Abstract
A roll press apparatus for manufacturing an electrode plate, the roll press apparatus including a frame portion, a first pressure roller rotatably fixed on the frame portion to press a first surface of the electrode plate, the first pressure roller being configured to have a first expansion roller protruding at each of opposite ends of the first pressure roller, a second pressure roller rotatably fixed on the frame portion to pressurize a second surface facing the first surface of the electrode plate, the second pressure roller being configured to have a second expansion roller protruding at each of opposite ends of the second pressure roller, and a driver configured to provide a driving force to the first pressure roller and the second pressure roller.