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Battery-cell module structure of battery

  • US 8,632,906 B2
  • Filed: 04/10/2008
  • Issued: 01/21/2014
  • Est. Priority Date: 05/10/2007
  • Status: Expired due to Fees
First Claim
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1. A battery-cell module structure of a battery comprising:

  • a resinous container main body that forms an inner space and has an opening portion that opens upward;

    a battery cell consisting of one flat upper side assembled battery and one flat lower side assembled battery that have a thick center portion and a thin peripheral end portion, the flat upper side assembled battery and the flat lower side assembled battery being piled up in a vertical direction in the inner space;

    a resinous frame body that surrounds the thick central portions between the thin peripheral end portions of the flat upper side assembled battery arranged at an upper side and the flat lower side assembled battery arranged at a lower side;

    a resinous lid part that closes the opening portion of the resinous container main body; and

    a ventilating means that is provided on the resinous container main body and has up and down symmetrical shape and size so as to communicate the inner space of the resinous container main body with an exterior of the ventilating means in such a way that the ventilating means cools the flat upper side assembled battery and the flat lower side assembled battery, suppressing a variation in temperature between the flat upper side assembled battery and the flat lower side assembled battery, whereinthe flat upper side assembled battery and the flat lower side assembled battery are put in the vertical direction between the resinous container main body, the resinous frame body and the resinous lid portion, whereina part of the resinous lid part is formed as a metal portion, and whereinthe metal portion is contacted with a top surface of the flat upper side assembled battery.

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