Abstract: An electrode composition includes an electrode active material, a solid electrolyte, a solvent, and a dispersant. The dispersant includes a first dispersant and a second dispersant. The first dispersant includes at least one selected from the group consisting of phenols and an amino hydroxy compound. The second dispersant includes at least one selected from the group consisting of a nitrogen-containing compound and an alcohol.

Abstract: A battery material includes a compound having an imidazoline ring and an aromatic ring. The compound has a molecular weight of less than 350. The compound is, for example, 2-benzylimidazoline. The battery material, for example, further includes a solid electrolyte. The solid electrolyte has, for example, a particle shape. The compound is, for example, located between a plurality of particles of the solid electrolyte.

Abstract: A solid electrolyte composition of the present disclosure includes a solvent and an ion conductor including a solid electrolyte, a binder, and a nitrogen-containing organic substance and being dispersed in the solvent. The solid electrolyte includes a sulfide solid electrolyte, the binder includes a styrenic elastomer, and the nitrogen-containing organic substance is represented by the following compositional formula (1). Where, R1 is a chain alkyl group having 7 or more and 21 or less carbon atoms or a chain alkenyl group having 7 or more and 21 or less carbon atoms, R2 is —CH2—, —CO—, or —NH(CH2)3—, and R3 and R4 are each independently a chain alkyl group having 1 or more and 22 or less carbon atoms, a chain alkenyl group having 2 or more and 22 or less carbon atoms, or hydrogen.

Abstract: A solid electrolyte composition of the present disclosure includes a solvent and an ion conductor including a solid electrolyte, a binder, and a nitrogen-containing organic substance and being dispersed in the solvent. The solid electrolyte includes a sulfide solid electrolyte, the binder includes a styrenic elastomer, and the nitrogen-containing organic substance includes at least one selected from the group consisting of primary amines, secondary amines, aminohydroxy compounds, and diamines. The primary amines, the secondary amines, the aminohydroxy compounds, and the diamines each have at least one selected from the group consisting of chain alkyl groups having 8 or more carbon atoms and chain alkenyl groups having 8 or more carbon atoms. The mass proportion of the nitrogen-containing organic substance to the solid electrolyte is 0.30 mass % or more.

Abstract: The solid electrolyte composition of the present disclosure includes a solid electrolyte and a dialkylamine-based dispersant. The dialkylamine-based dispersant is represented by the following compositional formula (1), wherein R1 is a hydrocarbon group, and R2 and R3 are each independently an alkyl group having 1 or more and 3 or less carbon atoms.

Abstract: A battery includes a first electrode, a first solid electrolyte layer in contact with the first electrode, a second electrode, and a second solid electrolyte layer located between the second electrode and the first solid electrolyte layer and in contact with the second electrode and the first solid electrolyte layer. An organic compound content of the first solid electrolyte layer is smaller than an organic compound content of the second solid electrolyte layer, and a thickness of the first solid electrolyte layer is smaller than a thickness of the second solid electrolyte layer.

Abstract: A battery includes: a positive electrode current collector, a positive electrode active material layer, a solid electrolyte layer containing a solid electrolyte, a negative electrode active material layer, and a negative electrode current collector that are laminated in this order; and a sealing member. The battery has an opening hole penetrating the positive electrode current collector, the positive electrode active material layer, the solid electrolyte layer containing the solid electrolyte, the negative electrode active material layer, and the negative electrode current collector in a laminating direction and further includes a sealing member. In cross-sectional view perpendicular to the laminating direction, the sealing member is located between the opening hole and each of the positive electrode active material layer, the solid electrolyte layer, and the negative electrode active material layer.

Abstract: The present disclosure provides a battery that can further reliably suppress penetration of moisture and so forth inside the battery. A battery according to an embodiment of the present disclosure includes a power generation element; and a sealing member containing an insulating material and zeolite particles. The power generation element includes a positive electrode, a negative electrode, and a solid electrolyte layer disposed between the positive electrode and the negative electrode. The zeolite particles have an average particle size less than or equal to 1 ?m.

Abstract: A battery according to the present disclosure includes: a collector; an electrode layer in contact with the collector; a solid electrolyte layer containing a solid electrolyte; and a sealing layer containing a sealing material, and the collector has an annealing softening temperature lower than a glass transition temperature of the sealing material.

Abstract: A battery includes: an electrode layer; a counter electrode layer, which is a counter electrode for the electrode layer; a solid electrolyte layer between the electrode layer and the counter electrode layer; and an electrode current collector electrically coupled to the electrode layer. The solid electrolyte layer includes a first region containing a first solid electrolyte material and a second region containing a second solid electrolyte material. The first region is positioned within a region where the electrode layer and the counter electrode layer face each other. Moreover, a second density, which is of the second solid electrolyte material in the second region, is higher than a first density, which is of the first solid electrolyte material in the first region.

Abstract: A battery includes a positive electrode active material layer, a negative electrode active material layer, and a solid electrolyte layer located therebetween. The battery satisfies Requirement (i) or Requirement (ii). (i) At least one layer selected from the group consisting of the positive electrode active material layer, the negative electrode active material layer, and the solid electrolyte layer contains a halide solid electrolyte and a sulfide solid electrolyte, and a mass ratio of the sulfide solid electrolyte to a total of the above-described three layers is less than or equal to 1%. (ii) At least one layer selected from the group consisting of the positive electrode active material layer, the negative electrode active material layer, and the solid electrolyte layer contains a halide solid electrolyte and an odorant, and a mass ratio of the odorant to a total of the above-described three layers is less than or equal to 1%.

Abstract: A battery includes an electrode layer, a counter electrode layer, which is a counter electrode for the electrode layer, and a solid electrolyte layer between the electrode layer and the counter electrode layer. The solid electrolyte layer has a first region containing a first solid electrolyte material and a second region containing a second solid electrolyte material. The first region is positioned within a region where the electrode layer and the counter electrode layer face each other. The second region is positioned on an outer peripheral side of the region where the electrode layer and the counter electrode layer face each other, and is in contact with the first region. The first region includes a first projecting portion that projects outward from a region where the electrode layer and the counter electrode layer face each other, and the second region covers the first projecting portion.

Abstract: A method of producing a slurry composition includes the following (a) to (c): (a) forming a binder solution by mixing a binder with a solvent; (b) filtering the binder solution to form a filtrate; and (c) producing a slurry composition by mixing the filtrate with a solid electrolyte.

Abstract: A first layer is formed. A second layer is formed by coating a slurry onto a surface of the first layer. The second layer is subjected to pressing, thereby manufacturing an electrode laminate. The forming of the first layer is performed such that a relation of an Expression “0.1<Sa<0.2” is satisfied. In the Expression, Sa (?m) represents an arithmetic mean height of the surface of the first layer.

Abstract: There is provided an electrode layer for an all-solid state battery, which contains an electrode active material and a sulfide solid electrolyte, where the sulfide solid electrolyte has an average particle diameter of less than 1 µm and the electrode layer contains an imidazoline-based dispersion material.

Abstract: An electrode layer for an all-solid state battery contains an electrode active material, a sulfide solid electrolyte, and a residual liquid, where the residual liquid has a ?P of less than 2.9 MPa½ in a Hansen solubility parameter and a boiling point of 190° C. or higher.

Abstract: A negative electrode layer that is used for an all-solid-state battery includes: lithium titanate; a sulfide solid electrolyte; and a rubber binder. The ratio of the amount A of the rubber binder adsorbed on the lithium titanate to the total content B of the rubber binder in the negative electrode layer is 1.35% or less.

Abstract: A battery module of the present disclosure includes a battery case, at least one sulfide-based battery disposed inside the battery case, and at least one halogen-based battery disposed inside the battery case. A vehicle of the present disclosure includes the battery module and an electric motor configured to be driven by electric power supplied from the battery module. A method of manufacturing a battery module of the present disclosure includes disposing at least one sulfide-based battery inside the battery case and disposing at least one halogen-based battery inside the battery case.

Abstract: A battery includes an electrode layer, a counter electrode layer, which is a counter electrode for the electrode layer, and a solid electrolyte layer between the electrode layer and the counter electrode layer. The solid electrolyte layer has a first region containing a first solid electrolyte material and a second region containing a second solid electrolyte material. The first region is positioned within a region where the electrode layer and the counter electrode layer face each other. The second region is positioned on an outer peripheral side of the region where the electrode layer and the counter electrode layer face each other, and is in contact with the first region. The first region includes a first projecting portion that projects outward from a region where the electrode layer and the counter electrode layer face each other, and the second region covers the first projecting portion.

Abstract: A battery includes an electrode layer, a counter electrode layer, and a solid electrolyte layer between the electrode layer and the counter electrode layer. The solid electrolyte layer has a first region containing a first solid electrolyte material and a second region containing a second solid electrolyte material. The first region is within a region where the electrode layer and the counter electrode layer face each other. With respect to the first region, the second region is positioned on an outer peripheral side of the region where the electrode layer and the counter electrode layer face each other, and is in contact with the first region. A second density, which is the density of the second solid electrolyte material in the second region, is higher than a first density, which is the density of the first solid electrolyte material in the first region.