Abstract: Provided is a coin-shaped lithium ion secondary battery including a positive electrode layer, a negative electrode layer, a separator interposed between, an electrolytic solution, and an exterior body having a coin shape with a bulge on at least one surface and comprising a closed space accommodating the positive electrode layer, the negative electrode layer, the separator, and the electrolytic solution. The lithium ion secondary battery has a main region where all of the positive electrode layer, the negative electrode layer, and the separator overlap and a peripheral region which is devoid of at least one of the positive electrode layer, the negative electrode layer, and the separator, wherein a battery bulge ratio that is the ratio of the maximum thickness of the lithium ion secondary battery in the main region to the minimum thickness of the lithium ion secondary battery in the main region is 1.01 to 1.25.

Abstract: Provided is a lithium secondary battery including: a positive electrode plate which is a lithium complex oxide sintered plate; a negative electrode layer; a separator; an electrolytic solution; and a pair of exterior films having outer peripheral edges sealed with each other to form an internal space that accommodates the battery elements, wherein the portions of the negative electrode layer and the separator corresponding to the outer extension of the battery is deviated toward the positive electrode plate side from the portions of the negative electrode layer and the separator corresponding to the body of the battery.

Abstract: A lithium ion secondary battery includes a pair of exterior films having outer edges bonded together in a stacked state to form an internal space, a battery body housed in the internal surface, a positive electrode tab terminal connected to the battery body in between the pair of exterior films and extending to an outside, and a negative electrode tab terminal connected to the battery body in between the pair of exterior films and extending to the outside. The pair of exterior films each include a first resin layer constituting an inner surface, the inner surfaces opposing each other. The inner surface of at least one of the pair of exterior films has a plurality of projections arranged thereon apart from each other.

Abstract: Provided is a lithium secondary battery including: a positive electrode plate being a lithium complex oxide sintered plate; a negative electrode layer; a separator; a positive electrode current collector foil; a negative electrode current collector foil; an electrolytic solution; a pair of exterior films having outer peripheral edges sealed with each other to form an internal space that accommodates the battery elements; a positive electrode tab terminal; and a negative electrode tab terminal, wherein the inner peripheral edge of the sealed part of the exterior films and the outer peripheral edge of the positive electrode plate are apart from each other at a distance Wp of 2.0 to 4.0 mm on the side on which the positive electrode tab terminal is sealed, and the electrolytic solution has a volume of 1.05 to 1.25 times the total void volume of the positive electrode plate, the separator, and the negative electrode layer.

Abstract: In a lithium secondary cell, a positive electrode includes a sheet-like positive current collector having conductivity and a positive active material plate that is a plate-like ceramic sintered body containing a lithium composite oxide. The positive active material plate is bonded to the positive current collector via a conductive bonding layer. The positive active material plate is penetrated by the conductive bonding layer through a surface of the positive active material plate facing the positive current collector. A penetration depth of the conductive bonding layer in the positive active material plate with respect to a direction of superposition is 3% or more and 80% or less of a thickness of the positive active material plate.

Abstract: A thin lithium secondary cell includes a positive electrode, a separator, a negative electrode, an electrolytic solution, and a cell case. The separator is arranged on the positive electrode in a predetermined direction of superposition. The separator includes a resin layer. The negative electrode is arranged on the separator on the side opposite to the positive electrode in the direction of superposition. The positive electrode, the negative electrode, and the separator are impregnated with the electrolytic solution. The cell case has a sheet-like shape and covers the positive electrode and the negative electrode from both sides in the direction of superposition. The cell case houses therein the positive electrode, the separator, the negative electrode, and the electrolytic solution. The separator has air permeability higher than or equal to 20 sec/100 cc and lower than or equal to 80 sec/100 cc.

Abstract: A positive electrode of a lithium secondary battery includes a positive electrode current collector and a positive electrode active material plate that is a plate-like ceramic sintered compact containing a lithium complex oxide. The positive plate is joined to the positive electrode current collector and opposes a separator. A negative electrode includes a negative electrode current collector and a negative electrode active material layer containing a carbonaceous material or a lithium occlusion substance. The negative layer coats the negative electrode current collector and opposes the separator. An outer sheath is joined to the positive electrode current collector via a joint layer and joined to the negative electrode current collector via a joint layer. Joint strength between the negative electrode current collector and the outer sheath is lower than joint strength between the positive electrode current collector and the outer sheath.

Abstract: Provided is a lithium secondary battery including: a positive electrode plate being a lithium complex oxide sintered plate; a negative electrode layer; a separator; a positive electrode current collector foil; a negative electrode current collector foil; an electrolytic solution; a pair of exterior films having outer peripheral edges sealed with each other to form an internal space that accommodates the battery elements; a positive electrode tab terminal; and a negative electrode tab terminal, wherein the inner peripheral edge of the sealed part of the exterior films and the outer peripheral edge of the positive electrode plate are apart from each other at a distance Wp of 2.0 to 4.0 mm on the side on which the positive electrode tab terminal is sealed, and the electrolytic solution has a volume of 1.05 to 1.25 times the total void volume of the positive electrode plate, the separator, and the negative electrode layer.

Abstract: Provided is a lithium secondary battery including: a positive electrode plate which is a lithium complex oxide sintered plate; a negative electrode layer; a separator; an electrolytic solution; and a pair of exterior films having outer peripheral edges sealed with each other to form an internal space that accommodates the battery elements, wherein the portions of the negative electrode layer and the separator corresponding to the outer extension of the battery is deviated toward the positive electrode plate side from the portions of the negative electrode layer and the separator corresponding to the body of the battery.

Abstract: The zeolite structure is a porous zeolite structure constituted of a formed article obtained by extruding a zeolite raw material containing zeolite particles and an inorganic binding material including at least basic aluminum chloride, a ratio P1 (P1=V2/V1×100) of a volume V2 of the inorganic binding material in the zeolite structure with respect to a volume V1 of the zeolite structure is from 10 to 50 vol %, and a relation of equation (1) is satisfied: P2/P1?1.0??(1), in which P1 is the ratio of the volume V2 of the inorganic binding material in the zeolite structure with respect to the volume V1 of the zeolite structure and P2 (P2=Vb/Va×100) is a ratio of volumes Vb of pores having pore diameters of 0.003 to 0.03 ?m with respect to the whole pore volume Va of the zeolite structure.

Abstract: Provide is a zinc secondary battery capable of preventing a short circuit between the positive and negative electrodes caused by zinc dendrites. The zinc secondary battery of the present invention comprises a positive electrode; a negative electrode containing zinc; an electrolytic solution in which the positive electrode and the negative electrode are immersed or with which the positive electrode and the negative electrode are in contact, wherein the electrolytic solution is an aqueous solution containing an alkali metal hydroxide; and a separator being placed between the positive electrode and the negative electrode and separating the positive electrode and the negative electrode from each other, wherein the separator comprises an inorganic solid electrolyte body having hydroxide ion conductivity.

Abstract: A formed zeolite honeycomb article comprises a formed article obtained by extruding a zeolite raw material containing zeolite particles, an inorganic binding material and a filler constituted of plate-like particles in a honeycomb shape including partition walls disposed to form a plurality of cells, a drying shrinkage of the partition walls in a thickness direction thereof is larger than a drying shrinkage of the partition walls in a cell extending direction thereof and a drying shrinkage of the partition walls in a diametric direction perpendicular to the cell extending direction thereof, and the drying shrinkage of the partition walls in the thickness direction thereof is 1.2 or more times the drying shrinkage of the partition walls in the diametric direction perpendicular to the cell extending direction thereof in the formed zeolite honeycomb article.

Abstract: The manufacturing method includes a mixing step of mixing a plurality of zeolite particles, an inorganic binding material and an organic binder, to prepare a zeolite raw material, a forming step of extruding the zeolite raw material to obtain a formed zeolite article, and a firing step of firing the formed zeolite article to prepare the zeolite structure. The mixing step includes an inorganic binding material containing at least one type of silica sol selected from the group consisting of acid silica sol, silica sol containing silica particles coated with alumina, cationic silica sol, silica sol containing string-like silica particles, and silica sol containing bead-like silica particles. A content ratio of silica particles contained in the silica sol selected from the group is from 10 to 30 mass% with respect to 100 mass% of the zeolite particles.

Abstract: An all-solid-state cell contains at least a positive electrode layer, a solid electrolyte layer, and a negative electrode layer, which are arranged in a stack. The positive electrode layer contains only a positive electrode active material, and a predetermined crystal plane of the positive electrode active material is oriented in a direction of lithium ion conduction. The negative electrode layer contains a carbonaceous material, and the volume ratio of the carbonaceous material to the negative electrode layer is 70% or greater.

Abstract: The zeolite structure includes a zeolite material containing a plurality of zeolite particles and an inorganic binding material which binds the zeolite particles to one another, the plurality of zeolite particles include fine zeolite particles having a small average particle diameter and coarse zeolite particles which have an average particle diameter of three or more times the average particle diameter of the fine zeolite particles and which are not an agglomerated material of primary particles, a ratio of volumes of the coarse zeolite particles with respect to the whole volume of the plurality of zeolite particles is from 40 to 90 vol %, in the zeolite material, a ratio of a volume of the inorganic binding material is from 5 to 50 vol %, and a zeolite raw material containing the plurality of zeolite particles and the inorganic binding material is extruded to form a zeolite structure.

Abstract: Provide is a zinc secondary battery capable of preventing a short circuit between the positive and negative electrodes caused by zinc dendrites. The zinc secondary battery of the present invention comprises a positive electrode; a negative electrode containing zinc; an electrolytic solution in which the positive electrode and the negative electrode are immersed or with which the positive electrode and the negative electrode are in contact, wherein the electrolytic solution is an aqueous solution containing an alkali metal hydroxide; and a separator being placed between the positive electrode and the negative electrode and separating the positive electrode and the negative electrode from each other, wherein the separator comprises an inorganic solid electrolyte body having hydroxide ion conductivity.

Abstract: The zeolite structure is a porous zeolite structure constituted of a formed article obtained by extruding a zeolite raw material containing zeolite particles and an inorganic binding material including at least basic aluminum chloride, a ratio P1 (P1=V2/V1×100) of a volume V2 of the inorganic binding material in the zeolite structure with respect to a volume V1 of the zeolite structure is from 10 to 50 vol %, and a relation of equation (1) is satisfied: P2/P1?1.0??(1), in which P1 is the ratio of the volume V2 of the inorganic binding material in the zeolite structure with respect to the volume V1 of the zeolite structure and P2 (P2=Vb/Va×100) is a ratio of volumes Vb of pores having pore diameters of 0.003 to 0.03 ?m with respect to the whole pore volume Va of the zeolite structure.

Abstract: The zeolite structure is a porous zeolite structure constituted of a formed article obtained by extruding a zeolite raw material containing zeolite particles and an inorganic binding material including at least basic aluminum chloride, a ratio P1 (P1=V2/V1×100) of a volume V2 of the inorganic binding material in the zeolite structure with respect to a volume V1 of the zeolite structure is from 10 to 50 vol %, and a relation of equation (1) is satisfied: P2/P1?1.0??(1), in which P1 is the ratio of the volume V2 of the inorganic binding material in the zeolite structure with respect to the volume V1 of the zeolite structure and P2 (P2=Vb/Va×100) is a ratio of volumes Vb of pores having pore diameters of 0.003 to 0.03 ?m with respect to the whole pore volume Va of the zeolite structure.

Abstract: An all-solid-state cell has a positive electrode layer containing a positive electrode active material, a solid electrolyte layer containing a lithium ion conducting material, and a negative electrode layer containing a negative electrode active material. The negative electrode active material in the negative electrode layer contains a plurality of cylindrical carbon nanotube molecules, and the axes of the carbon nanotube molecules are oriented in a predetermined direction.

Abstract: A heat float switch includes a first member and a second member. The first member includes a base member and a carbon nanotube layer formed on a surface of the base member. The heat float switch switches states between a connected state in which the carbon nanotube layer of the first member is in contact with the second member and an unconnected state in which the carbon nanotube layer of the first member is not in contact with the second member.