FIELD: electricity.
SUBSTANCE: current collector uses a conducting carbon base (e.g., graphite foil) with p-type conductivity. A protective film covers at least a portion of the graphite foil base. The protective film consists of a conducting composite material made with a conducting carbon and a conducting organic polymer with p-type conductivity. The protective film is grown on the current collector base such that it preferably fills pores of the current collector base. A lug portion of the current collector base may be protected with an insulating polymer material.
EFFECT: providing low and stable contact resistance with active mass of the electrode thereof.
24 cl, 18 dwg
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