发明名称 |
SEALED BATTERY AND METHOD FOR FABRICATING THE SAME |
摘要 |
A sealed battery includes electrode group 4 formed by winding or stacking a positive electrode plate 1 and a negative electrode plate 2 with a separator 3 interposed between the positive electrode plate 1 and the negative electrode plate 2, the electrode group being housed in a battery case 5, and an opening of the battery case 5 being sealed with a sealing plate 10, wherein a lead 11 extending from one of the electrode plates in the electrode group 4 is laser welded to the sealing plate 10, and a welding portion 14 between the lead 11 and the sealing plate 10 has a linear shape straddling at least an end portion of the lead 11.
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申请公布号 |
US2011195288(A1) |
申请公布日期 |
2011.08.11 |
申请号 |
US201013123765 |
申请日期 |
2010.07.27 |
申请人 |
HARIMA YUKIO;KUMAZAWA SEIJI;FUNAMI KOJI;FUKUOKA TAKAHIRO;MIYATA KYOSUKE;KATO SEIICHI |
发明人 |
HARIMA YUKIO;KUMAZAWA SEIJI;FUNAMI KOJI;FUKUOKA TAKAHIRO;MIYATA KYOSUKE;KATO SEIICHI |
分类号 |
H01M2/26;B23K26/20;H01M2/04 |
主分类号 |
H01M2/26 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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