycrystalline electrode active material are each a lithium transition metal composite oxide, and the electrode active material layer includes a first layer including a first surface opposite to the electrode current collector and a second layer including a second surface on the electrode current collector side, wherein the first layer includes the single crystal electrode active material as a main component of the electrode active material, and the second layer includes the polycrystalline electrode active material as a main component of the electrode active material.

Abstract: A vacuum circuit breaker includes a grounded tank in which an insulating gas is sealed, a vacuum valve, a movable-side electrode, a fixed-side electrode, a bellows fixed to the movable-side electrode allowed to pass therethrough, to expand and contract in the vacuum valve, a pressure valve regulating gas pressure between a first area enclosed by the bellows and a movable-side frame and a second area enclosed by the grounded tank outside the first area, a pressure release valve releasing the insulating gas from the first area to the outside of the grounded tank, and an anomaly determination unit determining leak of the insulating gas from the grounded tank, based on a gas pressure in the second area measured by a pressure sensor.

Abstract: Method (100) for making a cathode for secondary battery, including mixing (102) an active material and a conductive material with an electron beam curable pre-polymer so as to obtain a solvent-free mixture made of the active material, the conductive material and the pre-polymer, passing the solvent-free mixture in a Moisture Powder Sheeting device, polymerizing (108) the pre-polymer with an electron beam so as to obtain a polymerized active layer on the metallic foil, pressing (110) the polymerized active layer on the metallic foil at room temperature so as to increase the density of the polymer active layer. A composition for making a cathode for secondary battery, the composition including an active material, a conductive material and an electron beam curable pre-polymer, the composition being solvent-free. A cathode made from the composition and a secondary battery including the cathode.

Abstract: An electrode to be used for a battery, the electrode including: a current collector, a first electrode layer arranged on the current collector, and a second electrode layer arranged on the first electrode layer, wherein the first electrode layer includes a first active material, and a first binder covering a surface of the first active material; the second electrode layer includes a second active material, and a second binder covering a surface of the second active material; and when C1 (%) designates a coverage of the first binder with respect to the first active material, and C2 (%) designates a coverage of the second binder with respect to the second active material, the C1 is larger than the C2.

Abstract: A main object of the present disclosure is to provide an electrode capable of reducing the resistance of a battery and also capable of improving resistance to high temperature storage. The present disclosure achieves the object by providing an electrode to be used for a battery, the electrode including a current collector and an electrode layer, wherein the electrode layer includes layers in the order of a first layer and a second layer; the first layer contains a first binder, the second layer contains a second binder, and a degree of swelling of the first binder is lower than a degree of swelling of the second binder.

Abstract: When a print data creation program is executed by a computer, the computer performs the following processing. The computer acquires image data representing a print image from a storage. The computer divides the print image represented by the acquired image data into a plurality of divided images of a desired resolution. The computer creates print data to be printed by a print device, from at least one of the plurality of divided images.

Abstract: In this disclosure, a battery is provided. The electrode includes an electrode current collector and an electrode active material layer, wherein the electrode active material layer includes a single crystal electrode active material and a polycrystalline electrode active material, and the single crystal electrode active material and the polycrystalline electrode active material are each a lithium transition metal composite oxide, and the electrode active material layer includes a first layer including a first surface opposite to the electrode current collector and a second layer including a second surface on the electrode current collector side, wherein the first layer includes the single crystal electrode active material as a main component of the electrode active material, and the second layer includes the polycrystalline electrode active material as a main component of the electrode active material.

Abstract: An electrode for a lithium ion battery includes a current collector foil, binder particle groups, and an active material layer. The binder particle groups are attached to a surface of the current collector foil. The active material layer is arranged on the surface of the current collector foil. The active material layer contains active material particle groups. The binder particle groups are scattered within an interface between the active material layer and the current collector foil.

Abstract: A sleep stage estimation device includes a subject data acquisition unit that acquires pulsation data and body movement data of a subject, a sleep stage probability estimation unit that acquires a feature quantity sequence from the pulsation data and estimates a sleep stage probability sequence of the subject from the acquired feature quantity sequence by using a learned sleep stage probability estimation model, a sleep stage transition probability estimation unit that acquires a body movement amount sequence from the body movement data and estimates a sleep stage transition probability sequence of the subject from the acquired body movement amount sequence by using a learned sleep stage transition probability estimation model, and a sleep stage estimation unit that estimates a sleep stage sequence of the subject from the sleep stage probability sequence and the sleep stage transition probability sequence by using a learned conditional random field model.

Abstract: An electromagnetic switching valve includes: a sleeve, defining a port communicating with an oil passage; a spool, reciprocally movably disposed on an axis in the sleeve, opening and closing the port; an electromagnetic actuator, including a plunger disposed on the axis and a stator; a transmission member interposed between the plunger and the spool; and an energizing spring, energizing the spool toward the plunger. The transmission member includes a first abutting part of a convex shape tiltably abutting against a receiving recess of the plunger; a second abutting part of a concave shape abutting against a convex end of the spool; and an outer peripheral wall that, in a state of being deviated from the axis and inclined, regulates the inclination by contacting an inner peripheral surface of the sleeve or the stator.