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Assembled battery and vehicle

  • US 7,997,367 B2
  • Filed: 04/11/2007
  • Issued: 08/16/2011
  • Est. Priority Date: 05/11/2006
  • Status: Active Grant
First Claim
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1. An assembled battery, comprising:

  • a plurality of secondary batteries stacked together, each includinga plurality of bipolar electrodes stacked in the same direction as the stacking direction of said plurality of secondary batteries, each having a positive electrode formed on a first main surface and a negative electrode formed on a second main surface, anda plurality of electrolytes provided for every two adjacent ones of said plurality of bipolar electrodes, and arranged between said positive electrode of one of said two adjacent bipolar electrodes and said negative electrode of the other one of said two adjacent bipolar electrodes; and

    a heat radiating member arranged to form a first cooling passage allowing flow of a cooling medium, between at least one pair of adjacent first and second secondary batteries, among said plurality of secondary batteries, andanother heat radiating member arranged to form a second cooling passage allowing flow of a cooling medium, between said second secondary battery and a third secondary battery positioned opposite to said first secondary battery with respect to said second secondary battery and adjacent to said second secondary battery among said plurality of secondary batteries;

    whereinsaid heat radiating member is arranged relative to a cooling apparatus supplying such that said cooling medium from said cooling apparatus flows through the first cooling passage in a first direction, andsaid another heat radiating member is arranged relative to said cooling apparatus such that said cooling medium from said cooling apparatus flows through the second cooling passage in a second direction, opposite to said first direction.

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