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Enhanced hydrogen sorption capacities and kinetics of Mg2Ni alloys by ball-milling with carbon and Pd coating

Published online by Cambridge University Press:  31 January 2011

R. Janot
Affiliation:
Laboratoire de Réactivité et Chimie des Solides, Unité Mixte de Recherche (UMR) 6007, Université de Picardie, 33 rue St. Leu, 80039 Amiens, France
L. Aymard
Affiliation:
Laboratoire de Réactivité et Chimie des Solides, Unité Mixte de Recherche (UMR) 6007, Université de Picardie, 33 rue St. Leu, 80039 Amiens, France
A. Rougier
Affiliation:
Laboratoire de Réactivité et Chimie des Solides, Unité Mixte de Recherche (UMR) 6007, Université de Picardie, 33 rue St. Leu, 80039 Amiens, France
G. A. Nazri
Affiliation:
R&D, General Motors, Warren, Michigan 48090
J. M. Tarascon
Affiliation:
Laboratoire de Réactivité et Chimie des Solides, Unité Mixte de Recherche (UMR) 6007, Université de Picardie, 33 rue St. Leu, 80039 Amiens, France
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Abstract

Solid-state hydrogen storage alloys are becoming a practical method to transport and utilize hydrogen as fuel for various technologies. In this paper, the kinetics and capacity of hydrogen desorption from Mg-based alloys have markedly been enhanced by tuning the surface composition of alloy particles. Mg2Ni–Ct, x composites (where t refers to the pregrinding time and x to the Brunauer–Emmet–Teller specific surface area) were prepared by ball-milling the alloy in the presence of preground graphite, and Pd-coated Mg2Ni alloy powders were obtained by controlled chemical deposition of Pd on the alloy surface. We have found that the optimization of the pregrinding step of carbon is a determinant factor in enhancing the hydrogen desorption capacity of the Mg2Ni–10 wt.% C10,320 composites to 2.6 wt.% at 150 °C, the maximum performance so far reported on desorption for Mg-based alloys. Such value can even be raised to 2.8 wt.% by applying Pd deposition on the composite.

Type
Rapid Communications
Copyright
Copyright © Materials Research Society 2003

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References

REFERENCES

Reilly, J.J. and Wiswall, R.H., Inorg. Chem. 7, 2254 (1968).Google Scholar
Akiba, E., Nomura, K., Ono, S., and Suda, S., Int. J. Hydrogen Energy 7, 787 (1982).Google Scholar
Kohno, T. and Kanda, M., J. Electrochem. Soc. 144, 2384 (1997).Google Scholar
Zhang, Y., Yang, H., Yuan, H., Yang, E., Zhou, Z., and Song, D., J. Alloy. Compd. 269, 278 (1998).CrossRefGoogle Scholar
Orimo, S. and Fujii, H., Appl. Phys. A 72, 167 (2001).Google Scholar
Nohara, S., Inoue, H., Fukumoto, Y., and Iwakura, C., J. Alloy. Compd. 252, L16 (1997).Google Scholar
Iwakura, C., Inoue, H., Zhang, S., Yorimitsu, K., Kuramoto, N., and Morikawa, T., J. Electrochem. Soc. 146, 1659 (1999).CrossRefGoogle Scholar
Bouaricha, S., Dodelet, J.P., Guay, D., Huot, J., and Schulz, R., J. Alloy. Compd. 325, 245 (2001).CrossRefGoogle Scholar
Zaluski, L., Zaluska, A., Tessier, P., and Ström-Olsen, J.O., J. Alloy. Compd. 217, 295 (1995).Google Scholar
Bouaricha, S., Dodelet, J.P., Guay, D., Huot, J., Boily, S., and Schulz, R., J. Alloy. Compd. 307, 226 (2000).Google Scholar
Ruggeri, S., Roué, L., Liang, G., Huot, J., and Schulz, R., J. Alloy. Compd. 343, 170 (2002).CrossRefGoogle Scholar
Aymard, L., Lenain, C., Courvoisier, L., Salver-Disma, F., Tarascon, J.M., J. Electrochem. Soc. 146, 2015 (1999).CrossRefGoogle Scholar
Bonet, F., Delmas, V., Grugeon, S., Herrera-Urbina, R., Silvert, P.Y., Tekaia-Elsissen, K., Tarascon, J.M., Nanostructured Mater. 11, 1277 (1999).CrossRefGoogle Scholar
Hegde, M.S., Larcher, D., Dupont, L., Beaudoin, B., Tekaia-Elhsissen, K., Tarascon, J.M., Solid State Ionics 93, 33 (1996).Google Scholar
Janot, R., Rougier, A., Aymard, L., Lenain, C., Herrera-Urbina, R., Nazri, G.A., and Tarascon, J.M., MH 2002 International Symposium-Annecy, J. Alloy. Compd. (in press).Google Scholar