Carbon Letters

, Volume 29, Issue 1, pp 81–87 | Cite as

Exfoliated graphene nanosheets as high-power anodes for lithium-ion batteries

  • Duc-Luong Vu
  • Yeon Ju Kwon
  • Soon Chang Lee
  • Jea Uk LeeEmail author
  • Jae-Won LeeEmail author
Original Article


High-quality and solution processable graphene sheets are produced by a simple electrochemical exfoliation method and employed as a high-power anode for lithium-ion batteries (LIBs). The electrochemically exfoliated graphene (EEG) composed of a few layers of graphene sheets, have low oxygen content and high C/O ratio (~ 14.9). The LIBs with EEG anode exhibit ultrafast lithium storage and excellent cycling stability, but low initial efficiency. The excellent rate capability and cycling stability are attributed to the favorable structural and chemical properties of the EEG, but the large irreversibility needs to be overcome for practical applications.


Graphene Electrochemical exfoliation Anode material Lithium-ion battery Coulombic efficiency 



This research was supported by the Ministry of Trade, Industry and Energy (MOTIE), Korea Institute for Advancement of Technology (KIAT) through the Encouragement Program for The Industries of Economic Cooperation Region (R0004911).


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Copyright information

© Korean Carbon Society 2019

Authors and Affiliations

  1. 1.Department of Energy EngineeringDankook UniversityCheonanRepublic of Korea
  2. 2.Carbon Industry Frontier Research CenterKorea Research Institute of Chemical Technology (KRICT)DaejeonRepublic of Korea
  3. 3.Department of Chemical Engineering and Applied ChemistryChungnam National UniversityDaejeonRepublic of Korea

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