منابع مشابه
Eutectic melting in metal borohydrides.
A series of monometallic borohydrides and borohydride eutectic mixtures have been investigated during thermal ramping by mass spectroscopy, differential scanning calorimetry, and photography. Mixtures of LiBH4-NaBH4, LiBH4-KBH4, LiBH4-Mg(BH4)2, LiBH4-Ca(BH4)2, LiBH4-Mn(BH4)2, NaBH4-KBH4, and LiBH4-NaBH4-KBH4 all displayed melting behaviour below that of the monometallic phases (up to 167 °C low...
متن کاملEutectic Melting in Metal Borohydrides
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متن کاملIn Situ NMR Study on the Interaction between LiBH4-Ca(BH4)2 and Mesoporous Scaffolds.
We discuss the use of nuclear magnetic resonance (NMR) spectroscopy to investigate the physical state of the eutectic composition of LiBH4-Ca(BH4)2 (LC) infiltrated into mesoporous scaffolds and the interface effect of various scaffolds. Eutectic melting and the melt infiltration of mixed borohydrides were observed through in situ NMR. In situ and ex situ NMR results for LC mixed with mesoporou...
متن کاملMelting Behavior and Thermolysis of NaBH4−Mg(BH4)2 and NaBH4−Ca(BH4)2 Composites
The physical properties and the hydrogen release of NaBH4–Mg(BH4)2 and NaBH4−Ca(BH4)2 composites are investigated using in situ synchrotron radiation powder X-ray diffraction, thermal analysis and temperature programmed photographic analysis. The composite, xNaBH4–(1 − x)Mg(BH4)2, x = 0.4 to 0.5, shows melting/frothing between 205 and 220 °C. However, the sample does not become a transparent mo...
متن کاملMaterials designing of metal borohydrides: Viewpoints from thermodynamical stabilities
Double-cation borohydrides MLim−n(BH4)m (M=Zn, n= 2; M=Al, n= 3; M=Zr, n= 4; n≤m) were expected to be synthesized and their thermodynamical stabilities were also examined experimentally. The samples with the compositions of ZnLi(BH4)3 and AlLi(BH4)4 disproportionate into Zn(BH4)2(or Al(BH4)3-) and LiBH4-based phases upon heating, respectively. However, no disproportionation reaction is observed...
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ژورنال
عنوان ژورنال: Physical Chemistry Chemical Physics
سال: 2013
ISSN: 1463-9076,1463-9084
DOI: 10.1039/c3cp53920b