Magnetic Measurements as a Sensitive Tool for Studying Dehydrogenation Processes in Hydrogen Storage Materials

descriptionPublicationkeyboard_double_arrow_right Article 01 Sep 2010 Germany English Publisher:American Chemical Society (ACS)Journal:The Journal of Physical Chemistry C, volume 114, pages 16,818-16,822 (issn: 1932-7447, eissn: 1932-7455,

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Authors: Menendez, E.; Garroni, S.; Lopez Ortega, A.; Estrader, M.; Liedke, M. O.; Fassbender, J.; Solsona, P.; +3 Authors

doi: 10.1021/jp105631z

handle: 10261/48746

Magnetic Measurements as a Sensitive Tool for Studying Dehydrogenation Processes in Hydrogen Storage Materials

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Abstract

This work has been partially financed by the 2009-SGR-1292 and MAT2007-66302-C02 research projects. E.M. thanks the Fund for Scientific ResearchsFlanders (FWO) for financial support and V. Vanhooren, S. Enzo, and M. Baricco for fruitful discussions. S.G. is indebted to the European Commission for the support through the MRTNContract “Complex Solid State Reactions for Energy Efficient Hydrogen Storage” (MRTN-CT-2006-035366). A.L.-O. acknowledges his FPI fellowship from the Spanish MICINN, cofinanced by the ESF. M.D.B. was partially supported by an ICREA ACADEMIA award.

Magnetic characterization is shown to be a highly effective, nondestructive, and commonly available method to accurately assess dehydrogenation temperatures and further clarify the reaction mechanisms during dehydrogenation in systems with superconducting or ferromagnetic constituents. As examples, the dehydrogenation temperature of NaBH4 in a nanostructured NaBH4/MgH2 system and the dehydrogenation process of nanostructured Mg2CoH5, based on the superconducting and ferromagnetic properties of MgB2 and Co, respectively, are determined.

5 páginas, 4 figuras.-- et al.

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Country

Germany

Related Organizations

KU Leuven
Belgium
Autonomous University of Barcelona
Spain
Helmholtz-Zentrum Dresden-Rossendorf
Germany

Keywords

ball-milling, nanocrystals, superconductivity, SQUID, hydrogen storage

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