| 发明名称 |
SECONDARY BATTERY AND A METHOD OF MANUFACTURING SECONDARY BATTERY |
| 摘要 |
A secondary battery according to one embodiment includes, an electrode group which is a cathode and an anode wound with a separator being interposed therebetween, a first lead having a first welding surface, a second lead having a second welding surface which is bent with respect to a winding axial direction of the electrode group, a first current collecting tab which is extended from one end of the electrode group on the winding axial direction, and welded onto the first welding surface of the first lead, a second current collecting tab which is extended from the other end of the electrode group on the winding axial direction, and welded onto the second welding surface of the second lead, a first terminal connected to the first lead, and a second terminal connected to the second lead. |
| 申请公布号 |
US2016336576(A1) |
申请公布日期 |
2016.11.17 |
| 申请号 |
US201615218111 |
申请日期 |
2016.07.25 |
| 申请人 |
Kabushiki Kaisha Toshiba |
发明人 |
SHINODA Tatsuya;HASHIMOTO Tatsuya;KAWAMURA Koichi;NEGISHI Nobuyasu;TAKESHITA Koichi;MURASHI Yasuaki |
| 分类号 |
H01M2/26;H01M10/0587;H01M10/04;H01M10/0525 |
主分类号 |
H01M2/26 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A secondary battery comprising:
an electrode group which is a cathode and an anode wound with a separator being interposed therebetween; a first lead having a first welding surface; a second lead having a second welding surface which is bent with respect to a winding axial direction of the electrode group; a first current collecting tab which is extended from one end of the electrode group on the winding axial direction, and welded onto the first welding surface of the first lead; a second current collecting tab which is extended from the other end of the electrode group on the winding axial direction, and welded onto the second welding surface of the second lead; a first terminal connected to the first lead; and a second terminal connected to the second lead. |
| 地址 |
Minato-ku JP |
