期刊
NEW CARBON MATERIALS
卷 26, 期 5, 页码 341-345出版社
ELSEVIER
DOI: 10.1016/S1872-5805(11)60086-3
关键词
Carbon foam; Carbon nanofiber; Catalyst support
资金
- National Natural Science Foundation of China [50730003, 50672025, 20806024, 51002051]
- Fundamental Research Funds for the Central Universities [WA1014016]
- Research Fund of China 863 Program [2008AA062302]
- National Science and Technology Ministry [2009BAE72B04]
A carbon foam was prepared by self-bubbling using mesophase pitch as a precursor. To improve its specific surface area, the carbon foam was oxidized with 65 mass% HNO3 and then a layer of carbon nanofibers (CNFs) was grown on the pore walls using chemical vapor deposition. The specific surface area and thermal conductivity of the carbon foam and CNF/carbon foam composite are 40 and 198 m(2)/g and 107 and 125 W/mK, respectively. This CNF/carbon-foam composite can be used as a catalyst support for gas-phase catalytic reactions.
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