Journal
NANOTECHNOLOGY
Volume 23, Issue 38, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0957-4484/23/38/385401
Keywords
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Funding
- Romanian Ministry of Education and Research [72-196/2008]
- Padova University
- Romanian Ministry of Education, Research, Youth and Sport [72196/2008, PN09-450103]
- POSDRU [5159]
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Mesoporous carbon frameworks were synthesized using the soft-template method. Ca(BH4)(2) was incorporated into activated mesoporous carbon by the incipient wetness method. The activation of mesoporous carbon was necessary to optimize the surface area and pore size. Thermal programmed absorption measurements showed that the confinement of this borohydride into carbon nanoscaffolds improved its reversible capacity (relative to the reactive portion) and performance of hydrogen storage compared to unsupported borohydride. Hydrogen release from the supported hydride started at a temperature as low as 100 degrees C and the dehydrogenation rate was fast compared to the bulk borohydride. In addition, the hydrogen pressure necessary to regenerate the borohydride from the dehydrogenation products was reduced.
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