Electrode plate notching apparatus and method of notching electrode plate

An electrode plate notching apparatus comprising:

• a lower body which supports an electrode plate which is transferred in a first direction and includes non-coating portions at both edges in a second direction intersecting the first direction;
• a pair of dies installed on the lower body to be spaced apart from each other in the second direction to face the non-coating portions and each including a punch hole;
• an upper body installed above the lower body to be moveable upwardly and downwardly;
• a pair of punches installed on the upper body to be spaced apart from each other in the second direction to ascend and descend in conjunction with ascent and descent of the upper body and inserted into the pair of punch holes as the upper body descends;
• and
• a pair of tension application members installed on the upper body to be spaced apart from each other in the second direction to ascend and descend in conjunction with the ascent and the descent of the upper body and apply tension to the electrode plate in the second direction before the punches are inserted into the punch holes.

A method of notching an electrode plate, comprising:

• an electrode plate arrangement operation of transferring an electrode plate in a first direction to arrange the electrode plate on an electrode plate notching apparatus;
• a tension application operation of applying tension to the electrode plate in a second direction intersecting the first direction;
• and
• a cutting operation of cutting and removing a portion of a non-coating portion of the electrode plate to which the tension is applied.