| abstract |
The electrode assembly for a secondary battery according to an embodiment of the present disclosure includes a first electrode including a first coating portion and a first non-coating portion positioned at least on one side of the first coating portion, a second coating portion, A second electrode including at least a second uncoated portion located at least on one side thereof, a separator interposed between the first electrode and the second electrode, and a first stress relieving portion located in at least a part of the region of the first uncoated portion, The first stress relieving portion and the second stress relieving portion may include at least one of an ethylene propylene copolymer, a hydrogenated hydrocarbon polymer, Film. |