Carbon nanofiber aerogel as well as preparation method and application thereof
A carbon nanofiber and aerogel technology, which is applied in the field of nanomaterials to achieve the effects of good lipophilicity, cheap and easy-to-obtain raw materials, and convenient storage and transportation.
Active Publication Date: 2013-04-03
UNIV OF SCI & TECH OF CHINA
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The invention provides a carbon nanofiber aerogel as well as a preparation method and the application of the carbon nanofiber aerogel. The method comprises the following steps: a), obtaining neutral bacterial cellulose blocks by soaking bacterial cellulose blocks into deionized water for deacidification; b), using liquid nitrogen to refrigerate the neutral bacterial cellulose blocks and drying in a freeze dryer to obtain a bacterial cellulose aerogel; and c), warming the bacterial cellulose aerogel and performing high-temperature pyrolysis to obtain the carbon nanofiber aerogel. The preparation method for the carbon nanofiber aerogel, provided by the invention, is simple, feasible and good in repeatability, and the raw material is cheap and easy to obtain, so that large-scale preparation can be realized easily; the carbon nanofiber aerogel prepared by the invention has good lipophilicity and facilitates adsorbing raw oil and chemical reagent during raw oil pollution and chemical reagent leakage; and in addition, as the carbon nanofiber aerogel has electrical conductivity and elasticity, the carbon nanofiber aerogel can be further used for preparing a pressure sensor.
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Property | Measurement | Unit |
Density | 4.0 ~ 6.0 | mg/cm³ |
Diameter | 10.0 ~ 20.0 | nm |
tensile | MPa | |
Particle size | Pa | |
strength | 10 |
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