Electrodeposited copper foil and electrode, and lithium-ion secondary battery comprising the same
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United States of America Patent
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Jun 14, 2022
Grant Date -
Sep 30, 2021
app pub date -
Jan 15, 2020
filing date -
Feb 1, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
Provided are an electrodeposited copper foil, an electrode comprising the same, and a lithium-ion secondary battery comprising the same. The electrodeposited copper foil has a drum side and a deposited side opposing the drum side, wherein at least one of the drum side and the deposited side exhibits a void volume value (Vv) in the range of 0.17 μm3/μm2 to 1.17 μm3/μm2; and an absolute value of a difference between a maximum height (Sz) of the drum side and a Sz of the deposited side is in the range of less than 0.60 μm.
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