Kapitel/Beitrag aus dem Buch: Längle, T et al. 2013. OCM 2013 – Optical Characterization of Materials – conference proceedings.
For future applications of solid-state hydrogen tanks
a reliable method for hydrogen content monitoring is necessary.
The chemical reactions of a sodium hydride/alanate system during
hydrogen desorption were followed in-situ using two methods
in parallel: First, changes of the FTIR spectra due to the
crystal structure phase changes were recorded. Second, precision
weight measurements were carried out. To do so, a set-up consisting
of a FTIR spectrometer, equipped with a special sample
chamber for ATR measurements, combined with a high precision
balance was developed. The results presented in this paper were
obtained on a self-prepared CeCl3-doped sodium alanatesample.
Absorbed weight percentage of hydrogen and spectroscopic data
correspond to each other in a reproducible way. Moreover, activated
and non-activated materials show very similar behavior.
Franke, I et al. 2013. Hydrogen content of CeCl3-doped sodiumalanate powder samples measured in-situ byATR-FTIR-spectroscopy and gravimetry duringdesorption. In: Längle, T et al (eds.), OCM 2013 – Optical Characterization of Materials – conference proceedings. Karlsruhe: KIT Scientific Publishing. DOI: https://doi.org/10.58895/ksp/1000032143-7
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Veröffentlicht am 6. März 2013