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    • 10. 发明授权
    • Method for manufacturing sealed battery and sealed battery manufactured thereby
    • 由此制造密封电池和密封电池的方法
    • US08017267B2
    • 2011-09-13
    • US11607891
    • 2006-12-04
    • Satoshi Yoshida
    • Satoshi Yoshida
    • H01M2/08
    • H01M2/08H01M2/0426H01M10/0431Y10T29/4911Y10T29/49114
    • A method for manufacturing a sealed battery according to one embodiment of this invention includes a first step of using an outer can 15 having an opening, and a sealing plate 16 having a flange provided with a groove 22 around or on a part of a fitting face of the sealing plate 16 with the outer can 15, and inserting the sealing plate 16 into the opening of the outer can 15 so that a top face of the outer can 15 is approximately flush with a top face of the flange of the sealing plate 16, and a second step of welding together the outer can 15 and the sealing plate 16 by radiating a high energy ray to the fitting portion therebetween. The invention thus makes it possible to provide a method for manufacturing a sealed battery in which a weld formed by welding a sealing plate fitted into an opening of an outer can of a battery with a laser or other high energy rays has a large breaking strength, and a sealed battery manufactured thereby.
    • 根据本发明的一个实施例的用于制造密封电池的方法包括使用具有开口的外罐15的第一步骤和密封板16,该密封板16具有围绕配合面的一部分周围设置有槽22的凸缘 密封板16与外罐15接合,并将密封板16插入外罐15的开口中,使得外罐15的顶面与密封板16的凸缘的顶面大致齐平 以及通过向其间的配合部射出高能量射线而将外罐15和密封板16焊接在一起的第二工序。 因此,本发明使得可以提供一种用于制造密封电池的方法,其中通过用激光或其它高能射线焊接装配到电池的外罐的开口中的密封板形成的焊接具有大的断裂强度, 以及由此制造的密封电池。