Abstract: An electrolytic solution for an electrochemical device, including: a cation (C) that is a monovalent to trivalent metal ion; an anion (A); a solvent (SO) that is a compound having a molecular weight of 1,000 or less; and a polymer (P) that has a weight-average molecular weight of more than 10,000, wherein a content ratio of the solvent (SO) relative to 1 mol of the cation (C) is 0.5 to 4 mol, and a content ratio of the polymer (P) is 0.5% by weight or more. Also provided are a plastic composition, an electrode sheet, an insulating layer, and an electrochemical device including the electrolytic solution, as well as producing methods of these.

Abstract: An electrochemical device, which is a non-aqueous electrochemical device, comprising a polymer (P) enclosed in an inside of the electrochemical device, wherein the polymer (P) is a polymer having a molecular structure containing a unit (P) represented by the following formula (P), the polymer (P) having a weight-average molecular weight of greater than 50,000, as well as an electrode for an electrochemical device, a coating liquid for an electrochemical device, an insulating layer for an electrochemical device, an undercoat layer for an electrochemical device, and an electrolytic solution for an electrochemical device including the polymer (P) and other ingredients: in the formula (P), RP is a group of 1 to 20 carbon atoms.

Abstract: A purpose of the present invention is to provide a method for manufacturing, etc., a member for an electrochemical device in which the problem of irreversible change in the composition of the electrochemical device due to solvent depletion, moisture absorption, etc., during manufacturing of the electrochemical devices is unlikely to occur. This method for manufacturing a member for an electrochemical device includes performing at least one shaping operation described in the present specification on a shaping material composition that comprises: at least one filler (F); a plasticizer (P-S), being water, an ionic liquid, or a mixture thereof; and a polymer (P1), the shaping material composition being substantially free of an organic solvent and having plasticity and self-supporting property.

Abstract: Provided is a method of producing an electrode for an electrochemical device in which problems of corrosion of production equipment and odor have a low tendency to occur. The method of producing an electrode for an electrochemical device includes a step of forming an electrode including a composite layer having a porosity of 10 volume % or less using a shaping material for an electrode that contains an active material and an ion conductor having an ion conductivity at a temperature of 5° C. of 10?4 S/cm or less. The ion conductor includes a low molecular weight organic compound having a molecular weight of less than 10,000. The proportion constituted by a compound having an equal or higher volatilization rate than N-methylpyrrolidone among the low molecular weight organic compound is not less than 0 mass % and not more than 20 mass %.

Abstract: Disclosed is an electrically conductive substance which comprises a complex containing rubeanic acid ligands and copper ions. The copper ions contained in the complex comprise copper (I) ions. The electrically conductive substance is produced by a production method which comprises mixing a rubeanic acid compound and a copper (I) compound in the presence of a base.

Abstract: Provided is a shaping material for an electrode that is easy to produce, in which the proportional content of an active material is easy to improve, and with which problems of odor and stability have a low tendency to occur. The shaping material for an electrode contains at least one active material (A) and a viscous electrolyte composition. The viscous electrolyte composition contains: at least one ionic material (S); and an organic composition (P—O) containing at least one polymer (P) and a low molecular weight organic compound (O) having a molecular weight of less than 10,000. The proportional content of the polymer (P) in the organic composition (P—O) is 50 mass % or less. The proportion constituted by a compound having an equal or higher volatilization rate than N-methylpyrrolidone among the low molecular weight organic compound (O) is not less than 0 mass % and not more than 20 mass %.

Abstract: An electrode material contains a complex including at least one type of transition metal ion and a ligand including at least two functional groups (A) that can coordinate with the transition metal ion and at least two conjugate pairs of functional groups (B) that are redox active. The at least two functional groups (A) may be the same or different, the at least two conjugate pairs of functional groups (B) may be the same or different, and at least some of the functional groups (A) and at least some of the functional groups (B) may be the same or different.

Abstract: Disclosed is an electrically conductive substance which comprises a complex containing rubeanic acid ligands and copper ions. The copper ions contained in the complex comprise copper (I) ions. The electrically conductive substance is produced by a production method which comprises mixing a rubeanic acid compound and a copper (I) compound in the presence of a base.

Abstract: A polyether compound containing oxirane monomer units in an average number per molecule of 5 to 200, wherein the polyether compound has a cationic group and cross-linkable group in the oxirane monomer units, and a cross-linkable composition containing this polyether compound and a cross-linking agent which enables cross-linking of the cross-linkable groups of the polyether compound are provided.

Abstract: Provided is a polyether rubber that contains a specific proportion of a specific unit containing an onium ion. According to the present invention, a conductive member and a cross-linked rubber that constitutes part of the conductive member can be provided, in which the conductive member has low electrical resistance value and little variation in electrical resistance, and suppressed increases in the electrical resistance value even if used continuously.

Abstract: A polyether compound containing oxirane monomer units in an average number per molecule of 5 to 200, wherein the polyether compound has a cationic group and cross-linkable group in the oxirane monomer units, and a cross-linkable composition containing this polyether compound and a cross-linking agent which enables cross-linking of the cross-linkable groups of the polyether compound are provided.

Abstract: Provided is a polyether rubber that contains a specific proportion of a specific unit containing an onium ion. According to the present invention, a conductive member and a cross-linked rubber that constitutes part of the conductive member can be provided, in which the conductive member has low electrical resistance value and little variation in electrical resistance, and suppressed increases in the electrical resistance value even if used continuously.

Abstract: The present invention relates to a technique for producing a cathode film having a thin and even thickness and having stable electrical characteristics at a high productivity by an extrusion molding method. That is, the present invention provides a compounding agent composition for a cathode film comprising an active material and an electrical conductivity-providing agent and having a repose angle of 35 degrees or less and a polyether polymer composition for a cathode film comprising at least a polyether polymer and the compounding agent composition for a cathode film described above. The object described above can be achieved by extrusion-molding them.