HClO4–graphite intercalation compound and its thermally exfoliated graphite |
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| Authors: | Xing Hai Wei Lang Liu Jin Xi Zhang Jing Li Shi Quan Gui Guo |
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| Affiliation: | 1. Key Laboratory of Carbon Materials Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China;2. Graduate School of Chinese Academy of Science, Beijing 100039, China;1. Division of Materials Science and Engineering, Hanyang University, 17 Haengdang-dong, Seongdong-Gu, Seoul 133-791, Republic of Korea;2. Department of Chemistry, Hanyang University, 17 Haengdang-dong, Seongdong-Gu, Seoul 133-791, Republic of Korea;3. H&H Co. Ltd., Chungju National University, 50 Daehak-ro, Chungju-si, Chungbuk 330-702, Republic of Korea;4. School of Materials Science and Engineering, Inha University, Incheon 402-751, Republic of Korea;5. Faculty of Materials Technology, Ho Chi Minh City University of Technology, 268 Ly Thuong Kiet Street, Ward 14, District 10, HoChiMinh City, Viet Nam;6. Institute of Chemistry, Vietnam Academy of Science and Technology (VAST), 18 Hoang Quoc Viet, Caugiay, Hanoi, Viet Nam;1. Key Laboratory of Chemical Engineering Process & Technology for High-efficiency Conversion, College of Heilongjiang Province, Xuefu Road 74, Nangang District, Harbin 150080, PR China;2. Department of Environmental Science and Engineering, Heilongjiang University, Xuefu Road 74, Nangang District, Harbin 150080, PR China;3. State Key Laboratory of Urban Water Resources and Environment (SKLUWRE), Department of Environmental Science and Engineering, Harbin Institute of Technology, Huanghe Road 73, Nangang District, Harbin 150090, PR China;4. National Engineering Research Center of Urban Water Resource, Harbin Institute of Technology, Huanghe Road 73, Nangang District, Harbin 150090, PR China;1. Tokyo Institute of Technology, Department of Chemical Engineering, 2-12-1 O-okayama, Meguro, Tokyo, Japan;2. Doshisha University, Mechanical and System Engineering, 1-3 Tataramiyakodani, Kyotanabe, Kyoto, Japan |
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| Abstract: | The aims of this work are to synthesize the HClO4–graphite intercalation compound (GIC) by chemical method and analyze the effects of processing parameters on the exfoliated volume (EV) of HClO4–GIC and in the meantime, characterize the structural characteristics of HClO4–GIC and its exfoliated graphite by using X-ray diffraction. The experimental results show that the optimum condition for preparing the HClO4–GIC with the maximum EV of 540 cm3/g is that the intercalating reaction temperature, time, the thermally exfoliating temperature and the ratio between natural flake graphite, HClO4 and HNO3 are 373 K, 15 min, 1173 K and 1/4/0.15, respectively. The HClO4–GIC synthesized through the optimum processing condition has EV of 360 cm3/g at 473 K and the natural flake graphite also can be intercalated by HClO4 at low temperature 258 K in the system. |
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