SILICON-BASED ANODE ACTIVE MATERIAL, METHOD FOR PREPARING SILICON-BASED ANODE ACTIVE MATERIAL, ANODE COMPRISING SILICON-BASED ANODE ACTIVE MATERIAL, AND SECONDARY BATTERY COMPRISING ANODE

The present invention relates to a silicon-based negative electrode active material that includes a core containing silicon particles and cetyltrimethylammonium disposed on a surface of the silicon particles, and MXene disposed on the core and including a hydroxyl group on a surface thereof, a method of preparing the silicon-based negative electrode active material, a negative electrode including the silicon-based negative electrode active material, and a secondary battery including the negative electrode.