Journal
ENERGY
Volume 38, Issue 1, Pages 144-150Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.energy.2011.12.021
Keywords
PVDF/CoCl2/Y-zeolite; Composite nanofiber; Co-electrospinning; Hydrogen
Categories
Funding
- Basic Science Research Program [2010-0010353]
- Priority Research Centers through the National Research Foundation of Korea (NRF) [2010-0028300]
- Ministry of Education, Science and Technology
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Hydrogen production from NaBH4 hydrolysis is very important for environment-friendly fuel cells. Here Y-zeolite/CoCl2 doped PVDF (Polyvinylidene fluoride) composite nanofibers were prepared by co-electrospinning method and successfully applied into hydrogen production from NaBH4 hydrolysis. The effect of Y-zeolite doping on properties of composite nanofibers was investigated in detail. SEM, EDX (Energy-dispersive X-ray spectroscopy) and FT-IR characterization showed that nanosized crystalline Y-zeolite can be doped into the bulk of composite nanofiber and high-quality composite nanofiber with fine morphologies can be obtained. The doping of Y-zeolite can improve the wetting ability of PVDF-based nanofiber and thus help to the diffusion rate of reactants. This Y-zeolite/CoCl2 doped electro-spun nanofiber as catalyst were applied into hydrogen production from NaBH4 hydrolysis and exhibits higher catalytic activity compared with that without Y-zeolite doping due to its improved surface hydrophilicity. Meanwhile, this composite nanofiber catalyst shows relatively good stability in hydrogen production without obvious loss of Y-zeolite. (C) 2011 Elsevier Ltd. All rights reserved.
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