| 摘要 |
A method of manufacturing a secondary battery and a secondary battery manufactured by the method are disclosed. In one aspect, the method includes providing an electrode assembly including first and second electrode plates, wherein the first electrode plate includes a plurality of first multi-tabs outwardly extending from an end thereof, and wherein the second electrode plate includes a plurality of second multi-tabs outwardly extending from an end thereof. The method also includes tack welding the first and second multi-tabs with the use of upper and lower welding tools, wherein the upper welding tool has a protrusion and the lower welding tool has a recess, and wherein a bending portion is formed in the first and second multi-tabs. The method further includes and welding lead tabs to the tack welded first and second multi-tabs, respectively and accommodating the electrode assembly having the lead tabs welded thereto in a case. |
| 主权项 |
1. A method of manufacturing a secondary battery, the method comprising:
providing an electrode assembly, the electrode assembly including first and second electrode plates, and a separator interposed between the first and second electrode plates, wherein the first electrode plate includes a plurality of first multi-tabs outwardly extending from an end thereof, and wherein the second electrode plate includes a plurality of second multi-tabs outwardly extending from an end thereof; tack welding the first and second multi-tabs with the use of upper and lower welding tools, wherein the upper welding tool has a protrusion and the lower welding tool has a recess, and wherein, after the tack welding, a bending portion is formed in each of the first and second multi-tabs. welding lead tabs to the tack welded first and second multi-tabs, respectively; and accommodating the electrode assembly having the lead tabs welded thereto in a case. |
