| 发明名称 | Secondary battery | ||
| 摘要 | A secondary battery comprising an electrode assembly including: a first electrode plate connected to a first electrode tab, a second electrode plate connected to a second electrode tab, and a separator disposed therebetween; a can having an opening, to house the electrode assembly; and a cap assembly to seal the opening. The first electrode tab has a reinforcement portion. The first electrode tab has a welding portion connected to the cap assembly and a bent portion formed in the reinforcement portion, which is thicker than the welding portion. | ||
| 申请公布号 | US8871386(B2) | 申请公布日期 | 2014.10.28 |
| 申请号 | US200812260397 | 申请日期 | 2008.10.29 |
| 申请人 | Samsung SDI Co., Ltd. | 发明人 | Kim Dae-Kyu |
| 分类号 | H01M4/02;H01M2/02;H01M2/26;H01M2/04;H01M10/04 | 主分类号 | H01M4/02 |
| 代理机构 | Knobbe Martens Olson & Bear LLP | 代理人 | Knobbe Martens Olson & Bear LLP |
| 主权项 | 1. A secondary battery comprising: a can having an opening; a cap assembly disposed in the opening of the can, the cap including a vent; and an electrode assembly disposed in the can, the electrode assembly including, a first electrode plate,a second electrode plate,a separator disposed between the first and second electrode plates,a first electrode tab connected to the first electrode plate and the vent of the cap assembly, anda second electrode tab connected to the second electrode plate and the can,wherein the first electrode tab includes a welding portion, bent portions and at least one reinforcement portion, andwherein each of the bent portions are disposed in a reinforcement portion. | ||
| 地址 | Yongin-si, Gyeonggi-do KR | ||