| 摘要 |
According to an embodiment of the present invention, provided is a secondary battery which prevents the precipitation of lithium salt at the interface of a separator and an electrode by forming uniform junction at the interface of the separator and the electrode. A secondary battery according to an embodiment of the present invention includes a curved part which is set on both sides by stacking an electrode on both surfaces of the separator and winding the same; an electrode assembly which includes a planar part which is set between the curved parts; a pressurizing part which pressurizes at least one of the planar part and the curved part; a case which includes the pressurizing member and the electrode assembly inside; and a cap plate which is electrically connected to the electrode assembly and is combined with the case. |
