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Electrospun Poly(vinylidene fluoride)-based Carbon Nanofibers for Hydrogen Storage

Published online by Cambridge University Press:  01 February 2011

H. J. Chung ,
D. W. Lee ,
S. M. Jo ,
D. Y. Kim  and
W. S. Lee
H. J. Chung
Affiliation:
Department of Chemical Engineering, University of Seoul, Jeonnong-Dong, Dongdeamun-Gu, Seoul 130–743, Republic of Korea
D. W. Lee
Affiliation:
Department of Chemical Engineering, University of Seoul, Jeonnong-Dong, Dongdeamun-Gu, Seoul 130–743, Republic of Korea
S. M. Jo
Affiliation:
Polymer Hybrid Research Center, Korea Institute of Science and Technology, 39–1, Hawolgok dong, Seongbuk-gu, Seoul 136–791, Republic of Korea
D. Y. Kim
Affiliation:
Polymer Hybrid Research Center, Korea Institute of Science and Technology, 39–1, Hawolgok dong, Seongbuk-gu, Seoul 136–791, Republic of Korea
W. S. Lee
Affiliation:
Polymer Hybrid Research Center, Korea Institute of Science and Technology, 39–1, Hawolgok dong, Seongbuk-gu, Seoul 136–791, Republic of Korea
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Abstract

Poly(vinylidene fluoride) (PVdF) fine fiber of 200–300 nm in diameter was prepared through the electrospinning process. Dehydrofluorination of PVdF-based fibers for making infusible fiber was carried out using DBU, and the infusible PVdF-based nanofibers were then carbonized at 900–1800°C. The structural properties and morphologies of the resulting carbon nanofibers were investigated using XRD, Raman IR, SEM, TEM, and surface area & pore analysis. The PVdF-based carbon nanofibers had rough surfaces composed of 20-to 30-nm granular carbons, indicating their high surface area in the range of 400–970 m2/g. They showed amorphous structures. In the case of the highly ehydrofluorinated PVdF fiber, the resulting carbon fiber had a smoother surface, with d002 = 0.34–0.36 nm, and a very low surface area of 16–33 m2/g. The hydrogen storage capacities of the above carbon nano-fibers were measured, using the gravimetric method, by magnetic suspension balance (MSB), at room temperature and at 100 bars. The storage data were obtained after the buoyancy correction. The PVdF-based microporous carbon nanofibers showed a hydrogen storage capacity of 0.04–0.4 wt%. The hydrogen storage capacity depended on the dehydrofluorination of the PVdF nanofiber precursor, and on the carbonization temperatures.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 837: Symposium N – Materials for Hydrogen Storage – 2004 , 2004 , N3.15
Copyright
Copyright © Materials Research Society 2005

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References

REFERENCES

1. Dillon, A.C., Jones, K.M., Bekke-dahl, T.A., Kiang, H., Bethune, D.S., and Heben, M.J., Nature, 386, 377 (1997).Google Scholar
2. Liu, , Science, 286, 1127 (1999).Google Scholar
3. Zhu, H., Cao, A., Li, X., Xu, C., Mao, Z., Ruan, D., Liang, J., and Wu, D., Applied Surface Science, 178, 50 (2001).Google Scholar
4. Ye, Y., Ahn, C.C., Witham, C., Fultz, B., Liu, J., Rinzler, A.G., Colbert, D., Smith, K.A., and Smalley, R. E., Appl. Phys. Lett., 74(16), 2307 (1999).Google Scholar
5. Nijkamp, M.G., Raaymakers, J.E.M.J., Van Dillen, A. J., De Jong, K. P., Appl. Physd., A72, 619 (2001).Google Scholar
6. Chahine, R. and Bose, T. K., Int. Hydrogene Energy, 19, 161 (1994).Google Scholar
7. Yamashita, J., Shioya, M., Kikutani, T., and Hashimoto, T., Carbon, 39, 207 (2001).Google Scholar