The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
Indirect, Reversible High-Density Hydrogen Storage in Compact Metal Ammine Salts
Abstract
The indirect hydrogen storage capabilities of Mg(NH 3) 6Cl 2, Ca(NH 3) 8Cl 2, Mn(NH 3) 6Cl 2, and Ni(NH 3) 6Cl 2 are investigated. All four metal ammine chlorides can be compacted to solid tablets with densities of at least 95% of the crystal density. This gives very high indirect hydrogen densities both gravimetrically and volumetrically. Upon heating, NH 3 is released from the salts, and by employing an appropriate catalyst, H 2 can be released corresponding to up to 9.78 wt % H and 0.116 kg H/L for the Ca(NH 3) 8Cl 2 salt. The NH 3 release from all four salts is investigated using temperature-programmed desorption employing different heating rates. The desorption is found mainly to be limited by heat transfer, indicating that the desorption kinetics are extremely fast for all steps. During desorption from solid tablets of Mg(NH 3) 6Cl 2, Mn(NH 3) 6Cl 2, and Ni(NH 3) 6Cl 2, nanoporous structures develop, which facilitates desorption from the interior of large, compact tablets. Density functional theory calculations reproduce trends in desorption enthalpies for the systems studied, and a mechanism in which individual chains of the ammines are released from the surface of the crystal is proposed to explain the fast absorption/desorption processes.
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Cites
Crabtree, G. W., Dresselhaus, M. S., & Buchanan, M. V. (2004) · Physics Today · doi:10.1063/1.1878333 · Cited by 1,610
Cited by
Ammonia and related chemicals as potential indirect hydrogen storage materials
Lan, R., Irvine, J. T. S., & Tao, S. (2012) · International Journal of Hydrogen Energy · doi:10.1016/j.ijhydene.2011.10.004 · Cited by 1,207
Yu, X.-F., Li, Y.-C., Cheng, J.-B., Liu, Z.-B., Li, Q.-Z., Li, W.-Z., Yang, X., & Xiao, B. (2015) · ACS Applied Materials & Interfaces · doi:10.1021/acsami.5b03737 · Cited by 676
Low-temperature ammonia decomposition catalysts for hydrogen generation
Mukherjee, S., Devaguptapu, S. V., Sviripa, A., Lund, C. R. F., & Wu, G. (2018) · Applied Catalysis B: Environmental · doi:10.1016/j.apcatb.2017.12.039 · Cited by 671
Ge, X., Gu, C., Wang, X., & Tu, J. (2017) · Journal of Materials Chemistry A · doi:10.1039/c7ta01659j · Cited by 372
Production of ammonia via a chemical looping process based on metal imides as nitrogen carriers
Gao, W., Guo, J., Wang, P., Wang, Q., Chang, F., Pei, Q., Zhang, W., Liu, L., & Chen, P. (2018) · Nature Energy · doi:10.1038/s41560-018-0268-z · Cited by 346
Metadata
- Authors
- Sørensen, R. Z., Hummelshøj, J. S., Klerke, A., Reves, J. B., Vegge, T., Nørskov, J. K., & Christensen, C. H.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2008-06-13
- Volume
- 130
- Issue
- 27
- Pages
- 8660-8668
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2011131930
- Cited by
- 209
- References
- 1
- FWCI
- 4.38
- Type
- journal article
- Language
- en
- Open access
- closed
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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