| 发明名称 | Secondary battery | ||
| 摘要 | A secondary battery capable of preventing an internal electric short by allowing an upper cap plate to be deformed toward the outside of a can and having improved stability under external impacts. The secondary battery includes a can having an internal space, an electrode assembly inserted into the space of the can, and a cap plate coupled to a top portion of the can, wherein the cap plate includes a deformation inducing part having a groove formed on its one surface. | ||
| 申请公布号 | US9224992(B2) | 申请公布日期 | 2015.12.29 |
| 申请号 | US201113303017 | 申请日期 | 2011.11.22 |
| 申请人 | Samsung SDI Co., Ltd. | 发明人 | Yoon Jangho |
| 分类号 | H01M2/04;H01M2/12 | 主分类号 | H01M2/04 |
| 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 internal space; an electrode assembly inserted into the internal space of the can; and a cap plate coupled to a top portion of the can having a width and a length, wherein the cap plate includes a deformation inducing part formed by a groove formed on a surface of the cap plate, wherein the groove extends the entire length of the cap plate, and wherein the cap plate includes an opening for the electrode that is formed in the groove. | ||
| 地址 | Yongin-si KR | ||