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- Kwak, Ja Hun
- Molecular Catalysis Lab.
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Probing the reaction pathway of dehydrogenation of the LiNH2+LiHmixture using in situ H-1 NMR spectroscopy
- Alternative Title
- Probing the reaction pathway of dehydrogenation of the LiNH2+LiHmixture using in situ H-1 NMR spectroscopy
- Author(s)
- Hu, Jian Zhi, Kwak, Jahun, Yang, Zhenguo, Osborn, William, Markmaitree, Tippawan, Shaw, Leon L.
- Issued Date
- 2008-06
- Citation
- JOURNAL OF POWER SOURCES, v.181, no.1, pp.116 - 119
- Abstract
- Using variable temperature in situ H-1 NMR spectroscopy on a mixture of LiNH2 + LiH that was mechanically activated using high-energy ball milling, the dehydrogenation of the LiNH2 + LiH to Li2NH + H-2 Was investigated. The analysis indicates NH3 release at a temperature as low as 30 degrees C and rapid reaction between NH3 and LiH at similar to 150 degrees C. The transition from NH3 release to H-2 appearance accompanied by disappearance of NH3 confirms unambiguously the two-step elementary reaction pathway proposed by other workers. (C) 2008 Elsevier B.V. All rights reserved
- Publisher
- ELSEVIER SCIENCE BV
- ISSN
- 0378-7753
- Keyword (Author)
- NMR, mechanical activation, LiNH2, LiH, hydrogen storage
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