发明名称 |
Method for producing square cell. |
摘要 |
A method for manufacturing a rectangular cell is provided in which a rectangular case containing a power generating element is hermetically sealed by laser welding a sealing plate to an open end of the rectangular case. A sealing plate 2 formed into the same shape as the upper open end of a rectangular case 1 is laid on the upper open end, laser beams 3a to 3d are applied in a downward direction from the horizontal to a line of contact 4 comprising sides "a" to "d" including respective corners "e", and the line of contact 4 is scanned with laser beams 3a to 3d thereby sealing the open end of the case with the sealing plate. <IMAGE> |
申请公布号 |
HK1034363(A1) |
申请公布日期 |
2005.04.22 |
申请号 |
HK20010104821 |
申请日期 |
2001.07.11 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
KAZUNNORI HARAGUCHI;HIROSHI YOSHIZAWA;TAKUYA NAKASHIMA;TAKASHI TAKEUCHI;KIKUO SENOO |
分类号 |
H01M2/02;H01M2/04;(IPC1-7):H01M |
主分类号 |
H01M2/02 |
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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