Sk on Co., Ltd.

Sk Innovation Co., Ltd.

Joon Hyung Moon

Ju Ho Chung

Gwi Ok Park

Eun Jun Park

Seok Keun Yoo

Jae Young Choi

Jung Hyun Yun

Do Ae Yu

Young Mo Yang

An anode active material for a lithium secondary battery and a lithium secondary battery including the same are provided. The anode active material includes a plurality of composite particles, each composite particle including a silicon-based active material particle including silicon; and a carbon coating layer formed on at least a portion of a surface of the silicon-based active material particle, wherein a relative standard deviation of G/Si peak intensity ratios of a Raman spectrum as defined in Equation 1 measured for each of 50 different composite particles among the plurality of composite particles is 50% or less.

Anode active material for a lithium secondary battery, method of preparing the same and lithium secondary battery including the same

Provided is a negative electrode active material for a secondary battery including a core-shell composite including: a core including a silicon oxide (SiO, 0<x≤2) and a metal silicate in at least a part of the silicon oxide; and a shell including a metal-substituted organic compound, wherein the metal of the metal silicate and the substituted metal of the organic compound are independent of each other, wherein each of the metal of the metal silicate and the substituted metal of the organic compound includes an alkali metal or an alkaline earth metal.

Negative electrode active material for secondary battery and method of manufacturing the same

Growing community of inventors

Daejeon, South Korea

Joon Hyung Moon