화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Korean Journal of Chemical Engineering, Vol.28, No.11, 2202-2205, November, 2011
DOI10.1007/s11814-011-0102-9  Export Citation
The effect of graphene nanosheets as an additive for anode materials in lithium ion batteries
Jae Hun Jeong, Dong-Won Jung, Byung-Sun Kong1, Cheol Min Shin2, and Eun-Suok Oh†
  • School of Chemical Engineering & Bioengineering, University of Ulsan, Daehak-ro 102, Nam-gu, Ulsan 680-749, Korea
  • 1KCC Central Research Institute, 83 Mabook-dong, Giheung-gu, Yongin, Gyeonggi-do 446-912, Korea
  • 2Research Center, N-Baro Tech Co., 974-1 Goyeon-ri, Ungchon-myon, Ulju-gun, Ulsan 689-871, Korea
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A small amount of graphene nanosheets was added to commercial graphite as an anode active material in lithium ion batteries and its effects were examined through a variety of physical and electrochemical characterization techniques: FE-SEM, XRD, Raman, BET, and EIS. Compared to a commercial graphite electrode, a composite electrode containing 1 or 5 wt% graphene nanosheets showed higher reversible capacity and enhanced cyclability. This was attributed to the large surface area and low charge transfer resistance of the graphene nanosheets.
Keywords:Lithium Ion Batteries;Anode Active Materials;Graphene Nanosheets;Composite Electrodes
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