| 摘要 |
PROBLEM TO BE SOLVED: To provide a collector capable of: reducing internal resistance of a nonaqueous electrolyte battery; being used suitably for capacitor components such as a nonaqueous electrolyte battery such as a lithium ion secondary battery, a capacitor for an electric double layer, and a lithium ion capacitor; improving high rate characteristics; and extending a lifetime.SOLUTION: A collector 1 includes a resin layer 5 having conductivity on at least one surface of a conductive base material 3 containing an acrylic resin and a conductive material, wherein a contact angle of a solvent system paste at 23°C on the resin layer surface in a thermostatic chamber measured with a &thetas;/2 method is 20°C or higher and 50°C or lower, and/or a contact angle of aqueous model active material paste is 40°C or higher and 110°C or lower. |
