Abstract
The aims of this work are to synthesize the HClO 4–graphite intercalation compound (GIC) by chemical method and analyze the effects of processing parameters on the exfoliated volume (EV) of HClO 4–GIC and in the meantime, characterize the structural characteristics of HClO 4–GIC and its exfoliated graphite by using X-ray diffraction. The experimental results show that the optimum condition for preparing the HClO 4–GIC with the maximum EV of 540 cm 3/g is that the intercalating reaction temperature, time, the thermally exfoliating temperature and the ratio between natural flake graphite, HClO 4 and HNO 3 are 373 K, 15 min, 1173 K and 1/4/0.15, respectively. The HClO 4–GIC synthesized through the optimum processing condition has EV of 360 cm 3/g at 473 K and the natural flake graphite also can be intercalated by HClO 4 at low temperature 258 K in the system.
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