Abstract: The secondary battery includes a positive electrode, a negative electrode, and an electrolytic solution including at least one kind of cyclic nitrogen compounds and at least one of a first nitrile compound and a second nitrile compound.

Abstract: A secondary battery includes a positive electrode, a negative electrode, and an electrolytic solution including at least one of sulfonyl compounds expressed by R(—S(?O)2—Rf)n, where R represents an n-valent hydrocarbon group including one or two or more aliphatic hydrocarbon rings, Rf includes one of a halogen group and a monovalent halogenated hydrocarbon group, n is an integer greater than or equal to 1.

Abstract: A secondary battery includes a positive electrode, a negative electrode, and an electrolytic solution including at least one kind of sulfonyl compounds that are represented by a chemical formula R1(—O—C(?O)—R2-S(?O)2—Rf1)n1 or the like. In the chemical formula, R1 represents of an n1-valent hydrocarbon group, an n1-valent oxygen-containing hydrocarbon group, an n1-valent halogenated hydrocarbon group and an n1-valent halogenated oxygen-containing hydrocarbon group. R2 represents one of a divalent hydrocarbon group and a divalent halogenated hydrocarbon group. Rf1 represents one of a halogen group and a monovalent halogenated hydrocarbon group. n1 is an integer of 2 or more.

Abstract: A secondary battery is provided. The secondary battery includes a positive electrode, a negative electrode, and an electrolytic solution. The electrolytic solution includes at least one of a first heterocyclic compound and a second heterocyclic compound.

Abstract: An electrode material for a secondary cell includes a porous carbon material having an absolute value of a differential value of a mass using a temperature as a parameter exceeding 0 at 360° C. and being 0.016 or more at 290° C. provided by thermally analyzing a mixture of the porous carbon material and S8 sulfur at a mass ratio of 1:2.

Abstract: The secondary battery includes an electrolyte layer including an electrolytic solution and a polymer compound, a positive electrode, and a negative electrode. The polymer compound includes one or both of a first polymer compound and a second polymer compound. The first polymer compound further includes a first homopolymer and one or both of a second homopolymer and a second copolymer. The second polymer compound further includes a third copolymer and one or both of a fourth homopolymer and a fourth copolymer.

Abstract: A secondary battery is provided. The secondary battery includes a positive electrode, a negative electrode, and an electrolyte layer, and the electrolyte layer includes an electrolytic solution and a copolymer containing vinylidene fluoride, hexafluoropropylene, and a hetero-unsaturated compound.

Abstract: A secondary battery includes a positive electrode, a negative electrode, and an electrolyte layer. The electrolyte layer includes an electrolytic solution, two or more copolymers each containing hexafluoropropylene as a component and each having a different copolymerization amount (wt %) of hexafluoropropylene, and a plurality of inorganic particles.

Abstract: A battery, including: a positive electrode; a negative electrode; and an electrolyte layer containing a negative electrode active material.

Abstract: A secondary battery includes a cathode, an anode, and non-aqueous electrolytic solution. The non-aqueous electrolytic solution includes a boron compound. The boron compound includes six or more boron (B) atoms, and includes an octavalent boron-hydrogen-containing structure represented by Formula (1), a dodecavalent boron-carbon-containing structure represented by Formula (2), or both.

Abstract: A secondary battery includes: a cathode; an anode; and an electrolyte layer containing a nonaqueous electrolytic solution and a polymer compound, wherein the polymer compound contains a block copolymer, and the block copolymer contains vinylidene fluoride, hexafluoro propylene, and one or more of monomethyl maleate, trifluoroethylene, and chlorotrifluoroethylene as polymerization units.

Abstract: [Solving Means] A battery includes: a positive electrode; a negative electrode; and an electrolyte. The electrolyte contains an electrolyte solution, and a polymer compound holding the electrolyte solution. The polymer compound includes a copolymer having at least predetermined two kinds of repeating units.

Abstract: A secondary cell with a positive electrode, a negative electrode, and an electrolyte, the positive electrode containing insoluble sulfur.

Abstract: A secondary cell has a positive electrode, a negative electrode, and an electrolyte, and the positive electrode contains insoluble sulfur.

Abstract: A secondary battery includes a cathode, an anode, and an electrolyte layer including non-aqueous electrolytic solution and a polymer compound. The polymer compound includes a graft copolymer. The graft copolymer includes a block copolymer as a main chain, and includes one or both of a homopolymer and a copolymer as one or more side chains. The block copolymer includes, as polymerization units, vinylidene fluoride and hexafluoropropylene. The homopolymer includes, as a polymerization unit, one selected from the group consisting of vinylidene fluoride, hexafluoropropylene, monomethyl maleate, trifluoroethylene, chlorotrifluoroethylene, acrylic acid, and methacrylic acid. The copolymer includes, as polymerization units, two or more selected from the group consisting of vinylidene fluoride, hexafluoropropylene, monomethyl maleate, trifluoroethylene, chlorotrifluoroethylene, acrylic acid, and methacrylic acid.

Abstract: A battery includes a positive electrode containing sulfur, a negative electrode containing a material for occluding and releasing a lithium ion, and an electrolytic solution. The electrolytic solution contains at least one of a liquid complex and a liquid salt in which a polysulfide is insoluble or almost insoluble, and a solvent in which a polysulfide is soluble. The electrolytic solution has a Li2S8 saturation sulfur concentration of 10 mM or more and 400 mM or less.

Abstract: An electrode material for a secondary cell includes a porous carbon material having an absolute value of a differential value of a mass using a temperature as a parameter exceeding 0 at 360° C. and being 0.016 or more at 290° C. provided by thermally analyzing a mixture of the porous carbon material and S8 sulfur at a mass ratio of 1:2.

Abstract: A secondary battery includes a cathode, an anode, and non-aqueous electrolytic solution. The non-aqueous electrolytic solution includes a boron compound. The boron compound includes six or more boron (B) atoms, and includes an octavalent boron-hydrogen-containing structure represented by Formula (1), a dodecavalent boron-carbon-containing structure represented by Formula (2), or both.

Abstract: Provided is a battery which can improve the positive electrode utilization and rate characteristics of a charge-discharge reaction. The battery includes a positive electrode containing sulfur, a negative electrode containing lithium, an electrolyte, and a conductive interlayer provided between the positive electrode and the negative electrode. The conductive interlayer includes a conductive fiber-containing layer, a conductive nanotube-containing layer, or a conductive mesh.

Abstract: A secondary battery includes a cathode, an anode, and an electrolyte layer including non-aqueous electrolytic solution and a polymer compound. The polymer compound includes a graft copolymer. The graft copolymer includes a block copolymer as a main chain, and includes one or both of a homopolymer and a copolymer as one or more side chains. The block copolymer includes, as polymerization units, vinylidene fluoride and hexafluoropropylene. The homopolymer includes, as a polymerization unit, one selected from the group consisting of vinylidene fluoride, hexafluoropropylene, monomethyl maleate, trifluoroethylene, chlorotrifluoroethylene, acrylic acid, and methacrylic acid. The copolymer includes, as polymerization units, two or more selected from the group consisting of vinylidene fluoride, hexafluoropropylene, monomethyl maleate, trifluoroethylene, chlorotrifluoroethylene, acrylic acid, and methacrylic acid.