Secondary battery and method for fabricating the same
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United States of America Patent
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Jan 30, 2018
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May 12, 2016
filing date -
Jun 16, 2015
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Abstract
Provided is a pouch-type secondary battery which can increase spatial utility by reducing the length of a non-electrode region and a method for fabricating the same. The secondary battery according to the present disclosure is a secondary battery having a sealed structure such that an electrode assembly of positive electrode plate/separator/negative electrode plate is embedded in a pouch case and an electrode tab of the electrode assembly is joined to an electrode lead and juts outside, wherein the electrode tab is welded to a side surface perpendicular to a surface-wise direction of the secondary battery on the electrode lead arranged parallel to the surface-wise direction of the secondary battery, to form a welded part in a thickness-wise direction of the electrode lead between the electrode lead and the electrode tab.
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