کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1623385 | 1516415 | 2008 | 9 صفحه PDF | دانلود رایگان |
![عکس صفحه اول مقاله: Nanocatalyst doping of Zn(BH4)2 for on-board hydrogen storage Nanocatalyst doping of Zn(BH4)2 for on-board hydrogen storage](/preview/png/1623385.png)
In this work, we report the synthesis and characterization of Zn(BH4)2, a new class of complex borohydrides for on-board hydrogen storage. The thermal decomposition of Zn(BH4)2 comprises of not only the evolution of H2, but also an appreciable amount of B–H (borane) compounds. Lowering the decomposition temperature by catalytic doping may lead to negligible release of boranes. An amount of 1.5 mol% nanoNi was estimated and found to be the optimum concentration for nanocatalyst doping of Zn(BH4)2. Significance of the nanoNi doping, lowers the melting and thermal decomposition temperatures (at least 20–40 °C) of Zn(BH4)2 as evidenced from the calorimetric analysis. At these low temperatures, the nanocatalyzed Zn(BH4)2 exhibits reduction in the amount of borane gases released by a factor of 20 as compared to the undoped sample.
Journal: Journal of Alloys and Compounds - Volume 462, Issues 1–2, 25 August 2008, Pages 294–302