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, including a resin layer 5 having conductivity on at least one surface of a conductive base material 3 containing a chitosan 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 15°C or higher and 50°C or lower, and/or a contact angle of aqueous model active material paste is 10°C or higher and 50°C or lower, an electrode structure 7 equipped with the collector 1, the nonaqueous electrolyte battery, and the capacitor component are provided. |