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Battery system and driving method thereof

  • US 9,806,388 B2
  • Filed: 12/31/2015
  • Issued: 10/31/2017
  • Est. Priority Date: 02/03/2010
  • Status: Active Grant
First Claim
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1. A driving method of a battery system, the battery system comprising a plurality of battery packs and a gas dividing unit comprising a plurality of valves, the method comprising:

  • measuring temperatures of the plurality of battery packs;

    comparing the measured temperatures of the plurality of battery packs with a first reference temperature;

    when the measured temperature of one or more of the plurality of battery packs is higher than the first reference temperature, determining that the one or more of the plurality of battery packs are overheated; and

    cooling the overheated one or more of the plurality of battery packs by selectively opening a corresponding one or more of the valves of the gas dividing unit to provide a cooling air to the overheated one or more of the plurality of battery packs,wherein a battery pack of the battery packs comprises an entrance part for receiving the cooling air into the battery pack, an exit part for discharging the cooling air out of the battery pack, and a curved distribution member located inside the entrance part for changing the direction of the cooling air to distribute the cooling air for the cooling air to contact a plurality of battery cells in the battery pack while passing between the plurality of battery cells.

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