Lithium electrode and lithium secondary battery comprising same
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United States of America Patent
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Sep 28, 2021
Grant Date -
Oct 17, 2019
app pub date -
Mar 13, 2018
filing date -
May 15, 2017
priority date (Note) -
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Abstract
A lithium electrode and a lithium secondary battery including the same, and in particular, to a lithium electrode including a lithium metal layer; and a surface treatment layer formed on the lithium metal layer, wherein the surface treatment layer includes a surface treatment compound including a functional group capable of bonding with lithium metal and a hydrocarbon group substituted with one or more fluorine. By being provided with a surface treatment layer including a specific functional group, the lithium electrode improves stability of lithium metal as well as suppressing side reactions on the surface, and thereby allows high capacity, high stability and long lifetime of a lithium secondary battery.
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