Desorption Studies on Hydrogenated Single Walled Carbon Nanotubes Functionalized with Borane (BH₃)

Abstract:

In this work, desorption of hydrogen from hydrogenated single walled carbon nanotubes (SWCNTs) functionalized with borane is discussed. A hydrogen storage medium based on SWCNTs functionalized with borane is designed. The SWCNTs are functionalized with borane (BH₃) using LiBH₄ as the precursor by solution cast method. The functionalized samples are hydrogenated. A storage capacity of 1.5 wt.% is obtained just above room temperature (50°C). The hydrogenated and dehydrogenated samples are characterized using FTIR and Raman studies. The thermogravimetry/differential thermal analysis (TG/DTA) results reveal that the entire amount of (1.5 wt.%) stored hydrogen is released in the temperature range 100 - 150°C. This temperature range is suitable for hydrogen fuel cells used for vehicular applications.

• Periodical: Advanced Materials Research (Volume 678)
• Pages: 185-188
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.678.185
• Online since: March 2013
• Authors: Duraisamy Silambarasan, Velappa Jayaraman Surya, Veerapandy Vasu, Kombiah Iyakutti
• Keywords: Borane, Carbon Nanotube (CN), Desorption, Hydrogen

References

[1] A.L.M. Reddy and S. Ramaprabhu, Hydrogen adsorption properties of single-walled carbon nanotube-Nanocrystalline platinum composites, Int. J. Hydrogen Energy 33 (2008) 1028-1034.

DOI: 10.1016/j.ijhydene.2007.11.005

[2] V.J. Surya, K. Iyakutti, M. Rajarajeswari and Y. Kawazoe, Functionalization of single-walled nanotube with borane for hydrogen storage, Physica E 41 (2009) 1340-1346.

DOI: 10.1016/j.physe.2009.03.007

[3] D. Silambarasan, V.J. Surya, V. Vasu and K. Iyakutti, Experimental investigation of hydrogen storage in single walled carbon nanotubes functionalized with borane, Int. J. hydrogen energy 36 (2011) 3574-3579.

DOI: 10.1016/j.ijhydene.2010.12.028

[4] H. Lee, Y. Kang, S. Kim and Y. Lee, Hydrogen desorption properties of multiwall carbon nanotubes with closed and open structures, Appl. Phys. Lett. 80 (2002) 577-579.

DOI: 10.1063/1.1446208

[5] S. Yamanaka, M. Fujikane, M. Unoa, H. Murakamib and O. Miura, Hydrogen content and desorption of carbon nano-structures, Journal of Alloys and Compounds 366 (2004) 264–268.

DOI: 10.1016/s0925-8388(03)00694-7

[6] S.S. Han, H.S. Kim, K.S. Han, J.Y. Lee, H.M. Lee and J.K. Kang, Nanopores of carbon nanotubes as practical hydrogen storage media, Appl. Phys. Lett. 87 (2005) 213113 (3 pp).

DOI: 10.1063/1.2133928

[7] Wu, X.M. Wang, Y. Dong, K.M. Zhou, J.M. Lin, G.D. Zhang and H. Bin, Study of Storage and Adsorption/Desorption Characteristics of H2 on MWCNTs Modified by Metal Potassium, Acta Chim Sinica 63 (2005) 484-490.

[8] G. Zhang, P. Qi, X. Wang, Y. Lu, D. Mann, X. Li and H. Dai, Hydrogenation and Hydrocarbonation and Etching of Single-Walled Carbon Nanotubes, J. Am. Chem. Soc. 128 (2006) 6026-6027.

DOI: 10.1021/ja061324b

[9] J.W. Lee, H.S. Kim, J.Y. Lee and J.K. Kanga, Hydrogen storage and desorption properties of Ni-dispersed carbon nanotubes, Appl. Phys. Lett. 88 (2006) 143126 (3 pp). 4

[10] G.E. Ioannatos and X.E. Verykios, H2 storage on single- and multi-walled carbon nanotubes, Int. J. Hydrogen Energy 35 (2010) 622-628.

DOI: 10.1016/j.ijhydene.2009.11.029