Abstract: A current collector which is suitable for discharging and charging at a large current density is provided. The present invention provides a current collector including a conductive substrate and a conductive resin layer provided on one side or both sides of the conductive substrate. The conductive resin layer contains a soluble nitrocellulose-based resin and a conductive material.

Abstract: Provided is a technique to confirm the performance of the conductive resin layer of a current collector without actually preparing an electrode structure, a non-aqueous electrolyte battery, an electrical double layer capacitor, a lithium ion capacitor, or an electrical storage device, and to confirm the performance of the conductive resin layer easily with high accuracy by a non-destructive test. A current collector includes a conductive substrate and a resin layer possessing conductivity, the resin layer being formed on at least one side of the conductive substrate. The resin layer possessing conductivity contains a resin and a conductive material containing carbon as a main component. When the color tone of the surface of the resin layer possessing conductivity is specified with L*a*b* color system, L* is 60 or lower, a* is ?1.0 to 1.0, and b* is ?1.0 to 3.0.

Abstract: An object of the present invention is to provide a current collector which can decrease the internal resistance of a non-aqueous electrolyte battery, be used suitably for a non-aqueous electrolyte battery such as a lithium ion secondary battery and the like or for an electrical storage device such as a lithium ion capacitor and the like, and improve high rate characteristics. According to the present invention, a current collector which is structured by forming a resin layer possessing conductivity on at least one side of a conductive substrate is provided. The resin layer contains a chitosan-based resin and a conductive material, and the water contact angle of the surface of the resin layer measured by ?/2 method in a thermostatic chamber at 23° C. is 5 degrees or more and 60 degrees or less. In addition, an electrode structure, a non-aqueous electrolyte battery, and an electrical storage device which use the current collector are provided.

Abstract: A current collector which is suitable for discharging and charging at a large current density is provided. The present invention provides a current collector including a conductive substrate and a conductive resin layer provided on one side or both sides of the conductive substrate. The conductive resin layer contains a soluble nitrocellulose-based resin and a conductive material.

Abstract: An object of the present invention is to provide a current collector which includes an aluminum alloy foil for electrode current collector, with high electrical conductivity and high strength after a drying process performed after application of an active material. According to the present invention, provided is a current collector including a conductive substrate and a resin layer provided on one side or both sides of the conductive substrate, wherein: the conductive substrate is an aluminum alloy foil containing 0.03 to 1.0 mass % (hereinafter mass % is referred to as %) of Fe, 0.01 to 0.3% of Si, 0.0001 to 0.2% of Cu, with the rest being Al and unavoidable impurities, an aluminum alloy foil after a final cold rolling having a tensile strength of 180 MPa or higher, a 0.2% yield strength of 160 MPa or higher, and an electrical conductivity of 58% IACS or higher; an aluminum alloy foil after performing a heat treatment at 120° C. for 24 hours, at 140° C. for 3 hours, or at 160° C.

Abstract: Provided is a technique to confirm the performance of the conductive resin layer of a current collector without actually preparing an electrode structure, a non-aqueous electrolyte battery, an electrical double layer capacitor, a lithium ion capacitor, or an electrical storage device, and to confirm the performance of the conductive resin layer easily with high accuracy by a non-destructive test. A current collector includes a conductive substrate and a resin layer possessing conductivity, the resin layer being formed on at least one side of the conductive substrate. The resin layer possessing conductivity contains a resin and a conductive material containing carbon as a main component. When the color tone of the surface of the resin layer possessing conductivity is specified with L*a*b* color system, L* is 60 or lower, a* is ?1.0 to 1.0, and b* is ?1.0 to 3.0.

Abstract: An object of the present invention is to provide a current collector which can decrease the internal resistance of a non-aqueous electrolyte battery, be used suitably for a non-aqueous electrolyte battery such as a lithium ion secondary battery and the like or for an electrical storage device such as a lithium ion capacitor and the like, and improve high rate characteristics. According to the present invention, a current collector which is structured by forming a resin layer possessing conductivity on at least one side of a conductive substrate is provided. The resin layer contains a chitosan-based resin and a conductive material, and the water contact angle of the surface of the resin layer measured by ?/2 method in a thermostatic chamber at 23° C. is 5 degrees or more and 60 degrees or less. In addition, an electrode structure, a non-aqueous electrolyte battery, and an electrical storage device which use the current collector are provided.

Abstract: An object of the present invention is to improve an adhesion between the surface of a conductive resin layer and an active material, which are provided to a current collector. Another object of the present invention is to improve a high rate characteristics or electrode lifetime of a non-aqueous electrolyte battery, an electrical double layer capacitor, a lithium ion capacitor and the like which uses the current collector. A current collector prepared by forming a resin layer possessing conductivity on a conductive substrate, is provided. A surface roughness Ra of the resin layer possessing conductivity is 0.1 ?m or higher and 1.0 ?m or lower. In addition, when a coating thickness of the resin layer possessing conductivity is taken as t [?m] and the average angle of inclination of the resin layer surface is taken as ?a [degree], (?)t+0.5??a?(?)t+10 is met.