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Battery Pack Comprising Combined Temperature-Controlling System

  • US 20090305124A1
  • Filed: 03/31/2007
  • Published: 12/10/2009
  • Est. Priority Date: 04/03/2006
  • Status: Active Grant
First Claim
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1. A middle- or large-sized battery pack including a plurality of unit cells electrically connected with each other, whereinthe battery pack is constructed in a structure in which a heat transfer medium flows through gaps defined between the unit cells for controlling the overall temperature of the battery pack to be within a predetermined temperature range for the optimum operation of the battery pack, andeach unit cell is provided at the outer surface thereof, at which the heat transfer medium is brought into contact with each unit cell, with a layer containing a phase transformation material (‘

  • phase transformation layer’

    ) for minimizing individual temperature difference between the unit cells.

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