期刊
CHEMISTRY OF MATERIALS
卷 22, 期 10, 页码 3265-3268出版社
AMER CHEMICAL SOC
DOI: 10.1021/cm100536a
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资金
- Framework Program of the European Commission [NESSHY Contract No. 518271]
- Swiss National Science Foundation [SNF-Project 200021-119972/1]
- Swiss Federal Office of Energy
- integrated project of ICC-IMR
- U.S. Department of Energy
- Office of Energy Efficiency and Renewable Energy [DE-AI-01-05EE11105]
- Hydrogen, Fuel Cells & Infrastructure Technologies Program
- National Science Foundation (NSF) [9724240]
- MRSEC Program of the NSF [DMR-0520565]
By in situ X-ray diffraction (XRD) and nuclear magnetic resonance (NMR) spectroscopy, the role of Li2B12H12 for the sorption of LiBH4 is analyzed. We demonstrate that Li2B12H12 and an amorphous Li2B10H10 phase are formed by the reaction of LiBH4 with diborane (B2H6) at 200 degrees C. Based on our present results, we propose that the Li2B12H12 formation in the desorption of LiBH4 can be explained as a result of reaction of diborane and LiBH4. This reaction of the borohydride with diborane may also be observed for other borohydrides, where B12H12 phases are found during decomposition.
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