论文简介如下：
Magnesium hydride (MgH2) is considered as a promising hydrogen storage material for “hydrogen economy” due to its high-capacity, however, the stable thermodynamics and slow kinetics hinder its practical application. Transition metal catalysts attract intense interest in modifying MgH2 system. Herein, FeConanosheets with the thickness of 50 nm were successfully prepared and confirmed to have superior catalytic effects on MgH2. The nano-FeCo catalyzed MgH2 started to release hydrogen at 200 °C and ended at 320 °C, while the hydrogen desorption process of pure MgH2 occurred at 350-420 °C. Besides, the dehydrogenated FeCo-containing sample could rapidly uptake 6.7 wt% H2 within 1 min at 300 °C. Furthermore, after doped with nano-FeCo, the activation energy of hydrogen desorption and absorption were dramatically reduced to 65.3±4.7 kJ mol-1 and 53.4±1.0 kJ mol-1, respectively. In a word, our finding may provide references for designing and producing nano-level intermetallic catalysts for area of hydrogen storage or other energy related research.
全文下载：https://pubs.rsc.org/en/content/articlepdf/2019/dt/c9dt02084e?page=search