Facile large-scale synthesis of three-dimensional graphene-like ordered microporous carbon via ethylene carbonization in CaX zeolite template

Recently, our laboratory has developed a zeolite-templated synthesis route to microporous three-dimensional (3D) graphene-like carbons via lanthanum-catalyzed carbonization of ethylene. In the present work, we optimized the ethylene carbonization conditions for a zeolite X template, using an inexpensive Ca2+-ion catalyst instead of La3+-ion catalyst. This synthesis gave a high carbon yield based on the template pore volume, and exhibited no significant amount of carbon deposition on the external surfaces. Single crystal X-ray diffraction analysis indicated that the carbon had 3D graphene-or nanotube-like frameworks along the surface of the zeolite pore walls, similar to the case of La3+ catalyst. With a 70-g batch of carbon synthesis, we demonstrated the potential of this synthesis route for large-scale production that would bring about a wide range of practical applications. (C) 2017 Elsevier Ltd. All rights reserved.
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Issue Date
2017-07
Language
English
Keywords

HIGH-SURFACE-AREA; POROUS CARBON; ADSORPTION; STORAGE; COMPOSITES; FAUJASITE; CRYSTALS; METHANE; NMR

Citation

CARBON, v.118, pp.517 - 523

ISSN
0008-6223
DOI
10.1016/j.carbon.2017.03.082
URI
http://hdl.handle.net/10203/224029
Appears in Collection
CH-Journal Papers(저널논문)
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