Abstract: An electricity storage system is provided that includes a plurality of cartridges connected together in parallel, each cartridge comprising a plurality of cells connected together, where each of the plurality of cartridges independently maintains a voltage convertible to a commercial voltage. The electricity storage system is configured to, upon receipt of a cartridge withdrawal signal input by a user and indicating a user's intention to withdraw any cartridge of the plurality of cartridges regardless of the operational state of a selected cartridge, including whether the selected cartridge is charging or discharging, disallow conductions with respect to the cartridge to be withdrawn and output a signal indicating that the selected cartridge is ready to be withdrawn.

Abstract: A sheet-laminated lithium ion secondary battery comprising: a membrane electrode assembly which comprises a cathode sheet comprising a cathode current collector having formed thereon a cathode active material layer, and an anode sheet comprising an anode current collector having formed thereon an anode active material layer, the cathode sheet and the anode sheet being laminated through a separator; and a sheet outer casing having accommodated therein the membrane electrode assembly, wherein, in the membrane electrode assembly, a sheet thermoplastic resin layer is inserted as at least one of an interlayer between the cathode sheet and the separator, and an interlayer between the anode sheet and the separator.

Abstract: An electricity storage system is provided that includes a plurality of cartridges connected together in parallel, each cartridge comprising a plurality of cells connected together, where each of the plurality of cartridges independently maintains a voltage convertible to a commercial voltage. The electricity storage system is configured to, upon receipt of a cartridge withdrawal signal input by a user and indicating a user's intention to withdraw any cartridge of the plurality of cartridges regardless of the operational state of a selected cartridge, including whether the selected cartridge is charging or discharging, disallow conductions with respect to the cartridge to be withdrawn and output a signal indicating that the selected cartridge is ready to be withdrawn.

Abstract: An electricity storage system comprising: a plurality of cartridges connected together in parallel, each cartridge comprising a plurality of cells connected together, and a circuit for preventing cross current, which restricts the current in each cartridge so as to cause the current to flow in one direction selected from a discharge direction and a charge direction, wherein said cartridges connected together in parallel are simultaneously charged with a direct current voltage converted from a commercial voltage, or said cartridges connected together in parallel are caused to discharge simultaneously so that said electricity storage system outputs a commercial voltage.

Abstract: An electrolyte solution comprising: a non-aqueous solvent; a lithium salt; at least one fluorine-containing compound selected from the group consisting of a fluorine-containing ether compound represented by formula (1) and a fluorine-containing carbonate compound represented by formula (2); and at least one of an ionic liquid represented by formula (3) and an ionic liquid represented by formula (4).

Abstract: A method for producing a laminate battery includes: forming a membrane electrode assembly having a multilayer structure including a positive electrode plate, a negative electrode plate and an electrolyte layer, the electrolyte layer being provided between the positive electrode plate and the negative electrode plate, a tab attachment step including joining terminal tabs to end portions of the positive electrode plate and the negative electrode plate of the membrane electrode assembly on an outer packaging material, and covering the membrane electrode assembly with the outer packaging material. Each terminal tab is joined by bending at least a part of the end portion of the outer packaging material in a direction opposite to the membrane electrode assembly, and then joining the terminal tab to the positive electrode plate or the negative electrode plate at a portion corresponding to the bent part of the end portion of the outer packaging material.

Abstract: A lithium ion secondary battery comprising: a positive electrode comprising a positive electrode active material; a negative electrode comprised mainly of a material capable of storing and releasing lithium ions; and an electrolytic liquid, the positive electrode active material being a lithium-iron-manganese complex oxide having a layered rock salt structure and represented by a chemical formula: LixFesM1(z-s)M2yO2-? wherein 1.05?x?1.32, 0.06?s?0.50, 0.06?z?0.50, 0.33?y?0.63, and 0???0.

Abstract: An electrolyte contains a non-aqueous solvent, a lithium salt, and a fluorine-containing ether compound represented by the following Formula (I). In the following formula, R1 represents an alkyl group having 3 to 8 carbon atoms; R2 represents an alkyl group having 1 carbon atom; at least 6 carbon atoms among carbon atoms bonded to the alkyl group represented by R1 are substituted with fluorine atoms; and at least one hydrogen atom among hydrogen atoms bonded to the alkyl group represented by R2 is substituted with a fluorine atom.

Abstract: A power generation device provided with a secondary battery includes a photoelectric conversion module, a secondary battery electrically connected to the photoelectric conversion module, and an outer casing in which the photoelectric conversion module and the secondary battery are installed. A low heat conducting material or a heat reflector is installed on at least a part of the space between the photoelectric conversion module and the secondary battery to be interposed between the photoelectric conversion module and the secondary battery.

Abstract: A sheet-laminated lithium ion secondary battery comprising: a membrane electrode assembly which comprises a cathode sheet comprising a cathode current collector having formed thereon a cathode active material layer, and an anode sheet comprising an anode current collector having formed thereon an anode active material layer, the cathode sheet and the anode sheet being laminated through a separator; and a sheet outer casing having accommodated therein the membrane electrode assembly, wherein, in the membrane electrode assembly, a sheet thermoplastic resin layer is inserted as at least one of an interlayer between the cathode sheet and the separator, and an interlayer between the anode sheet and the separator.

Abstract: A lithium ion secondary battery is provided, including: a positive electrode and a negative electrode into which, and from which, lithium ions can be introduced and be discharged reversibly, and an electrolyte membrane placed therebetween, wherein the electrolyte membrane is obtained using an electrolyte made by blending (A) a polyanion type lithium salt, (B) a boron compound, and (C) an organic solvent.

Abstract: A method for producing a laminate battery includes: forming a membrane electrode assembly having a multilayer structure including a positive electrode plate, a negative electrode plate and an electrolyte layer, the electrolyte layer being provided between the positive electrode plate and the negative electrode plate, a tab attachment step including joining terminal tabs to end portions of the positive electrode plate and the negative electrode plate of the membrane electrode assembly on an outer packaging material, and covering the membrane electrode assembly with the outer packaging material. Each terminal tab is joined by bending at least a part of the end portion of the outer packaging material in a direction opposite to the membrane electrode assembly, and then joining the terminal tab to the positive electrode plate or the negative electrode plate at a portion corresponding to the bent part of the end portion of the outer packaging material.

Abstract: A lithium ion secondary battery comprising: a positive electrode comprising a positive electrode active material; a negative electrode comprised mainly of a material capable of storing and releasing lithium ions; and an electrolytic liquid, the positive electrode active material being a lithium-iron-manganese complex oxide having a layered rock salt structure and represented by a chemical formula: LixFesM1(z-s)M2yO2-? ?wherein 1.05?x?1.32, 0.06?s?0.50, 0.06?z?0.50, 0.33?y?0.63, and 0???0.

Abstract: An electrolyte contains a non-aqueous solvent, a lithium salt, and a fluorine-containing ether compound represented by the following Formula (I). In the following formula, R1 represents an alkyl group having 3 to 8 carbon atoms; R2 represents an alkyl group having 1 carbon atom; at least 6 carbon atoms among carbon atoms bonded to the alkyl group represented by R1 are substituted with fluorine atoms; and at least one hydrogen atom among hydrogen atoms bonded to the alkyl group represented by R2 is substituted with a fluorine atom.

Abstract: An electricity storage system comprising: a plurality of cartridges connected together in parallel, each cartridge comprising a plurality of cells connected together, and a circuit for preventing cross current, which restricts the current in each cartridge so as to cause the current to flow in one direction selected from a discharge direction and a charge direction, wherein said cartridges connected together in parallel are simultaneously charged with a direct current voltage converted from a commercial voltage, or said cartridges connected together in parallel are caused to discharge simultaneously so that said electricity storage system outputs a commercial voltage.

Abstract: Provided is an epoxy resin composition capable of reducing the surface roughness of the surface of a roughening-treated cured body. The epoxy resin composition includes an epoxy resin, a curing agent, and a silica component obtained by performing a surface treatment on silica particles using a silane coupling agent; and the epoxy resin composition does not include a curing accelerator, or includes a curing accelerator at a content equal to or less than 3.5 parts by weight to a total of 100 parts by weight of the epoxy resin and the curing agent. Mean particle diameter of the silica particles is equal to or less than 1 ?m. An amount B (g) of the silane coupling agent used for surface treatment, per 1 g of the silica particles in the silica component, is within a range between 10% to 80% with regard to a value C (g) per 1 g of the silica particles, which is calculated by the following formula (X).

Abstract: A lithium ion secondary battery is provided, including: a positive electrode and a negative electrode into which, and from which, lithium ions can be introduced and be discharged reversibly, and an electrolyte membrane placed therebetween, wherein the electrolyte membrane is obtained using an electrolyte made by blending (A) a polyanion type lithium salt, (B) a boron compound, and (C) an organic solvent.

Abstract: Provided is: a resin composition capable of reducing the surface roughness of the surface of a cured body obtained by having a roughening treatment performed thereon, and increasing the adhesive strength between the cured body and a metal layer; and a cured body formed by using the resin composition. The resin composition according to the present invention includes an epoxy resin (A), a curing agent (B), and a silica component (C) in which silica particles are surface treated with a silane coupling agent. The silica component (C) includes a silica component (C1) having a particle diameter of 0.2 to 1.0 ?m. A contained amount of the silica component (C1) is within a range from 30 to 100 vol % in 100 vol % of the silica component (C). A contained amount of the silica component (C) is within a range from 11 to 68 vol % in 100 vol % of the resin composition. A cured body 1 is formed by having a roughening treatment performed on a reactant obtained through a reaction of the resin composition.

Abstract: Provided is: a semi-cured body capable of reducing the surface roughness of a roughening-treated surface, and, when a metal layer is formed on the surface of a cured body after curing, increasing the adhesive strength between the cured body and the metal layer; and a laminated body obtained by using the semi-cured body. A semi-cured body 1 is formed by performing a roughening treatment on a reactant obtained by reacting a resin composition which includes an epoxy resin, a curing agent, and a silica component in which silica particles with a mean particle diameter equal to or less than 1 ?m are surface treated with a sane coupling agent, such that the reactant has a gel fraction equal to or higher than 90% after being immersed in methyl ethyl ketone for 24 hours at 23° C. A laminated body comprises a cured body obtained by curing the semi-cured body 1, and a metal layer formed by having a plate processing performed on the surface of the cured body.

Abstract: Provided is a laminated body capable of reducing the surface roughness of the surface of a roughening-treated cured body layer, and increasing the adhesive strength between the cured body layer and a metal layer. A laminated body includes a cured body layer formed by: laminating a resin film on a substrate, forming a preliminary-cured body layer by preliminary-curing the resin film at 100° C. to 200° C., and performing a roughening treatment on the surface of the cured object layer at 55° C. to 80° C. The resin film is formed from a resin composition including an epoxy resin, a phenol curing agent, a curing accelerator, and a surface-treated substance which is a surface treated, using 0.5 to 3.5 parts by weight of a silane coupling agent, on 100 parts by weight of inorganic filler with a mean particle diameter of 0.05 to 1.5 ?m. The silane coupling agent has an epoxy group, an imidazole group, or an amino group.