ELECTRODE AND ELECTRODE ASSEMBLY

An electrode according to an embodiment of the present invention for solving the above problem comprises: an active material coating portion coated with an electrode active material on at least one surface of an electrode collector; and an active material non-coating portion which is formed at one side of the active material coating portion, is not coated with the electrode active material, and comprises at least one slit extending from one end to the other end thereof, wherein a hole is formed to pass through a point at which the slit and the active material coating portion meet each other.