Stepped electrode assembly having predetermined a thickness ratio in the interface between electrode units, battery cell and device comprising the same
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United States of America Patent
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Apr 18, 2017
Grant Date -
Jan 8, 2015
app pub date -
Sep 26, 2014
filing date -
Apr 20, 2012
priority date (Note) -
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Abstract
There are provided an electrode assembly, and a battery cell, a battery pack, and a device. The electrode assembly includes a combination of two or more types of electrode units having different areas, wherein the electrode units are stacked such that steps are formed, and electrode units are formed such that a positive electrode and a negative electrode face one another at an interface between the electrode units.
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