TIN OXIDE EMBEDDED CARBON NANOFIBER AND METHOD OF MANUFACTURING THE SAME, AND LITHIUM SECONDARY BATTERY USING THE SAME

摘要

PURPOSE: A tin oxide-containing carbon nanofiber and a method for fabricating the same are provided to properly regulate tin oxide size and fiber diameter. CONSTITUTION: A method for fabricating tin oxide-containing carbon nanofiber comprises: a step of adding tin precursors to carbon fiber precursors to prepare a fiber precursor composition; a step of spinning the fiber precursor composition to obtain fiber; a step of performing thermal treatment of the fiber at 220-300°C by 0.1-10°C/minute and performing at 0.5-5 hours at maximum temperature; and a step of carbonizing and activating the fiber. The fiber precursor composition further contains polyvinylpyrrolidone resin.