Abstract: An electrode assembly includes a first sub-unit body including a plurality of stacked first unit bodies, and a second sub-unit body at a lower portion of the first sub-unit body and including a plurality of stacked first unit bodies and a second unit body at a lower portion of the first unit bodies, and each of the first unit bodies includes: first and second electrode plates of a first electrode separately arranged at a side of a first separator; a second separator on the first and second electrode plates of the first electrode; a first electrode plate of a second electrode arranged to correspond to the first electrode plate of the first electrode, with the first separator therebetween; and a second electrode plate of the second electrode arranged to correspond to the second electrode plate of the first electrode, with the second separator therebetween.

Abstract: A rechargeable battery having increased capacity while facilitating a manufacturing process is provided. A rechargeable battery includes: an electrode assembly including at least a unit body including a first region and a second region that are divided based on a folding center in which separators including at least two facing sheets are folded, and electrode plates of a first electrode and electrode plates of a second electrode, and the electrode plates of the first electrode and the electrode plates of the second electrode are alternately stacked with the separators therebetween in each of the first region and the second region; and a case receiving the electrode assembly and an electrolyte solution.

Abstract: An electrode assembly includes a first sub-unit body including a plurality of stacked first unit bodies, and a second sub-unit body at a lower portion of the first sub-unit body and including a plurality of stacked first unit bodies and a second unit body at a lower portion of the first unit bodies, and each of the first unit bodies includes: first and second electrode plates of a first electrode separately arranged at a side of a first separator; a second separator on the first and second electrode plates of the first electrode; a first electrode plate of a second electrode arranged to correspond to the first electrode plate of the first electrode, with the first separator therebetween; and a second electrode plate of the second electrode arranged to correspond to the second electrode plate of the first electrode, with the second separator therebetween.

Abstract: A rechargeable battery having increased capacity while facilitating a manufacturing process is provided. A rechargeable battery includes: an electrode assembly including at least a unit body including a first region and a second region that are divided based on a folding center in which separators including at least two facing sheets are folded, and electrode plates of a first electrode and electrode plates of a second electrode, and the electrode plates of the first electrode and the electrode plates of the second electrode are alternately stacked with the separators therebetween in each of the first region and the second region: and a case receiving the electrode assembly and an electrolyte solution.