화학공학소재연구정보센터
학회 한국공업화학회
학술대회 2016년 가을 (10/26 ~ 10/28, 제주국제컨벤션센터(ICCJEJU))
권호 20권 2호
발표분야 에너지저장변환_포스터
제목 Electrochemical Performance of Silicon Nanoball Encapsulated with Graphene Shell for Anode Material of Li-ion Battery
초록 In this study, we prepared a silicon nanoball encapsulated with graphene shell(Si-GB) for the anode material to get a lithium ion battery with high stability and capacity.  For preparing Si-GB, electroless plating and CVD method were used. The Si-GB has a gap between the inner silicon core and the graphene shell, so that there is enough room for the volume change of silicon during charge and discharge. The morphology of Si-GB was observed by field emission scanning electron microscope (FESEM) and field emission transmission electron microscope (FETEM). Si-GB was investigated by Raman and X-ray Photoelectron Spectroscopy to identify graphene layer on the surface of the inner silicon core. The electrochemical performance of the Li-ion battery using Si-GB was investigated by battery cycler system and galvanostat system.
저자 김희진, 황태연, 강근원, 허훈
소속 한국생산기술(연)
키워드 graphene; silicon; encapsulate; CVD; battery
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