Dipartimento di Ingegneria Industriale, Università degli Studi di Padova, Padova, Italy.
Nanotechnology. 2012 Sep 28;23(38):385401. doi: 10.1088/0957-4484/23/38/385401. Epub 2012 Sep 5.
Mesoporous carbon frameworks were synthesized using the soft-template method. Ca(BH(4))(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 °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.
介孔碳框架是通过软模板法合成的。采用初始湿化法将 Ca(BH4)2 掺入到活性介孔碳中。为了优化表面积和孔径，需要对介孔碳进行活化。热程序吸收测量表明，与未负载的硼氢化相比，将这种硼氢化氢限域在碳纳米支架中可以提高其可逆容量（相对于反应部分）和储氢性能。负载型氢化物的氢气释放始于 100°C 这样低的温度，并且与体相硼氢化相比，脱氢速率很快。此外，从脱氢产物中再生硼氢化所需的氢气压力降低了。
