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    • 84. 发明授权
    • Battery pack
    • US11367920B2
    • 2022-06-21
    • US16877514
    • 2020-05-19
    • HONDA MOTOR CO., LTD.
    • Atsushi Sakurai
    • H01M50/20H01M50/543
    • Provided is a battery pack that, even in a case in which a metal plate and an electrode terminal are made of different metals, can increase reliability of the connection strength by welding them and can be configured at a low cost. A battery pack 1 includes adjacent battery cells 2 having positive and negative electrode terminals connected each other by a metal plate 3, and a dissimilar material bonding plate 4 having a terminal insertion hole 43 is disposed above a terminal connection hole 32, which is a long hole or a loose hole, into which an electrode terminal 24 composed of a different kind of metal from the metal plate 3. The dissimilar material bonding plate 4 includes a stack of a first plate 41 and a second plate 42 that are composed of different kinds of metal from each other, and an outer diameter of the second plate 42 is larger than that of the first plate 41, in which the first plate 41 is composed of a metal of the same element as a metal that forms the electrode terminal 24, and welded to the electrode terminal 24, and the second plate 42 is composed of a metal of the same element as a metal that forms the metal plate 3, and welded to the metal plate 3.