Ulsan National Institute of Science and Technology

Sk on Co., Ltd.

Sk Innovation Co., Ltd.

Yoon Kwang Lee

Jae Phil Cho

Jee Hee Lee

Joon Sup Kim

Nam Hyung Kim

Yeong Uk Son

Joon-Sup Kim

Eunjun Park

Jaekyung Sung

Tae Yong Lee

Provided are a negative electrode active material including a three-dimensional composite. The three-dimensional composite includes secondary particles containing a silicon carbide-based (SiCx, 0<x≤1) nanosheet having a bent portion and amorphous carbon. Also provided are a method of producing the same, and a negative electrode and a lithium secondary battery including the negative electrode active material.

Composite negative electrode active material, method of producing the same, and negative electrode and lithium secondary battery including the same

Provided are an anode active material for a lithium secondary battery, a method of preparing the same, and a lithium secondary battery containing the same. The present invention provides an anode active material for a lithium secondary battery including: a carbon based particle; a first carbon coating layer positioned on the carbon based particle and including pores; a silicon coating layer positioned on the pores and/or a pore-free surface of the first carbon coating layer; and second carbon coating layer positioned on the silicon coating layer, a method of preparing the same, and a lithium secondary battery containing the same.

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

Growing community of inventors

Ulsan, South Korea

Yoon Kwang Lee