With the decreasing consumption of fossil fuels and climate warming, the world urgently needs to shift to green, clean and efficient energy.
In this case, hydrogen has high energy density and environmentally friendly properties and is seen as a potential alternative to fossil fuels.
To promote the development of hydrogen economy, it is of great significance to develop safe and efficient hydrogen storage technology.
(Photo source: link.
springer.
com) Compared with traditional compressed hydrogen and low-temperature liquid hydrogen storage technologies, solid-state hydrogen storage is considered a safer and more efficient method.
As one of the promising solid hydrogen storage materials, magnesium hydride (MgH2) has attracted much attention due to its abundant elemental resources, high hydrogen storage capacity, good reversibility and non-toxicity.
However, the operating temperature of MgH2 is relatively high, which affects its large-scale commercial application in vehicle-mounted or stationary hydrogen storage.
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