BATTERY MODULE
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United States of America Patent
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Issued Date -
Oct 22, 2015
app pub date -
Nov 13, 2013
filing date -
Nov 28, 2012
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Abstract
A battery module has a stacked member including a plurality of batteries, separators provided at the batteries, and a pair of the end plates disposed at both ends of the stacked direction of the plurality of the batteries. Binding bars are fixed to the pair of the end plates so as to bind the plurality of the batteries. When temperature changes from 30° C. to −30° C., the binding bars have larger compressed size change ΔL per unit length in the elongated direction than compressed size change ΔS per unit length in the stacked direction in the stacked member
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