Negative electrode material for lithium secondary battery and method for manufacturing the same
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United States of America Patent
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Apr 4, 2017
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Mar 7, 2014
filing date -
Mar 8, 2013
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Abstract
A negative electrode material for a lithium secondary battery, having one of iron foil and iron-base alloy foil, wherein the one of iron foil and iron-base alloy foil which has a surface profile having a plurality of concave shaped hollows formed by heat treating with laser beam irradiation and the surface is a surface which contacts with an electrolyte solution for a lithium secondary battery. There is further provided a lithium secondary battery including a negative electrode of the negative electrode material, a positive electrode using a lithium compound as an active material, an electrolyte between the negative electrode and the positive electrode, and a separator dividing the negative electrode and the positive electrode from each other.
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