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: 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: Provided are a method for producing a sulfide solid electrolyte having a high Li ion conductivity, in which the production time can be greatly reduced, and a sulfur-based material that can be used in the production method for a sulfide solid electrolyte. The invention relates to a method for producing a sulfide solid electrolyte containing a lithium element, a sulfur element, a phosphorus element, an iodine element and a bromine element, which includes mixing and grinding lithium sulfide and lithium bromide followed by adding phosphorus sulfide and lithium iodide thereto and reacting them, and relates to a sulfur-based material.

Abstract: Provided is a method of producing a sulfide solid electrolyte with which the capacity retention of an all-solid-state battery can be improved. The method of producing a sulfide solid electrolyte comprises synthesizing material for a sulfide solid electrolyte from raw material for an electrolyte; and after said synthesizing, heating the material for a sulfide solid electrolyte in a flow of a gas at a temperature of no less than a melting point of elemental sulfur, the gas being able to form a chemical bond with the elemental sulfur.

Abstract: The present disclosure provides a method of producing a sulfide solid electrolyte material which includes a preparing process of preparing composite particles including a solid solution including a Li2S component and a LiBr component; an addition process of adding the composite particles and a phosphorus source to a reaction chamber; and a milling process in which a mechanical milling treatment is performed on the composite particles and the phosphorus source in the reaction chamber while thermal energy is applied.

Abstract: The present invention provides a conveying device and a conveyance method that can improve manufacturing efficiency for the target object and reduce apparatus costs. A conveying device for conveying a strip sheet has a double spiral route comprising a first spiral route from an outer side toward a. center side and a second spiral route from the center side toward an outer side connected successively in this order, and the first spiral route and the second spiral route are each composed of a plurality of conveyor rollers.

Abstract: A method for producing complexed particles including obtaining a good solvent solution, by dissolving Li2S, and LiX (X is at least one selected from a group consisting of F, Cl, Br, and I) in a good solvent, and precipitating particles by contacting the good solvent solution with a poor solvent having a temperature at least 165° C. higher than the boiling point of the good solvent, to evaporate off the good solvent. The method further satisfies at least one of the following: (i) the good solvent solution being obtained by further dissolving H2S in the good solvent, and (ii) H2S being dissolved in the poor solvent.

Abstract: A method for efficiently producing fine particles in a complex state from a plurality of raw material components is provided. The method includes spraying a good solvent solution made from a good solvent and the plurality of raw material components dissolved in the good solvent into a poor solvent having a temperature of at least 165° C. higher than the boiling point of the good solvent and evaporating off the good solvent and precipitating a plurality of fine particles.

Abstract: A method for producing a sulfide glass ceramic, including reacting a lithium compound, a phosphorus compound and a halogen compound in a solvent that contains a hydrocarbon and an ether compound to produce a sulfide glass that contains a Li element, a P element, a S element and one or more halogen elements, and heating the sulfide glass to produce a sulfide glass ceramic.

Abstract: The present disclosure provides a method of producing a sulfide solid electrolyte material which includes a preparing process of preparing composite particles including a solid solution including a Li2S component and a LiBr component; an addition process of adding the composite particles and a phosphorus source to a reaction chamber; and a milling process in which a mechanical milling treatment is performed on the composite particles and the phosphorus source in the reaction chamber while thermal energy is applied.

Abstract: Provided is a method of producing a sulfide solid electrolyte with which the capacity retention of an all-solid-state battery can be improved. The method of producing a sulfide solid electrolyte comprises synthesizing material for a sulfide solid electrolyte from raw material for an electrolyte; and after said synthesizing, heating the material for a sulfide solid electrolyte in a flow of a gas at a temperature of no less than a melting point of elemental sulfur, the gas being able to form a chemical bond with the elemental sulfur.

Abstract: A method for producing complexed particles, wherein the method comprises: obtaining a good solvent solution, by dissolving Li2S, and LiX (X is at least one selected from a group consisting of F, Cl, Br, and I) in a good solvent, and precipitating particles by contacting the good solvent solution with a poor solvent having a temperature at least 165° C. higher than the boiling point of the good solvent, to evaporate off the good solvent; and, wherein the method satisfies at least one of the following: (i) the good solvent solution being obtained by further dissolving H2S in the good solvent, and (ii) H2S being dissolved in the poor solvent.

Abstract: Provided are a method for producing a sulfide solid electrolyte having a high Li ion conductivity, in which the production time can be greatly reduced, and a sulfur-based material that can be used in the production method for a sulfide solid electrolyte. The invention relates to a method for producing a sulfide solid electrolyte containing a lithium element, a sulfur element, a phosphorus element, an iodine element and a bromine element, which includes mixing and grinding lithium sulfide and lithium bromide followed by adding phosphorus sulfide and lithium iodide thereto and reacting them, and relates to a sulfur-based material.

Abstract: A method for producing a lithium composition capable of suppressing the generation of polysulfides is provided. The method for producing a lithium composition includes a first aqueous solution forming step of forming a first aqueous solution by reacting iodine with a reducing aqueous solution containing calcium oxide, formic acid, and water under a condition of a pH of 5.5 or more and a pH of 10.21 or less through heating, a second aqueous solution forming step of forming a second aqueous solution by adding calcium oxide to the first aqueous solution, a third aqueous solution forming step of forming a third aqueous solution by adding lithium carbonate to the second aqueous solution, and a Li2S forming step of forming the lithium sulfide (Li2S) by sulfurizing lithium hydroxide (LiOH) to form lithium hydrosulfide (LiHS) and then eliminating hydrogen sulfide from lithium hydrosulfide (LiHS).

Abstract: The object of the disclosure is to provide a method for efficiently producing fine particles with low crystal growth of the raw material components, in particular fine particles with a plurality of raw material components in a highly complexed state and having low crystal growth, without blockage of the nozzle. The method of the disclosure for producing particles includes injecting a good solvent solution that includes a good solvent and one or more raw material components dissolved in the good solvent, with a nozzle into a precipitating poor solvent that has been heated to a temperature higher than the boiling point of the good solvent, to evaporate the good solvent solution and precipitate a plurality of particles, and running a cleansing poor solvent through the nozzle before starting and after completing injection of the good solvent solution into the precipitating poor solvent.

Abstract: The object of the disclosure is to provide a method for efficiently producing fine particles with low crystal growth of the raw material components, in particular fine particles with a plurality of raw material components in a highly complexed state and having low crystal growth, without blockage of the nozzle. The method of the disclosure for producing particles includes injecting a good solvent solution that includes a good solvent and one or more raw material components dissolved in the good solvent, with a nozzle into a precipitating poor solvent that has been heated to a temperature higher than the boiling point of the good solvent, to evaporate the good solvent solution and precipitate a plurality of particles, and running a cleansing poor solvent through the nozzle before starting and after completing injection of the good solvent solution into the precipitating poor solvent.

Abstract: A main object of the present invention is to provide a method for manufacturing a sulfide solid electrolyte that enables a sulfide solid electrolyte whose ion-conducting characteristic is easy to be improved, to be manufactured. The present invention is a method for manufacturing a sulfide solid electrolyte including loading a raw material for manufacturing a sulfide solid electrolyte which is mainly composed of a substance represented by the general formula of (100?x)(0.75Li2S.0.25P2S5).xLiI (here, 0<x<100), into a vessel; and amorphizing the raw material after said loading, wherein a reaction site temperature in the vessel is controlled so that x included in the general formula and the reaction site temperature y [° C.] in the vessel in said amorphizing satisfy y<?2.00x+1.79×102.

Abstract: The object of the disclosure is to provide a method for efficiently producing fine particles with low crystal growth of the raw material components, in particular fine particles with a plurality of raw material components in a highly complexed state and having low crystal growth, without blockage of the nozzle. The method of the disclosure for producing particles includes injecting a good solvent solution that includes a good solvent and one or more raw material components dissolved in the good solvent, with a nozzle into a precipitating poor solvent that has been heated to a temperature higher than the boiling point of the good solvent, to evaporate the good solvent solution and precipitate a plurality of particles, and running a cleansing poor solvent through the nozzle before starting and after completing injection of the good solvent solution into the precipitating poor solvent.