Nanolayer-like-shaped MgFe₂O₄ synthesised via a simple hydrothermal method and its catalytic effect on the hydrogen storage properties of MgH₂

Abstract

In this study, the effect of nanolayer-like-shaped MgFe 2 O 4 that is synthesised via a simple hydrothermal method on the performance of MgH 2 for hydrogen storage is studied. ). X-ray diffraction spectra display the formation of new species which are Fe and MgO after dehydrogenation, and these new species are believed to act as the real catalyst that plays a crucial role in improving the sorption performance of the MgFe 2 O 4 -doped MgH 2 system by providing a synergetic catalytic effect.

Progress in modification and thermodynamic tuning of light hydrogen storage materials

“…. 针对纳米Mg基储氢材料, 朱敏等引入界面能对 van't Hoff公式进行修正, 得到如下公式: 表 1 常见轻质储氢材料及其理论储氢量 [18,19] 、金属合金 [20,21] 、氧 [35,36] . 通过掺杂, 材料形成了多相、多尺度的微结构 体系, 从而改善了材料的吸/放氢性能.…”

Metallic glassy Ti2Ni grain-growth inhibitor powder for enhancing the hydrogenation/dehydrogenation kinetics of MgH2

“…10,11 Since the 1990s, enormous efforts have been dedicated for improving the hydrogenation/dehydrogenation behaviors of MgH 2 , using pure metal catalysts, 12,13 intermetallic compounds, 14 metal oxides, 15,16 carbides 17 and different families of composite and nanocomposite materials. [18][19][20][21] Recently, Shinde et al 22 demonstrated that successful self-assembly of MgH 2 nanoparticles in activated carbon led to the improvement of the physical and chemical behavior of the hydride phase for achieving reversible hydrogen storage.…”

Environmentally friendly nanocrystalline magnesium hydride decorated with metallic glassy-zirconium palladium nanopowders for fuel cell applications

“…Table S1 † summarizes the hydrogen storage properties of MgH 2 upon doping with selected metallic catalytic systems. [30][31][32][33][34][35] The present study has been conducted to investigate the possibility of improving the hydrogen storage behavior of nanocrystalline MgH 2 powders upon doping and reactive ball milling (RBM) with different molecular fractions (2.5, 5, and 10 wt%) of metallic glassy (MG) Zr 2 Ni nanopowders (used here for the rst time). More importantly, we have attempted to employ this new nanocomposite system for running an electric golf-cart, using a 1000 W proton-exchange membrane fuel cell (PEM-FC).…”