Abstract: A composition containing: a compound (a) represented by Formula (1): wherein Ar represents an aromatic ring, m represents an integer of 2 to 8, n represents an integer of 0 to 6, provided that m+n is equal to or less than a number of carbon atoms that constitute the aromatic ring, and R1 each independently represents an alkylthio group, an epoxyalkylthio group, a thiol group, a halogen group, a hydroxy group, a dialkylthiocarbamoyl group, or a dialkylcarbamoylthio group; and 1,2,3,5,6-pentathiepane (b).

Abstract: A production method for an episulfide compound includes: (A) producing an episulfide compound having two or more units of the structure represented by the following formula (2) from an epoxy compound having two or more units of the structure represented by the following formula (1); and (B) adding a mixed solvent of a protic polar solvent and an aprotic polar solvent to the reaction solution obtained after (A) the producing of the episulfide compound. In formulae (1) and (2), R1 represents a hydrocarbon group containing 0 to 10 carbon atoms, R2, R3 and R4 each independently represent a hydrocarbon group containing 1 to 10 carbon atoms or a hydrogen atom, Y represents O, S, Se or Te, and n represents 0 or 1.

Abstract: A composition that includes Compound (a) and Compound (b). Compound (a) is represented by formula (1): where: Ar represents an aromatic ring; m represents an integer of 2 to 8; n represents an integer of 0 to 6, provided that m+n is the number of carbon atoms constituting the aromatic ring, or less; and R1 each independently represents an alkylthio group, a halogen group, a hydroxy group, a dialkylthiocarbamoyl group, or a dialkylcarbamoylthio group. Compound (b) is represented by formula (2): where p represents an integer of 0 to 4, and q represents an integer of 0 to 2.

Abstract: A composition containing: a compound (a) represented by Formula (1): wherein Ar represents an aromatic ring, m represents an integer of 2 to 8, n represents an integer of 0 to 6, provided that m+n is equal to or less than a number of carbon atoms that constitute the aromatic ring, and R1 each independently represents an alkylthio group, an epoxyalkylthio group, a thiol group, a halogen group, a hydroxy group, a dialkylthiocarbamoyl group, or a dialkylcarbamoylthio group; and 1,2,3,5,6-pentathiepane (b).

Abstract: A composition containing: a compound (a) represented by Formula (1): wherein Ar represents an aromatic ring, m represents an integer of 2 to 8, n represents an integer of 0 to 6, provided that m+n is equal to or less than a number of carbon atoms that constitute the aromatic ring, and R1 each independently represents an alkylthio group, an epoxyalkylthio group, a thiol group, a halogen group, a hydroxy group, a dialkylthiocarbamoyl group, or a dialkylcarbamoylthio group; and a polythiol (b).

Abstract: There is demand for a power storage device composition that: compared to past lithium compounds, can suppress development of conductivity caused by blue discoloration (reduction), even when used in a reducing atmosphere; and can inhibit the generation of gases, such as carbon dioxide gas, hydrogen gas, and fluoride gas, that has been a problem in past power storage devices during use and with aging. This power storage device composition is characterized by including, as a principal component, Li2TiO3 that has an x-ray diffraction pattern for which the intensity ratio (A/B) of the peak intensity (A) at a diffraction angle of 2?=18.4±0.1° and the peak intensity (B) at a diffraction angle of 2?=43.7±0.1° is at least 1.10.

Abstract: There is demand for a lithium ion capacitor positive electrode that can improve the battery characteristics (and, in particular, the rate characteristics) of a lithium ion capacitor. This lithium ion capacitor positive electrode is characterized by containing, in a positive electrode active material, at least one titanate selected from among Li2TiO3, Li4Ti5O12, Na2TiO3, and K2Ti2O5.

Abstract: There is demand for a power storage device composition that: compared to past lithium compounds, can suppress development of conductivity caused by blue discoloration (reduction), even when used in a reducing atmosphere; and can inhibit the generation of gases, such as carbon dioxide gas, hydrogen gas, and fluoride gas, that has been a problem in past power storage devices during use and with aging. This power storage device composition is characterized by including, as a principal component, Li2TiO3 that has an x-ray diffraction pattern for which the intensity ratio (A/B) of the peak intensity (A) at a diffraction angle of 2?=18.4±0.1° and the peak intensity (B) at a diffraction angle of 2?=43.7±0.1° is at least 1.10.

Abstract: There is demand for a lithium ion capacitor positive electrode that can improve the battery characteristics (and, in particular, the rate characteristics) of a lithium ion capacitor. This lithium ion capacitor positive electrode is characterized by containing, in a positive electrode active material, at least one titanate selected from among Li2TiO3, Li4Ti5O12, Na2TiO3, and K2Ti2O5.

Abstract: The method for preparing an electrolyte capacitor includes: providing an oxidant dopant agent for preparing the conductive polymer including: ferric naphthalenesulfonate; and at least one compound selected from the group consisting of phosphate, phosphite, borate, thiophosphate, and dithiophosphate. The method also includes preparing a conductive polymer by using the oxidant dopant agent to obtain an electrolyte comprising the conductive polymer.

Abstract: The method for preparing an electrolyte capacitor includes: providing an oxidant dopant agent for preparing the conductive polymer including: ferric naphthalenesulfonate; and at least one compound selected from the group consisting of phosphate, phosphite, borate, thiophosphate, and dithiophosphate. The method also includes preparing a conductive polymer by using the oxidant dopant agent to obtain an electrolyte comprising the conductive polymer.

Abstract: There is provided an oxidant dopant agent for conductive polymer production, and a solution thereof, in which they are capable of producing a conductive polymer suitable in producing an electrolyte capacitor having a low leak current. There is also provided a conductive polymer prepared by using either of them. There is also provided an electrolyte capacitor having a low leak current. The oxidant dopant agent includes: an organic ferric sulfonate; and at least one kind selected from the group consisting of phosphoric acid, phosphate, phosphorous acid, phosphite, boric acid, borate, thiophosphoric acid, thiophosphate, dithiophosphoric acid and dithiophosphate. The solution includes the oxidant dopant agent dissolved in water, an alcohol or a mixture of water and an alcohol. A conductive polymer is prepared by means of oxidation polymerization of a monomer such as thiophene or its derivative. The conductive polymer is used as an electrolyte to provide an electrolyte capacitor.

Abstract: There is provided a monomer liquid for conductive polymer production, comprising: at least one monomer selected from the group consisting of thiophene or its derivatives, pyrrole or its derivative and aniline or its derivative; and at least one kind selected from the group consisting of a naphthalene sulfonic acid type heterocyclic compound and a benzene sulfonic acid type heterocyclic compound in which no hydroxyl group is directly connected to the benzene ring, wherein said at least one kind is dispersed in said at least one monomer. Also, there is provided a production of an electrolyte capacitor by using the monomer liquid for conductive polymer production is explained. In particular, imidazoles are favorable as the naphthalene sulfonic acid type heterocyclic compound and the benzene sulfonic acid type heterocyclic compound.

Abstract: There is provided a conductive polymer having high conductivity with excellent heat resistance. Using the conductive polymer, there can be provided solid electrolytic capacitors having low ESR, high reliability, and less leakage current. There can be also provided conductive films having high conductivity and superior heat resistance. There is provided a conductive polymer dispersion liquid obtained by a method in which in the presence of a copolymer from styrenesulfonic acid, and at least one kind of a non-sulfonic acid monomer selected from the group consisting of methacrylate, acrylate, and an unsaturated hydrocarbon containing alkoxysilane compound or its hydrolysate, thiophene or its derivative is polymerized by oxidation polymerization in water, or in an aqueous solution comprising a mixture of water and a water miscible solvent to produce the conductive polymer dispersion liquid. Using the conductive polymer as solid electrolyte, a solid electrolyte capacitor can be provided.

Abstract: There is provided an electrolyte capacitor, which has a low ESR, and is superior in the heat resistance and reliable under a hot condition. The electrolyte capacitors in constructed by including a conductive polymer and a conductive auxiliary liquid having a lower conductivity than usual electrolyte, having a structure below. The conductive auxiliary liquid includes a high boiling point organic solvent having a boiling point of 150° C. or more, and an aromatic compound having at least one hydroxyl group. The aromatic compounds preferably includes an aromatic compound having at least one carboxyl group or an aromatic compound having at least one nitro group, or a combination of an aromatic compound having at least one carboxyl group with an aromatic compound having at least one nitro group.

Abstract: There is provided a conductive polymer having high conductivity with excellent heat resistance. Using the conductive polymer, there can be provided solid electrolytic capacitors having low ESR, high reliability, and less leakage current. There can be also provided conductive films having high conductivity and superior heat resistance. There is provided a conductive polymer dispersion liquid obtained by a method in which in the presence of a copolymer from styrenesulfonic acid, and at least one kind of a non-sulfonic acid monomer selected from the group consisting of methacrylate, acrylate, and an unsaturated hydrocarbon containing alkoxysilane compound or its hydrolysate, thiophene or its derivative is polymerized by oxidation polymerization in water, or in an aqueous solution comprising a mixture of water and a water miscible solvent to produce the conductive polymer dispersion liquid. Using the conductive polymer as solid electrolyte, a solid electrolyte capacitor can be provided.

Abstract: There is provided an oxidant dopant agent for conductive polymer production, and a solution thereof, in which they are capable of producing a conductive polymer suitable in producing an electrolyte capacitor having a low leak current. There is also provided a conductive polymer prepared by using either of them. There is also provided an electrolyte capacitor having a low leak current. The oxidant dopant agent includes: an organic ferric sulfonate; and at least one kind selected from the group consisting of phosphoric acid, phosphate, phosphorous acid, phosphite, boric acid, borate, thiophosphoric acid, thiophosphate, dithiophosphoric acid and dithiophosphate. The solution includes the oxidant dopant agent dissolved in water, an alcohol or a mixture of water and an alcohol. A conductive polymer is prepared by means of oxidation polymerization of a monomer such as thiophene or its derivative. The conductive polymer is used as an electrolyte to provide an electrolyte capacitor.

Abstract: There is provided a conductive polymer having high conductivity with excellent heat resistance. Using the conductive polymer, there can be provided solid electrolytic capacitors having low ESR, high reliability, and less leakage current. There can be also provided conductive films having high conductivity and superior heat resistance. There is provided a conductive polymer dispersion liquid obtained by a method in which in the presence of a copolymer from styrenesulfonic acid, and at least one kind of a non-sulfonic acid monomer selected from the group consisting of methacrylate, acrylate, and an unsaturated hydrocarbon containing alkoxysilane compound or its hydrolysate, thiophene or its derivative is polymerized by oxidation polymerization in water, or in an aqueous solution comprising a mixture of water and a water miscible solvent to produce the conductive polymer dispersion liquid. Using the conductive polymer as solid electrolyte, a solid electrolyte capacitor can be provided.

Abstract: There is provided a monomer liquid for conductive polymer production, comprising: at least one monomer selected from the group consisting of thiophene or its derivatives, pyrrole or its derivative and aniline or its derivative; and at least one kind selected from the group consisting of a naphthalene sulfonic acid type heterocyclic compound and a benzene sulfonic acid type heterocyclic compound in which no hydroxyl group is directly connected to the benzene ring, wherein said at least one kind is dispersed in said at least one monomer. Also, there is provided a production of an electrolyte capacitor by using the monomer liquid for conductive polymer production is explained. In particular, imidazoles are favorable as the naphthalene sulfonic acid type heterocyclic compound and the benzene sulfonic acid type heterocyclic compound.

Abstract: There is provided a method to provide a capacitor element including a porous body of a valve metal, and a dielectric layer of an oxide layer of the valve metal. The method includes a first sequential process, and a second sequential process. The first sequential process includes: immersing the capacitor element in a first liquid of dispersion of a conductive polymer obtained by means of oxidation polymerization of thiophene or its derivative in the presence of a dopant of a polymer anion; taking out the capacitor element from the first liquid; and drying the capacitor element. Subsequent second sequential process includes: immersing the capacitor element in a second liquid which dissolves a cyclic organic compound having at least one hydroxyl group; taking out the capacitor element from the second liquid; and drying the capacitor element.