Journal
RESEARCH ON CHEMICAL INTERMEDIATES
Volume 43, Issue 7, Pages 4095-4102Publisher
SPRINGER
DOI: 10.1007/s11164-017-2867-x
Keywords
Zeolite 13X; Zeolite-templated carbon; Electrospinning; Hydrogen storage
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Funding
- South African Department of Science and Technology (DST) [HTC004X]
- CSIR-Young Researcher Establishment Funds [HTC005P]
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The current study explored the application of the electrospinning technique to produce multi-hierarchical composites for hydrogen storage applications. Predetermined control of fibre porosity is expected to enable production of well-defined hierarchical pore structure. The study involved encapsulation of highly porous zeolite-templated carbon (ZTC) into electrospun fibres and testing of the resulting composites for hydrogen storage. The hydrogen storage capacity of the composite fibres was 1.83%, compared with 2.39 wt% for powder ZTC material. The potential of the electrospinning technique as a shaping option for preparing composites from loose powder is demonstrated. The ZTC-polyacrylonitrile (ZTC-PAN) composite retained about 76% of the hydrogen storage capacity of the ZTC. Vacuum degassing of the ZTC-PAN electrospun composite was also found to enhance the development of porosity, aiding hydrogen penetration into zeolite pores.
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