| 摘要 |
PURPOSE: A rechargeable battery is provided to prevent the abnormal occurrence of a battery caused by the deformation of a laminated electrode assembly or the twisting of a wound electrode assembly having a large area. CONSTITUTION: A rechargeable battery(100) comprises: an electrode assembly(110) including a first electrode plate(111), a second electrode plate(112) and a separator interposed between first and second electrode plates; a case(120) in which the electrode assembly and electrolyte are housed; and a core member(130) which impregnates electrolyte by being installed in the center of the electrode assembly and maintains the shape of the electrode assembly. |
