NEGATIVE ELECTRODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY COMPRISING SILICON OXIDE COMPOSITE AND MANUFACTURING METHOD THEREOF

The present disclosure relates to a negative electrode active material for non-aqueous electrolyte secondary battery, and a negative electrode active material for non-aqueous electrolyte secondary battery according to an embodiment of the present disclosure comprises a silicon oxide composite comprising silicon, silicon oxide (SiO, 0