Enhanced anode performance of micro/meso-porous reduced graphene oxide prepared from carbide-derived carbon for energy storage devices |
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| Affiliation: | 1. Korea Institute of Energy Research, 102, Gajeong-ro, Yuseong, Daejeon 305-343, Republic of Korea;2. Department of Chemical and Biomolecular Engineering, KAIST, 373-1 Guseong-dong, Yuseonggu, Daejeon 305-701, Republic of Korea;3. Department of Chemical Engineering, College of Engineering, Sungkunkwan University, 2066, Seobu-ro, Jangan-gu, Suwon-si, Gyeonggi-do 440-746, Republic of Korea;4. Department of Chemical Engineering, University of Waterloo, 200 University Ave W., Waterloo, ON N2L3G1, Canada;5. Agency for Defense Development, Yuseong, P. O. Box 35-4, Daejeon 305-600, Republic of Korea;1. Division of Industrial Metrology, Korea Research Institute of Science and Standards, Daejeon, Republic of Korea;2. Department of Nano Science, University of Science and Technology, Daejeon, Republic of Korea;3. Department of Advanced Materials Science and Engineering, Kumoh National Institute of Technology, Gumi, Gyeongbuk, Republic of Korea;1. Key Laboratory of Optoelectronic Functional Materials, Chongqing Normal University, Chongqing 400030, People׳s Republic of China;2. Research Institute for New Materials Technology, Chongqing University of Arts and Sciences, Chongqing 402160, People׳s Republic of China;3. Department of Applied Physics, Chongqing University, Chongqing 400044, People׳s Republic of China;1. Department of Electronic Science, University of Calcutta, 92, A.P.C. Road, Kolkata, 700009, India;2. Department of Electronics, The Bhawanipur Education Society College, Kolkata, 700020, India;1. School of Materials Science & Engineering, Beijing Key Laboratory of Environmental Science and Engineering, Beijing Institute of Technology, Beijing 100081, China;2. Collaborative Innovation Center of Electric Vehicles in Beijing, Beijing 100081, China |
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| Abstract: | Micro/meso-porous reduced graphite oxide (MMRGO) nanosheets were produced using precursor carbide-derived carbon (CDC), which was produced at a high temperature of 1200 °C, through a massive wet chemistry synthetic route involving graphite oxidation and microwave reduction. X-ray diffraction (XRD) and transmission electron microscopy (TEM) show that the MMRGO nanosheets were fabricated with 2–3 layers and ripple-like corrugations. N2 sorption isotherms confirmed that micro/meso-pores coexisted in the RGO sample from CDC. In the anode application of Li-ion batteries, this RGO sample had an enhanced capacity performance at the 0.1 C rate and 1 C rate, with ∼1200 mAh g−1 at the 100th cycle and ∼1000 mAh g−1 at the 200th cycle, respectively. |
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