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제114회 대한화학회 학술발표회, 총회 및 기기전시회 안내 Studies on the effect of ordered mesoporous carbon support structure on Na/SO2 battery

등록일
2014년 8월 28일 16시 52분 10초
접수번호
1314
발표코드
MAT.P-1154 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간
10월 15일 (수요일) 16:00~19:00
발표형식
포스터
발표분야
재료화학
저자 및
공동저자
이창현, LICHENGBIN, JINXING, 김지만*
성균관대학교 화학과, Korea
Sodium based batteries are one possible alternative to the lithium-ion battery due to the low cost and comparatively higher natural abundance of sodium, particularly with regard to large-scale applications. In this study, we suggest that Na/SO2 battery is made up of an inorganic electrolyte, sodium as the anode and carbon materials as the cathode. For a lithium ion battery, the risk of explosion is due to the use of organic electrolyte with vulnerable to heat and the oxide anode materials causing a decomposition reaction of oxygen at high temperatures. For a Na/SO2 battery, whereas it is more safety due to this system was used a nonflammable inorganic electrolyte and the carbon materials instead of the oxide cathode materials. After discharge, the particle such as sodium chlroride (NaCl) is generated at the cathode and it has been caused a problem in the safety of the electrode and a reversible reaction. To solve this problem, we were synthesized the ordered mesoporous carbons (CMK8, CMK3) with high surface area by using impregnation and synthesized materials were introduced into the cathode material. The as-synthesized ordered mesoporous carbons were characterized by X-ray diffraction (XRD), Nitrogen-sorption isotherm and scanning electron microscope (SEM), and electrochemical properties were analyzed by charge-discharge profile, cycle performance.

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