ELECTRODE PLATE SPREADING DEVICE FOR SECONDARY BATTERY

An electrode plate spreading device of a rechargeable battery according to an embodiment of the present disclosure includes: a magazine stacking electrode plates in which one surface of a base substrate is an uncoated region and the other surface is a coated region, and are punched out and curled toward the base substrate; a bottom jig provided downwardly inside the magazine and supporting the electrode plates with a curvature supporting surface; a top jig provided above the magazine and having a curvature pressing surface to press the electrode plates; and a pressing member that presses the top jig and maintains the pressed state.