Electrode assembly with porous structure and secondary battery including the same
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United States of America Patent
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Feb 20, 2018
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N/A
app pub date -
Dec 13, 2013
filing date -
Sep 20, 2011
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Abstract
The present invention relates to an electrode assembly of a porous structure and a secondary battery including the same. In an electrode assembly including a plurality of cathodes, anodes, and separators, the present invention provides a secondary battery including an electrode assembly including one or more through holes, and a passing sealing portion supplementarily sealed on positions corresponding to the through holes. The secondary battery according to the present invention may prevent the inner short and increase safety by including the fused portion of an electrode assembly and a battery case, stably fixing them, and holding back the movement of the electrode assembly. In addition, the present invention has an effect of being capable of greatly enhancing impregnation on electrolyte since the electrode assembly has a porous structure.
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