Anode Active Material for Lithium Secondary Battery and Lithium Secondary Battery Including the Same
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United States of America
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Nov 7, 2024
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Apr 22, 2024
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Apr 22, 2024
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An anode active material for a lithium secondary battery includes a lithium-silicon oxide particle that includes Li2SiO3 and silicon, and optionally further includes Li2Si2O5. A phase fraction ratio defined by Equation 1 of the lithium-silicon oxide particle is in a range from 0.55 to 1.0. Structural and chemical stability of the anode active materials for a lithium secondary battery may be improved and side reactions can be suppressed, thereby improving life-span properties.
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