Abstract
Effect of synthesis parameters on the characteristics of expanded graphite were studied. The starting sample, intercalated graphite, was treated by several methods: thermal shock (400, 1000°C) and programmed heating (400–700°C). The samples were examined by scanning electron microscopy, energy-dispersive spectroscopy, X-ray diffraction analysis, and low-temperature nitrogen adsorption. The programmed-heating method yields better texture characteristics as compared with the thermal shock. The programmed-heating method was used to obtain high-quality expanded graphite with high specific surface area (299 m2 g–1) at a comparatively moderate temperature of 400°C.
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Original Russian Text © Yu.P. Steksova, I.S. Berdyugina, A.A. Shibaev, A.V. Ukhina, E.A. Maksimovskii, M.V. Popov, A.G. Bannov, 2016, published in Zhurnal Prikladnoi Khimii, 2016, Vol. 89, No. 10, pp. 1265−1273.
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Steksova, Y.P., Berdyugina, I.S., Shibaev, A.A. et al. Effect of synthesis parameters on characteristics of expanded graphite. Russ J Appl Chem 89, 1588–1595 (2016). https://doi.org/10.1134/S1070427216100049
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DOI: https://doi.org/10.1134/S1070427216100049