NEGATIVE ACTIVE MATERIAL AND RECHAREABLE LITHIUM BATTERY INCLUDING SAME
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United States of America
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Jan 16, 2025
app pub date -
Oct 24, 2023
filing date -
Oct 24, 2023
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Abstract
A negative active material includes a core having a silicon-carbon composite and a polymer coating layer formed on the core, wherein the negative active material has about 1.02 to about 1.6 of a ratio of height of N1s peak occurring at about 400±about 0.5 eV relative to a height of N1s peak occurring at about 405±about 0.5 eV of a bonding energy, and about 1.02 to about 3.0 of a ratio of a height of C1s peak occurring at about 286.5±about 0.5 eV relative to a height of C1s peak occurring at about 290±about 0.5 eV when an X-ray photoelectron spectroscopy (XPS) is measured.
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