9 Apparatus and instruments for accumulating and storing electricity, in particular rechargeable batteries, rechargeable electrochemical cells, and capacitors; electrodes, in particular for electrical and electrochemical purpose; anodes, in particular for rechargeable electric batteries, rechargeable cells, and capacitors; cathodes, in particular for rechargeable electric batteries, rechargeable cells, and capacitors; current collectors, in particular for rechargeable electric batteries, rechargeable cells, and capacitors; engineering material for electrical conduction comprising aluminum foil coated with a metal layer and a carbon layer, in particular for rechargeable electric batteries, rechargeable cells, and capacitors; engineering material for electrical conduction comprising copper foil coated with a metal layer and a carbon layer, in particular for rechargeable electric batteries, rechargeable cells, and capacitors; engineering material for electrical conduction comprising aluminum or copper coated plastic foil coated with a metal layer and a carbon layer, in particular for rechargeable electric batteries, rechargeable cells, and capacitors; engineering material for electrical conduction comprising aluminum foil coated with metal carbide, in particular for rechargeable electric batteries, rechargeable cells, and capacitors; engineering material for electrical conduction comprising copper foil coated with metal carbide, in particular for rechargeable electric batteries, rechargeable cells, and capacitors; engineering material for electrical conduction comprising aluminum or copper coated plastic foil coated with metal carbide, in particular for rechargeable electric batteries, rechargeable cells, and capacitors; circuit for electrical conduction comprising aluminum foil coated with metal nitride, in particular for rechargeable electric batteries, rechargeable cells, and capacitors; engineering material for electrical conduction comprising copper foil coated with metal nitride, in particular for rechargeable electric batteries, rechargeable cells, and capacitors; engineering material for electrical conduction comprising aluminum or copper coated plastic foil coated with metal nitride, in particular for rechargeable electric batteries, rechargeable cells, and capacitors; engineering material for electrical conduction comprising thin films, in particular adhesive thin films for industrial use