METHOD FOR SYNTHESIS OF CARBON MATERIALS USING WASTE PLASTIC AND LITHIUM SECONDARY BATTERY ANODE MATERIALS BY THE SAME

• Main Authors: IM JI SUN, KIM MIN IL, KIM JI HONG, KIM KYEONG SOO, HWANG JIN UNG, CHO JONG HOON, BAI BYONG CHOL
• Format: Patent
• Language: English; Korean
• Published: 15.05.2019
• Subjects: BASIC ELECTRIC ELEMENTS; CHEMISTRY; COMPOUNDS THEREOF; ELECTRICITY; FUELS; INORGANIC CHEMISTRY; LUBRICANTS; METALLURGY; NON-METALLIC ELEMENTS; PEAT; PETROLEUM, GAS OR COKE INDUSTRIES; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY; PYROLIGNEOUS ACID; TECHNICAL GASES CONTAINING CARBON MONOXIDE; WORKING-UP PITCH, ASPHALT, BITUMEN, TAR

The present invention relates to a method for manufacturing a carbon material for a secondary battery negative electrode having excellent electrochemical performance, and a negative electrode material for a secondary battery manufactured thereby. The method of the present invention comprises the steps of: manufacturing a pitch; manufacturing a coke; and carbonizing the coke. 석유계 잔사유 및 폐플라스틱을 혼합하여 피치를 제조하는 단계; 상기 피치를 코크스화하여 코크스를 제조하는 단계; 및 상기 코크스를 탄화하는 단계;를 포함하는 이차전지 음극용 탄소소재의 제조방법이 개시된다.