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Battery module assembly having coolant flow channel

  • US 9,786,968 B2
  • Filed: 07/29/2014
  • Issued: 10/10/2017
  • Est. Priority Date: 07/31/2013
  • Status: Active Grant
First Claim
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1. A battery module assembly comprising unit modules, each of which comprises unit cells mounted to a cartridge in a state of being electrically connected to each other via bus bars, the battery module assembly comprising:

  • a base plate;

    two or more sub-modules loaded on the base plate, each of which comprises two or more unit modules vertically stacked relative to the base plate to form a coolant flow channel at an interface therebetween, the coolant flow path extending parallel to the base plate, the sub-modules being arranged in a lateral direction in a state of being spaced apart from each other to provide the coolant flow channel;

    side cover plates mounted at sides of the sub-modules, each of the side cover plates having at least one coolant inlet port, through which a coolant is introduced; and

    a bracket for fixing ends of the sub-modules, the bracket being located between the sub-modules, the bracket having a coolant outlet port communicating with the coolant flow channel.

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