An optical method to determine the thermodynamics of hydrogen absorption and desorption in metals

R.F.A. Gremaud, M.J. Slaman, H. Schreuders, B. Dam, R.P. Griessen

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Abstract

Hydrogenography, an optical high-throughput combinatorial technique to find hydrogen storage materials, has so far been applied only to materials undergoing a metal-to-semiconductor transition during hydrogenation. We show here that this technique works equally well for metallic hydrides. Additionally, we find that the thermodynamic data obtained optically on thin Pd-H films agree very well with Pd-H bulk data. This confirms that hydrogenography is a valuable general method to determine the relevant parameters for hydrogen storage in metal hydrides. © 2007 American Institute of Physics.
Original languageEnglish
Article number231916
JournalApplied Physics Letters
Volume91
Issue number23
DOIs
Publication statusPublished - 3 Dec 2007

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Times Cited: 4

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