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  • 09월 04일 17시 이후 : 초록수정 불가능, 일정확인 및 검색만 가능

제114회 대한화학회 학술발표회, 총회 및 기기전시회 안내 Synthesis and Characterization of Si-CNFs composites by Chemical Vapor Depositon based on Ni-Cu catalysts

등록일
2014년 9월 3일 16시 05분 33초
접수번호
1445
발표코드
ANAL.P-583 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간
10월 15일 (수요일) 16:00~19:00
발표형식
포스터
발표분야
분석화학
저자 및
공동저자
김민선, 박희구1, 이창섭*
계명대학교 화학과, Korea
1계명대학교 화학시스템공학과, Korea
Carbon based materials have been attracted and studied in the field of Li secondary battery, because of chemical stability and conductivity properties. Many researchers have attempted to enhance the efficiency of Li secondary battery. In this study, we have synthesized carbon nanofibers(CNFs) and Si-CNFs composites by Chemical Vapor Deposition(CVD) using Ni and Cu co-catalysts. First of all, we synthesized catalysts by co-precipitation method using Ni and Cu nitrates. Carbon nanofibers have then been synthesized by Chemical Vapor Deposition using Ni and Cu catalysts (according to molar ratio of Ni and Cu). Finally, we have also prepared Si-CNF composites by CVD method, after we have mixed catalysts (molar ratio of Ni and Cu was 8:2) with Si particles using ball milling. The physicochemical properties of the grown carbon nanofibers were investigated with Scanning electron microscopy(SEM), Energy dispersive spectroscopy(EDS), X-ray Diffraction(XRD), BET, Raman spectroscopy, and X-ray photoelectron spectroscopy(XPS). The electrochemical properties and the capacitance of the anodic materials, fabricated with CNFs and Si-CNFs composite in Li secondary batteries, were investigated by galvanostatic charge-discharge and cyclic voltammetry.

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