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Hydrogen absorption and desorption properties of a novel ScNiAl alloy

Sobkowiak, Adam ; Angstrom, Jonas ; Nielsen, Thomas Kollin ; Cerenius, Yngve LU ; Jensen, Torben R. and Sahlberg, Martin (2011) In Applied Physics A: Materials Science & Processing 104(1). p.235-238
Abstract
A new hydrogen absorbing material has been discovered, ScNiAl, which can store 1.5 wt.% hydrogen reversibly. In this compound, hydrogen absorption is a two-step process; solid solution of hydrogen at temperatures below 180A degrees C and decomposition into ScH2 and NiAl at higher temperatures. Detailed analysis of the hydrogen absorption/desorption has been performed using in situ synchrotron radiation powder X-ray diffraction and thermal desorption spectroscopy. The apparent activation energy for hydrogen desorption was determined to be 182 kJ/mol and the material is stable during cycling.
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author
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organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Applied Physics A: Materials Science & Processing
volume
104
issue
1
pages
235 - 238
publisher
Springer
external identifiers
  • wos:000291652600034
  • scopus:79959246781
ISSN
1432-0630
DOI
10.1007/s00339-010-6116-z
language
English
LU publication?
yes
id
326ce87b-3ec7-468d-9731-82b674dac8e8 (old id 2056866)
date added to LUP
2016-04-01 10:11:37
date last changed
2025-04-04 15:19:58
@article{326ce87b-3ec7-468d-9731-82b674dac8e8,
  abstract     = {{A new hydrogen absorbing material has been discovered, ScNiAl, which can store 1.5 wt.% hydrogen reversibly. In this compound, hydrogen absorption is a two-step process; solid solution of hydrogen at temperatures below 180A degrees C and decomposition into ScH2 and NiAl at higher temperatures. Detailed analysis of the hydrogen absorption/desorption has been performed using in situ synchrotron radiation powder X-ray diffraction and thermal desorption spectroscopy. The apparent activation energy for hydrogen desorption was determined to be 182 kJ/mol and the material is stable during cycling.}},
  author       = {{Sobkowiak, Adam and Angstrom, Jonas and Nielsen, Thomas Kollin and Cerenius, Yngve and Jensen, Torben R. and Sahlberg, Martin}},
  issn         = {{1432-0630}},
  language     = {{eng}},
  number       = {{1}},
  pages        = {{235--238}},
  publisher    = {{Springer}},
  series       = {{Applied Physics A: Materials Science & Processing}},
  title        = {{Hydrogen absorption and desorption properties of a novel ScNiAl alloy}},
  url          = {{http://dx.doi.org/10.1007/s00339-010-6116-z}},
  doi          = {{10.1007/s00339-010-6116-z}},
  volume       = {{104}},
  year         = {{2011}},
}