Electrode assembly and secondary battery having the electrode assembly
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United States of America Patent
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Jan 23, 2018
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app pub date -
Jan 6, 2016
filing date -
Mar 13, 2015
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Abstract
An electrode assembly includes a first electrode plate including a first electrode current collector and a first electrode active material layer thereon, a second electrode plate including a second electrode current collector and a second electrode active material layer thereon, a separator between the first electrode plate and the second electrode plate, a first electrode tab coupled to the first electrode current collector, and a second electrode tab coupled to the second electrode current collector, wherein a region of the first electrode current collector including the first electrode tab faces a wound first electrode plate, wherein a region of the second electrode current collector including the second electrode tab faces a wound second electrode plate, and wherein the second electrode active material layer is only on one surface of the second electrode current collector in a region preceding a first winding turn of the second electrode plate.
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