ELECTRODE FOIL, CURRENT TAP, ELECTRODE AND ELEMENT FOR ELECTRIC ENERGY ACCUMULATION WITH THEIR USAGE Russian patent published in 2016 - IPC H01G9/04 H01G11/32 H01G11/70 H01M4/13 H01M4/66 

FIELD: electricity.

SUBSTANCE: cathode foil or current tap are used with the following elements: metal foil; and metal layer, mixed layer containing carbon and substance representing the metal layer in mixed up state, and carbon layer consisting essentially of carbon, and each of the layers is formed at metal foil. The mixed layer has composition variable depending on the state of the substance essentially contained by the metal layer up to the state when only carbon is contained essentially in direction from the metal layer towards the carbon layer.

EFFECT: increased capacitance, reduced equivalent series resistance and leak current, reinforced thermal resistance and reduced own costs of production, increased specific power, implementation of fast charge and discharge and improvement of resource characteristics in the element for electric energy accumulation, such as secondary battery, electric double layer capacitor and hybrid capacitor.

19 cl, 13 dwg, 15 tbl