Abstract: A pulse valve includes: a housing having: a channel through which a fluid flows in a discharge direction; and a hole recessed toward the channel in an opposite direction opposite to the discharge direction; and a nozzle, fitted into the hole in the opposite direction, the nozzle including: a nozzle pipe having: a nozzle hole, at one end of the nozzle pipe in the discharge direction, from which the fluid flowing through the channel is discharged in the discharge direction; and another end communicating with the channel in the discharge direction; and a connection ferrule at a periphery of the nozzle pipe and fixed to the housing.

Abstract: A composition capable of reducing the resistance of an electrochemical device containing a sulfide solid electrolyte, a mixture for a solid-state battery, a sulfide solid electrolyte layer, an electrode layer, and a secondary battery.

Abstract: A composition capable of reducing the resistance of an electrochemical device containing a sulfide solid electrolyte, a mixture for an electrochemical device, a mixture sheet for an electrochemical device, an electrochemical device, and a method for producing a mixture sheet for an electrochemical device. Provided is a composition containing: a sulfide solid electrolyte; a fluoropolyether; and a fibrillatable resin.

Abstract: A method for manufacturing a battery includes: a step of obtaining a resin current collector by applying a first slurry containing a first resin and a second resin to one or both surfaces of a substrate and solidifying the first slurry to form a resin layer; and a step of obtaining an electrode by applying a second slurry containing an electrode active material and a solvent to the resin layer of the resin current collector and solidifying the second slurry to form an electrode active material layer. The first resin is a resin that is not soluble in the solvent of the second slurry. The second resin is a resin that is soluble in the solvent of the second slurry.

Abstract: A current collector comprising a first layer including a light metal, and a second layer including Ni chemical element, wherein the current collector has an X-ray diffraction pattern obtained by irradiating CuK? radiation onto the second layer using an X-ray diffraction (XRD) device, the X-ray diffraction pattern including diffraction peaks at positions of 2?=44.0° to 45.0°, 51.0° to 52.0°, 76.0° to 77.0°, 92.5° to 93.5°, and 98.0° to 99.0°, and a manufacturing method of the current collector and a battery employing the current collector.

Abstract: A current collector according to the present disclosure includes a substrate that contains elemental aluminum, and a protective layer that is formed on a side of the substrate that is in contact with an electrode active material layer. The strength of the substrate is equal to 200 MPa or higher.

Abstract: Provided is an ink including a solvent, a resin, and thickening particles. The ink has a viscosity of 3.00×103 mPa·s or more and 2.50×104 mPa·s or less at 25° C. at a shear rate of 1 s?1, and a viscosity of 130 mPa·s or less at 25° C. at a shear rate of 5,000 s?1.

Abstract: Disclosed is a technology for reducing the resistance of a secondary battery including a sulfide solid electrolyte. The secondary battery of the present disclosure includes a first electrode, an electrolyte layer, and a second electrode, wherein at least one of the first electrode and the electrolyte layer contains a sulfide solid electrolyte, and the first electrode contains a perfluoropolyether represented: where Rf1 and Rf2 are each independently a C1-16 divalent alkylene group which may be substituted with one or more fluorine atoms, E1 and E2 are each independently a monovalent group selected from the group consisting of a fluorine group, a hydrogen group, a hydroxyl group, an aldehyde group, a carboxylic acid group, a C1-10 alkyl ester group, an amide group which may have one or more substituents, and an amino group which may have one or more substituents, and RF is a divalent fluoropolyether group.

Abstract: The current collector includes: a first layer that includes Al; a second layer that is disposed on the first layer and includes a metal element M, the metal element M having an oxidation-reduction potential based on Li of 2.3V or more and not being an amphoteric element; and a third layer that is disposed on the second layer and includes a resin.

Abstract: Disclosed is a novel technology for reducing the resistance and improving the cycle characteristics of a secondary battery including a sulfide solid electrolyte. The secondary battery of the present disclosure includes a first electrode, an electrolyte layer, and a second electrode, wherein at least one of the first electrode and the electrolyte layer contains a sulfide solid electrolyte, and the first electrode contains an active material having voids and a perfluoropolyether represented by formula (1) below.

Abstract: In a secondary battery including an electrolyte layer containing a sulfide solid electrolyte, the electrolyte layer has both high voltage resistance and high ionic conductivity. The secondary battery of the present disclosure includes a positive electrode, an electrolyte layer, and a negative electrode, wherein the electrolyte layer contains a sulfide solid electrolyte and a perfluoropolyether represented by formula (1) below: where Rf1 and Rf2 are each independently a C1-16 divalent alkylene group which may be substituted with one or more fluorine atoms, E1 and E2 are each independently a monovalent group selected from the group consisting of a fluorine group, a hydrogen group, a hydroxyl group, an aldehyde group, a carboxylic acid group, a C1-10 alkyl ester group, an amide group which may have one or more substituents, and an amino group which may have one or more substituents, and RF is a divalent fluoropolyether group.

Abstract: A main object of the present disclosure is to provide an all solid state battery in which occurrence of short circuit is inhibited. The present disclosure achieves the object by providing an all solid state battery comprising an anode including at least an anode current collector, a cathode, and a solid electrolyte layer arranged between the anode and the cathode; wherein a protective layer containing a Mg-containing particle that contains at least Mg, and also containing a polymer, is arranged between the anode current collector and the solid electrolyte layer.

Abstract: A main object of the present disclosure is to provide a composite particle capable of suppressing a battery resistance. The present disclosure achieves the object by providing a composite particle including: a plurality of active material containing a Si element or a Sn element; and a binder, wherein, when a cross-section of the composite particle is observed, the composite particle includes a first portion containing the active material, and a second portion not containing the active material, and a rate of the second portion in the composite particle is 55% or less.

Abstract: A main object of the present disclosure is to provide an electrode layer of which volume change amount is suppressed. The present disclosure achieves the object by providing an electrode layer including a composite particle, wherein the composite particle includes: a plurality of active material containing a Si element or a Sn element; and a binder; and when R designates an average particle size of the composite particle in a thickness direction of the electrode layer, and d designates a thickness of the electrode layer, a rate of the R with respect to the d, which is R/d, is 0.20 or less.

Abstract: A main object of the present disclosure is to provide an all solid state battery in which occurrence of short circuit is inhibited. The present disclosure achieves the object by providing an all solid state battery including an anode including at least an anode current collector, a cathode, and a solid electrolyte layer arranged between the anode and the cathode; wherein a protective layer containing a Mg-containing particle that contains at least Mg, and also contains a polymer, is arranged between the anode current collector and the solid electrolyte layer; and a contacting area rate in an interface between the solid electrolyte layer and the protective layer is 50% or more.

Abstract: A main object of the present disclosure is to provide an all solid state battery in which occurrence of short circuit is inhibited. The present disclosure achieves the object by providing an all solid state battery comprising an anode including at least an anode current collector, a cathode, and a solid electrolyte layer arranged between the anode and the cathode; wherein a protective layer containing a Mg-containing particle that contains at least Mg, and also containing a polymer, is arranged between the anode current collector and the solid electrolyte layer; the solid electrolyte layer contains a solid electrolyte in a granular shape; and when X designates an average particle size D50 of the solid electrolyte and Y designates an average thickness of the solid electrolyte layer, X/Y is 0.0125 or more and 0.02 or less.

Abstract: A main object of the present disclosure is to provide a battery of which degrade in discharge properties caused by an anode current collector (Al current collector) is inhibited. The present disclosure achieves the object by providing a battery including a cathode, an anode, and an electrolyte layer arranged between the cathode and the anode, wherein the anode includes an anode current collector that is an Al current collector, and an anode active material layer containing an anode active material of which reaction potential is lower than that of Al; and the anode current collector is covered with a resin coating layer containing a resin and a conductive material, and further, an intermediate layer containing the resin and the anode active material is arranged between the resin coating layer and the anode active material layer.

Abstract: Disclosed is a negative electrode mixture capable of improving cycle characteristics of a secondary battery. The negative electrode mixture of the present disclosure includes active material secondary particles and a sulfide solid electrolyte, wherein the active material secondary particles include a plurality of silicon particles and a polymer binding the silicon particles, and the polymer has a property of 0.37??A/?B (wherein ?A is bending strain of molded body A, the molded body A is a molded body consisting of the polymer and the sulfide solid electrolyte and including 20% by volume of the polymer and having a filling ratio of 90%, ?B is bending strain of molded body B, and the molded body B is a molded body consisting of the sulfide solid electrolyte and having a filling ratio of 90%).

Abstract: An electrode for all-solid-state battery includes a first sulfide solid electrolyte, a second sulfide solid electrolyte, and an active material. The first sulfide solid electrolyte has an LGPS type crystal structure. The second sulfide solid electrolyte is a glass ceramic. A mass fraction of the second sulfide solid electrolyte with respect to a sum of the first sulfide solid electrolyte and the second sulfide solid electrolyte is more than 5% and 20% or less.

Abstract: Provided is an ink including a solvent, a resin, and thickening particles. The ink has a viscosity of 3.00×103 mPa·s or more and 2.50×104 mPa·s or less at 25° C. at a shear rate of 1 s?1, and a viscosity of 130 mPa·s or less at 25° C. at a shear rate of 5,000 s?1.