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Base Metal Catalyzed Dehydrogenation of Ammonia−Borane for Chemical Hydrogen Storage
Abstract
We report here the first example of a homogeneous first row transition-metal-based catalyst which is active for dehydrogenation of ammonia−borane, H 3 NBH 3, a promising chemical hydrogen storage material. Addition of ammonia−borane to an active catalyst formed in situ from the reaction of Ni(cod) 2 and 2 equiv of an appropriate N-heterocyclic carbene (NHC) rapidly evolves hydrogen at 60 °C. Using a gas burette to quantify the gas evolved, 29 of a possible 31 mL of H 2 for 3 equiv of H 2 was produced, equating to >2.5 equiv of H 2 from ammonia−borane. Kinetic isotope effects of deuterated derivatives of ammonia−borane suggest that both N−H and B−H bonds are being broken in the rate-determining step(s).
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Citations
Cited by
B–N compounds for chemical hydrogenstorage
Hamilton, C. W., Baker, R. T., Staubitz, A., & Manners, I. (2009) · Chem. Soc. Rev. · doi:10.1039/b800312m · Cited by 1,087
Self-citationAmmonia–Borane and Amine–Borane Dehydrogenation Mediated by Complex Metal Hydrides
Rossin, A., & Peruzzini, M. (2016) · Chemical Reviews · doi:10.1021/acs.chemrev.6b00043 · Cited by 421
Hou, C.-C., Chen, Q.-Q., Li, K., Wang, C.-J., Peng, C.-Y., Shi, R., & Chen, Y. (2019) · Journal of Materials Chemistry A · doi:10.1039/c9ta00607a · Cited by 52
Metadata
- Authors
- Keaton, R. J., Blacquiere, J. M., & Baker, R. T.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2007-01-25
- Volume
- 129
- Issue
- 7
- Pages
- 1844-1845
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W1980690337
- Cited by
- 658
- References
- 0
- FWCI
- 33.82
- Type
- journal article
- Language
- en
- Open access
- closed
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