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    • 57. 发明授权
    • Battery pack and electrically powered vehicle including the battery pack
    • 电池组和电动车辆,包括电池组
    • US09159970B2
    • 2015-10-13
    • US13200394
    • 2011-09-23
    • Minoru WatanabeShingo Kawahara
    • Minoru WatanabeShingo Kawahara
    • H01M10/00H01M2/02H01M2/10H01M10/625H01M10/6563H01M10/647H01M10/6566H01M10/613
    • H01M2/1077H01M10/613H01M10/625H01M10/647H01M10/6563H01M10/6566
    • Provided is a battery pack that can uniformly cool a plurality of electric cells, prevent a breakdown of the electric cells, and provide high performance of all electric cells. The battery pack includes a packaging case in which: each adjacent ones of a plurality of electric cells in the first direction define a ventilation space; first and second passages are defined that extend in the first direction and that are arranged to have the plurality of electric cells located between the first and second passages in a second direction intersecting the first direction, wherein gas supplied to the first passage flows through the ventilation spaces to the second passage; and a flow rate limitation device is provided that is arranged in an upstream area of the first passage and that limits a flow rate of the gas flowing through one of the plurality of ventilation spaces, which leads to the upstream area of the first passage, to a predetermined flow rate.
    • 提供一种能够均匀地冷却多个电池的电池组,防止电池的击穿,并提供所有电池的高性能。 电池组包括一个包装盒,其中:第一方向上的多个电池中的相邻的电池单元限定通风空间; 第一和第二通道被限定为沿着第一方向延伸并且被布置成在与第一方向相交的第二方向上具有位于第一和第二通道之间的多个电单元,其中供应到第一通道的气体流过通气 第二段的空间; 并且设置有流量限制装置,其布置在第一通道的上游区域中,并且限制流过通向第一通道的上游区域的多个通风空间中的一个的气体的流量流向 预定流量。