Abstract: An inorganic particle layer for use in an electrode of a non-aqueous electrolyte power storage element is provided. The inorganic particle layer includes an inorganic particle and a polymer. The inorganic particle is insulating and has a surface potential. The polymer has an ionic functional group (A) and an ion-conducting functional group (B) each charged opposite to the surface potential of the inorganic particle. The inorganic particle and the polymer are bonded to each other.

Abstract: A disclosed film electrode includes an electrode base, and an active material layer formed on the electrode base, and a resin layer adhering to at least one of a peripheral portion of the active material layer and a surface of the active material layer in a direction extending along a plane of the electrode base.

Abstract: In a recovery control method for a secondary battery that includes a positive electrode containing a positive electrode active material, a solid electrolyte, and a negative electrode containing a negative electrode active material containing at least a lithium metal or a lithium alloy, and is fastened from an outside, the recovery control method includes: measuring cell resistance of the secondary battery; calculating a recovery limit resistance value indicating an upper limit value of resistance that ensures recovering the secondary battery from a depth of charge/discharge of the secondary battery, a cell temperature of the secondary battery, and a pressure applied to the secondary battery; and inhibiting charging/discharging the secondary battery and executing recovery control that recovers the secondary battery when a resistance value of the cell resistance is equal to or less than the recovery limit resistance value.

Abstract: In a recovery control method for a secondary battery that includes a positive electrode containing a positive electrode active material, a solid electrolyte, and a negative electrode containing a negative electrode active material containing at least a lithium metal or a lithium alloy, and is fastened from an outside, the recovery control method includes: measuring cell resistance of the secondary battery; calculating a recovery limit resistance value indicating an upper limit value of resistance that ensures recovering the secondary battery from a depth of charge/discharge of the secondary battery, a cell temperature of the secondary battery, and a pressure applied to the secondary battery; and inhibiting charging/discharging the secondary battery and executing recovery control that recovers the secondary battery when a resistance value of the cell resistance is equal to or less than the recovery limit resistance value.

Abstract: A disclosed film electrode includes an electrode base, and an active material layer formed on the electrode base, and a resin layer adhering to at least one of a peripheral portion of the active material layer and a surface of the active material layer in a direction extending along a plane of the electrode base.

Abstract: A disclosed film electrode includes an electrode base, and an active material layer formed on the electrode base, and a resin layer adhering to at least one of a peripheral portion of the active material layer and a surface of the active material layer in a direction extending along a plane of the electrode base.

Abstract: A composite material includes vanadium lithium phosphate, and a conductive carbon. an amount of the conductive carbon is 2.5 mass % or more and 7.5 mass % or less.

Abstract: An electrode is provided which includes an electrode substrate, an electrode mixture layer overlying the electrode substrate, and an insulating layer overlying the electrode mixture layer. The electrode mixture layer contains an active material and a void. The insulating layer contains a resin and an insulating inorganic particulate accounting for 80% by mass of the insulating layer. In a boundary region of the electrode mixture layer with the insulating layer, the resin and the insulating inorganic particulate are present in a part of the void.

Abstract: An inorganic particle layer for use in an electrode of a non-aqueous electrolyte power storage element is provided. The inorganic particle layer includes an inorganic particle and a polymer. The inorganic particle is insulating and has a surface potential. The polymer has an ionic functional group (A) and an ion-conducting functional group (B) each charged opposite to the surface potential of the inorganic particle. The inorganic particle and the polymer are bonded to each other.

Abstract: A composite material includes vanadium lithium phosphate, and a conductive carbon. an amount of the conductive carbon is 2.5 mass % or more and 7.5 mass % or less.

Abstract: A disclosed film electrode includes an electrode base, and an active material layer formed on the electrode base, and a resin layer adhering to at least one of a peripheral portion of the active material layer and a surface of the active material layer in a direction extending along a plane of the electrode base.

Abstract: An electrode is provided which includes an electrode substrate, an electrode mixture layer overlying the electrode substrate, and an insulating layer overlying the electrode mixture layer. The electrode mixture layer contains an active material and a void. The insulating layer contains a resin and an insulating inorganic particulate accounting for 80% by mass of the insulating layer. In a boundary region of the electrode mixture layer with the insulating layer, the resin and the insulating inorganic particulate are present in a part of the void.

Abstract: An electrode of a power storage device includes an electrode current collector; and electrode material layers stacked on one side of the electrode current collector, to store and discharge lithium ions. As an anode, each electrode material layer includes a first material and a second material that causes less deposit of the lithium ions on a surface of the anode than the first material, and the farther the electrode material layer is placed from the electrode current collector, the greater a ratio of a weight of the second material becomes. As a cathode, each of the electrode material layers includes a third material and a fourth material that has a higher diffusibility with respect to lithium ions than the third material, and the farther the electrode material layer is placed from the electrode current collector, the less a ratio of a weight of the fourth material becomes.

Abstract: To provide a nonaqueous electrolytic storage element, which contains: a positive electrode, which contains a positive electrode material layer including a positive electrode active material capable of reversibly accumulating and releasing anions; a negative electrode, which contains a negative electrode material layer including a negative electrode active material capable of reversibly accumulating and releasing cations; a separator provided between the positive electrode and the negative electrode; and a nonaqueous electrolyte containing an electrolyte salt, wherein a pore volume of the negative electrode material layer per unit area of the negative electrode is larger than a pore volume of the positive electrode material layer per unit area of the positive electrode.

Abstract: To provide a non-aqueous electrolyte storage element including a positive electrode containing a positive electrode active material capable of inserting and eliminating anions, a negative electrode containing a negative electrode active material capable of inserting and eliminating cations, and a non-aqueous electrolyte prepared by dissolving an electrolyte salt in a non-aqueous solvent, wherein the positive electrode active material contains a carbon material, where a distance between (002) planes, d(002), of the carbon material as measured by X-ray diffraction is 0.340 nm or greater but 0.360 nm or less, and the carbon material has a BET specific surface area of greater than 1 m2/g but smaller than 30 m2/g, and the negative electrode active material contains a material capable of inserting and eliminating lithium ions.

Abstract: To provide a nonaqueous electrolytic storage element, which contains: a positive electrode, which contains a positive electrode material layer including a positive electrode active material capable of reversibly accumulating and releasing anions; a negative electrode, which contains a negative electrode material layer including a negative electrode active material capable of reversibly accumulating and releasing cations; a separator provided between the positive electrode and the negative electrode; and a nonaqueous electrolyte containing an electrolyte salt, wherein a pore volume of the negative electrode material layer per unit area of the negative electrode is larger than a pore volume of the positive electrode material layer per unit area of the positive electrode.

Abstract: To provide nonaqueous electrolytic storage element, containing: a positive electrode, which contains a positive electrode active material capable of accumulating and releasing anions; a negative electrode containing a negative electrode active material capable of accumulating and releasing cations; and a nonaqueous electrolyte containing an electrolyte salt, wherein a capacity of the negative electrode per unit area is larger than a capacity of the positive electrode per unit area, and wherein an amount of the electrolyte salt in the nonaqueous electrode at the time of completion of charging after 50 cycles of charging and discharging is 0.2 mol/L to 1 mol/L, where the cycle of charging and discharging contains charging the nonaqueous electrolytic storage element to 5.2 V with constant electric current of 0.5 mA/cm2, followed by discharging the nonaqueous electrolytic storage element to 2.5 V with constant electric current of 0.5 mA/cm2.