Birch, Stewart, Kolasch & Birch, LLP
Negative electrode active material, method of preparing the same, negative electrode including the same and lithium secondary battery including the same
The present invention relates to a negative electrode active material including a secondary particle in which primary particles are aggregated, wherein the primary particle includes: a core including one or more of silicon and a silicon compound; and a surface layer which is disposed on a surface of the core and contains carbon, wherein an average particle size D50 of the core is in a range of 0.5 μm to 20 μm, a method of preparing the same, an electrode including the same, and a lithium secondary battery including the same.
LG CHEM, LTD.
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Jung Hyun Yong Ju Eun Kyung
Choi Lee Kim