In the method of producing an electrode for a secondary battery according to an exemplary embodiment of the present invention, the raw material may include two different kinds of electrode active materials having different compositions, crystal structures, particle shapes, mechanical properties, or physical properties.
In the method of producing an electrode for a secondary battery according to an exemplary embodiment of the present invention, the porosity of the active material film may be controlled by the porosity of the active material bulk.
In the method of producing an electrode for a secondary battery according to an exemplary embodiment of the present invention, the electrode active material in the active material bulk may have an orientation, and the oriented direction of the electrode active material in the active material film based on the thickness direction of the active material film may be controlled by a cutting direction in the cutting step.
In the method of producing an electrode for a secondary battery according to an exemplary embodiment of the present invention, the binding step may include forming an adhesive layer on at least one surface of a surface of the current collector and a surface of the active material film; and layering a current collector and an active material film so as to be in contact with each other, with the adhesive layer interposed therebetween.
In the method of producing an electrode for a secondary battery according to an exemplary embodiment of the present invention, the binding step may include forming a metal film on one surface of the active material film.
In the method of producing an electrode for a secondary method according to an exemplary embodiment of the present invention, the adhesive layer may be conductive.