BATTERY PACK
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United States of America Patent
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N/A
Issued Date -
Dec 4, 2008
app pub date -
May 31, 2007
filing date -
May 31, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The battery pack is made up by stacking vertically a plurality of electrically-series-connected flat-plate-like battery cells so as to attain a given voltage and a given capacity. Interlayer members are interposed between each battery cell stacked. The interlayer member functions as a surface pressure distributing member to thereby equalize surface pressures of the battery cells building up the battery pack, thus permitting the whole of the battery pack to lengthen in life span. Further, by employing, as the interlayer members, heat insulating members with heat insulating efficiency or heat dissipating members with excellent thermal conductivity, the battery cell located in a central position of the battery pack is prevented from shortening partially in life span, thus permitting the whole of the battery pack to lengthen in life span.
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