期刊
CARBON
卷 88, 期 -, 页码 70-85出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.carbon.2015.02.069
关键词
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资金
- CPER Structuration du Pale de Competitivite Fibres Grand'Est (Competitiveness Fibre Cluster) through local (Conseil General des Vosges)
- CPER Structuration du Pale de Competitivite Fibres Grand'Est (Competitiveness Fibre Cluster) through regional (Region Lorraine)
- CPER Structuration du Pale de Competitivite Fibres Grand'Est (Competitiveness Fibre Cluster) through national (DRRT)
- CPER Structuration du Pale de Competitivite Fibres Grand'Est (Competitiveness Fibre Cluster) through national (FNADT)
- European (FEDER) funds
- Belarus-CNRS project BRFFI [F13F-004]
- [FP7-PEOPLE-2013-IRSES-610875]
The first carbon periodic cellular architectures derived from 3D printing, in the form of new tetrakaidecahedra meshes, are reported and investigated in this paper. They were prepared in hydrothermal conditions by a template method based on polymer periodic structures of the same geometry, and fabricated by a 3D printer using photocurable resin. Several formulations based on resorcinol-formaldehyde were tested, and the best ones were those using low concentrations of resorcinol at 150 degrees C in a pressurised solution of nickel nitrate. After pyrolysis at 1000 degrees C, catalytic graphitisation was demonstrated by TEM, XRD and Raman studies. The higher was the amount of nickel, the higher was the resultant graphitisation level. Mechanical tests were also carried out on such extremely lightweight periodic carbon structures, showing that these new materials present a much higher modulus than carbon foams of similar bulk densities. (c) 2015 Elsevier Ltd. All rights reserved.
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