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Battery module having a cell tray with thermal management features

  • US 8,609,268 B2
  • Filed: 12/16/2011
  • Issued: 12/17/2013
  • Est. Priority Date: 06/18/2009
  • Status: Active Grant
First Claim
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1. A battery module comprising:

  • a plurality of electrochemical cells; and

    a structure comprising an upper portion configured to support a bottom portion of each of the plurality of electrochemical cells and a lower portion coupled to the upper portion, the lower portion comprising a thermal management feature having at least one passage provided therein, the passage configured for a thermal management fluid to pass therethrough to provide thermal management to the electrochemical cells of the battery module;

    wherein the lower portion comprises a heat sink;

    wherein the heat sink has a plurality of fins extending away from the plurality of electrochemical cells, wherein the thermal management fluid is configured to pass between the fins; and

    wherein the lower portion comprises a feature configured to divide the flow of the thermal management fluid through the heat sink in a first direction and in a second direction generally opposite the first direction.

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