Abstract: Provided is a secondary battery binder composition containing a water-soluble crosslinked polymer obtained by crosslinking a copolymer containing a (meth)acrylic acid component and a (meth)acrylic acid ester component as constitutional components by an aziridine compound, and water. Also provided are an electrode composition, an electrode sheet, a secondary battery, a production method for the electrode sheet, and a production method for the secondary battery.

Abstract: A compound is represented by the following formula (I): wherein each of Ar1 and Ar2 independently represents an aromatic ring or an aromatic heterocyclic ring; each of R1, R2, R3 and R4 independently represents a hydrogen atom or a substituent; each of Z1 and Z2 independently represents a carbon atom or a nitrogen atom; each of ring Q1 containing a carbon atom and Z1, and ring Q2 containing a carbon atom and Z2 independently represents an aromatic ring or an aromatic heterocyclic ring; and A1 represents a single bond or a divalent linking group.

Abstract: A non-aqueous liquid electrolyte for a secondary battery, containing: at least one selected from a carbonate compound having a halogen atom and a sulfur-containing ring compound; an aromatic ketone compound; an organic solvent; and an electrolyte salt, in which, with respect to 100 parts by mass of the organic solvent, the aromatic ketone compound is 0.001 to 10 parts by mass and the at least one selected from a carbonate compound having a halogen atom and a sulfur-containing ring compound is 0.001 to 10 parts by mass, and more than 50% by mass of the whole amount of the organic solvent is composed of a solvent with a melting point of 10° C. or less.

Abstract: A non-aqueous liquid electrolyte for a secondary battery, containing, in an aprotic solvent: an electrolyte; a particular nitrile compound; and a flame retardant composed of a particular phosphate compound or a phosphazene compound, in which the nitrile compound is contained in an amount of 0.1 parts by mass to 10 parts by mass with respect to 100 parts by mass of the flame retardant.

Abstract: A hollow fiber membrane module in which a housing body forming the hollow fiber membrane module includes an insertion opening into which end parts of the plurality of hollow fiber membranes are inserted so as to be fixed and held, and an opening portion which exposes open end surfaces of a plurality of hollow fiber membranes inserted from the insertion opening to outside, and a cover that blocks the opening portion of the housing body. According to the present invention, it is possible to provide a housing enabling open end surfaces of hollow fiber membranes to be sealed by easily exposing the open end surfaces of the hollow fiber membranes when the hollow fiber membranes are damaged.

Abstract: A compound is represented by the following formula (I): wherein N represents a nitrogen atom; C represents a carbon atom; Pt represents a platinum atom; Z1, Z4, Z5, and Z8 represent a carbon atom or a nitrogen atom; Z2, Z3, Z6, and Z7 represent a carbon atom, a nitrogen atom, an oxygen atom or a sulfur atom; Z11 and Z16 represent a carbon atom or a nitrogen atom; Z12, Z13, Z14, Z15, Z17, Z18, Z19, and Z20 represent a carbon atom, a nitrogen atom, an oxygen atom, or a sulfur atom; Y1 and Y2 represent a single bond, an oxygen atom, a sulfur atom, a nitrogen atom; A11 represents a divalent linking group; B1 and B2 represent a single bond or a divalent linking group.

Abstract: A nonaqueous electrolyte solution including a nonaqueous solvent; an electrolyte; and a combustion inhibitor, in which the combustion inhibitor contains a phosphazene compound, and specific conditions are defined by boiling points of a combustion inhibitor, a boiling point of a solvent, and the like.

Abstract: A compound is represented by the following formula (I): wherein each of Ar1 and Ar2 independently represents an aromatic ring or an aromatic heterocyclic ring; each of R1, R2, R3 and R4 independently represents a hydrogen atom or a substituent; each of Z1 and Z2 independently represents a carbon atom or a nitrogen atom; each of ring Q1 containing a carbon atom and Z1, and ring Q2 containing a carbon atom and Z2 independently represents an aromatic ring or an aromatic heterocyclic ring; and A1 represents a single bond or a divalent linking group.

Abstract: Provided is a method for producing an organic electroluminescence device which contains an anode, a cathode and an organic layer between the anode and the cathode where the organic layer contains a light-emitting layer and an adjacent layer adjacent to the light-emitting layer, the method including: applying to the adjacent layer a coating liquid prepared by dissolving or dispersing a light-emitting material and a host material in a solvent, and heating the coating liquid applied to the adjacent layer at a temperature higher than a melting temperature of the host material and higher than a boiling point of the solvent, to thereby form the light-emitting layer, wherein a difference as an absolute value between contact angle A (°) of the light-emitting layer with respect to pure water and contact angle B (°) of the adjacent layer with respect to pure water is 13 (°) or smaller.

Abstract: An electrolytic solution for a non-aqueous secondary battery includes an electrolyte, a phosphazene compound and an aprotic solvent, in which 20 vol % to 90 vol % of the aprotic solvent is composed of a halogen-containing compound having a carbonyl group and a halogen atom.

Abstract: A non-aqueous electrolytic solution secondary battery includes: a positive electrode; a negative electrode; a separator that separates the positive electrode and the negative electrode from each other; and an electrolytic solution that is introduced into the non-aqueous electrolytic solution secondary battery so as to come into contact with the positive electrode and the negative electrode with the separator interposed therebetween, wherein the electrolytic solution contains an electrolyte and a phosphazene compound in an aprotic solvent, and the separator is a complex that is composed of a substrate containing a non-heat-resistant resin and a heat-resistant material coating the substrate.

Abstract: A non-aqueous liquid electrolyte for a secondary battery, containing, in an aprotic solvent: an electrolyte; a particular nitrile compound; and a flame retardant composed of a particular phosphate compound or a phosphazene compound, in which the nitrile compound is contained in an amount of 0.1 parts by mass to 10 parts by mass with respect to 100 parts by mass of the flame retardant.

Abstract: An electrode member has a plurality of spherical electrode sections wherein the radiuses of the spherical sections are different from each other. The spherical electrode sections are disposed in a state wherein the center points of the respective spheres match each other and the spherical electrode sections are insulated from each other such that voltages can be independently applied thereto. Electron-passing openings for electrons, which move from the center point to the outside of the electrode member, are formed at positions where the spherical electrode sections and a plurality of straight lines radially extending from the center point intersect each other.

Abstract: A non-aqueous liquid electrolyte for a secondary battery, containing: at least one selected from a carbonate compound having a halogen atom and a sulfur-containing ring compound; an aromatic ketone compound; an organic solvent; and an electrolyte salt, in which, with respect to 100 parts by mass of the organic solvent, the aromatic ketone compound is 0.001 to 10 parts by mass and the at least one selected from a carbonate compound having a halogen atom and a sulfur-containing ring compound is 0.001 to 10 parts by mass, and more than 50% by mass of the whole amount of the organic solvent is composed of a solvent with a melting point of 10° C. or less.

Abstract: The present invention provides a nonaqueous electrolyte solution, which can improve flame retardancy and ameliorate performances of a battery without deteriorating the basic battery performance as far as possible, and a secondary battery. The nonaqueous electrolyte solution is a nonaqueous electrolyte solution for a secondary battery that contains metal salts including ions of metals belonging to group 1 or 2 of the periodic table and a specific cyclic compound having phosphorus and nitrogen atoms in a non-protonic solvent. The non-protonic solvent is a solvent that contains at least one kind of carboxylic acid ester compound and carbonic acid ester compound, and a ratio (MPN/Ms) between a mass (Ms) of the non-protonic solvent containing the metal salts and a mass (MPN) of the cyclic compound is 0.01 to 1.

Abstract: A compound is represented by the following formula (I): wherein N represents a nitrogen atom; C represents a carbon atom; Pt represents a platinum atom; Z1, Z4, Z5, and Z8 represent a carbon atom or a nitrogen atom; Z2, Z3, Z6, and Z7 represent a carbon atom, a nitrogen atom, an oxygen atom or a sulfur atom; Z11 and Z16 represent a carbon atom or a nitrogen atom; Z12, Z13, Z14, Z15, Z17, Z18, Z19, and Z20 represent a carbon atom, a nitrogen atom, an oxygen atom, or a sulfur atom; Y1 and Y2 represent a single bond, an oxygen atom, a sulfur atom, a nitrogen atom; A11 represents a divalent linking group; B1 and B2 represent a single bond or a divalent linking group.

Abstract: A hollow fiber membrane module in which a housing body forming the hollow fiber membrane module includes an insertion opening into which end parts of the plurality of hollow fiber membranes are inserted so as to be fixed and held, and an opening portion which exposes open end surfaces of a plurality of hollow fiber membranes inserted from the insertion opening to outside, and a cover that blocks the opening portion of the housing body. According to the present invention, it is possible to provide a housing enabling open end surfaces of hollow fiber membranes to be sealed by easily exposing the open end surfaces of the hollow fiber membranes when the hollow fiber membranes are damaged.

Abstract: An organic electroluminescent device is provided and includes: a pair of electrodes; an organic layer including a light emitting layer between the electrodes. The organic layer contains a compound represented by formula (I). In formula (I), R11, R12, and R13 each independently represents a C1-6 alkyl group, Q1 represents a carbon atom or a silicon atom, R14 represents a hydrogen atom or -Q2(R16)(R17)R18 in which Q2 represents a carbon atom or a silicon atom and R16, R17, and R18 each independently represents a C1-6 alkyl group, R15 represents a hydrogen atom, a substituted or unsubstituted alkyl group, a cyano group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group, and n stands for 1 or 2.

Abstract: An organic electroluminescent is provided and includes: a pair of electrodes; and at least one organic layer, between the pair of electrodes, including a light emitting layer. The device comprising, in the at least one organic layer, a compound represented by formula (I): where Qs each independently represents a t-butyl group or a trimethylsilyl group; when the compound has a plurality of Rs, the Rs each independently represents a hydrogen atom, an alkyl group, a cyano group, an aryl group, or a heteroaryl group; and n stands for 1 or 2.

Abstract: Provided is a method for producing an organic electroluminescence device which contains an anode, a cathode and an organic layer between the anode and the cathode where the organic layer contains a light-emitting layer and an adjacent layer adjacent to the light-emitting layer, the method including: applying to the adjacent layer a coating liquid prepared by dissolving or dispersing a light-emitting material and a host material in a solvent, and heating the coating liquid applied to the adjacent layer at a temperature higher than a melting temperature of the host material and higher than a boiling point of the solvent, to thereby form the light-emitting layer, wherein a difference as an absolute value between contact angle A (°) of the light-emitting layer with respect to pure water and contact angle B (°) of the adjacent layer with respect to pure water is 13 (°) or smaller.