BATTERY AND METHOD FOR MANUFACTURING BATTERY
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United States of America Patent
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Issued Date -
Apr 2, 2015
app pub date -
Sep 25, 2014
filing date -
Sep 30, 2013
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Abstract
A battery includes a case and an electrode group disposed in the case and formed by winding electrodes. Lengths of the electrodes in a direction of a winding axis of the electrode group are smaller than a length of a housing space in the case in the direction of the winding axis of the electrode group. The electrode group is formed by helically winding the electrodes.
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