Abstract: A method for manufacturing an electrode having a laminated body including an insulating layer laminated on an electrode active material layer, said method comprising: a step of laminating an insulating layer on an electrode active material layer formed on a base, such that a thickness value of the insulating layer is at least twice a surface roughness Rz value of the electrode active material layer, the surface roughness Rz value being a ten point average roughness as measured in accordance with JIS B0601 1994.

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whether the selected cartridge is charging or discharging, disallow conductions with respect to the cartridge to be withdrawn and output a signal indicating that the selected cartridge is ready to be withdrawn.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: The present invention includes an electrolyte in which an organic acid lithium salt (A) and a boron compound (B) are mixed.

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whether the selected cartridge is charging or discharging, disallow conductions with respect to the cartridge to be withdrawn and output a signal indicating that the selected cartridge is ready to be withdrawn.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 method for manufacturing an electrode having a laminated body including an insulating layer laminated on an electrode active material layer, said method comprising: a step of laminating an insulating layer on an electrode active material layer formed on a base, such that a thickness value of the insulating layer is at least twice a surface roughness Rz value of the electrode active material layer, the surface roughness Rz value being a ten point average roughness as measured in accordance with JIS B0601 1994.

Abstract: An electrical insulation layer including microparticles and having a mesoporous structure; and a battery device including a cathode, an anode, an electrical insulation layer including microparticles and having a mesoporous structure, the electrical insulation layer being arranged between the anode and the cathode, and an ion conductive composition.

Abstract: An electrical insulation layer including microparticles and having a mesoporous structure; and a battery device including a cathode, an anode, an electrical insulation layer including microparticles and having a mesoporous structure, the electrical insulation layer being arranged between the anode and the cathode, and an ion conductive composition.

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 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: An electrical insulation layer including microparticles and having a mesoporous structure; and a battery device including a cathode, an anode, an electrical insulation layer including microparticles and having a mesoporous structure, the electrical insulation layer being arranged between the anode and the cathode, and an ion conductive composition.

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: The present invention includes an electrolyte in which an organic acid lithium salt (A) and a boron compound (B) are mixed.

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 membrane-electrode junction agent, a proton conducting membrane having a junction layer, a membrane-electrode assembly, a polymer electrolyte fuel cell, and a manufacturing method of the membrane-electrode assembly, which enhance the power generation performance, realize the high fuel barrier property, and are capable of enhancing the joint strength between the membrane and the electrodes, is provided. A membrane-electrode junction agent that joins a proton conducting membrane and electrodes arranged on both surfaces of the proton conducting membrane to each other, the membrane-electrode junction agent including: a cross-linked compound (X) having a silicon-oxygen bond; a polymer material (Y) containing an acid group; and a hydrophilic resin (Z) containing no acid group.

Abstract: An electrode which can be used in a fuel cell having improved power generation performance and high durability, and a fuel cell having such an electrode, are provided. An electrode having catalyst layers arranged on both surfaces of an electrolyte membrane, wherein the electrode is characterized in that an electrode binder used for constituting the catalyst layers contains a cross-linked compound (X) having a silicon-oxygen bond, a polymer material (Y) containing an acid group, and an aqueous dispersion (Z) containing a thermoplastic resin.

Abstract: A proton conducting membrane, a membrane-electrode assembly, and a polymer electrolyte fuel cell, which can realize high impact resistance and high polar solvent resistance as well as high proton conductivity, at the same time, can improve adhesion to an electrode, and can improve power generation performance, are provided. A proton conducting membrane includes a silicon-oxygen bonding structure (A) containing a cross-linked structure formed by a silicon-oxygen bond, and an acid group-containing structure (B) covalently bonded to a silane compound and containing an acid group, which are coupled to each other by a silicon—oxygen bond, wherein the acid group-containing structure (B) includes a structure in which a silane compound (?) having a polymerizable unsaturated double bond and an acid group-containing compound (?) having an acid group and a polymerizable unsaturated double bond are covalently bonded to each other.