| 摘要 |
According to the present invention, regarding an electrode for a secondary battery comprising an electrode current collector and an electrode active material applied on at least one side of the electrode current collector, the electrode active material is equipped with an engraving pattern formed from the surface to a certain depth. According to the present invention, wettability of an electrolyte with respect to an electrode for a secondary battery can be improved, thereby improving efficiency of a manufacturing process of a secondary battery and improving performance of a secondary battery. |
