The research team, under the leadership of Professor Oh, has successfully tackled the challenge of low hydrogen storage capacity by leveraging advanced high-density adsorption technology. Through the synthesis of a nanoporous magnesium borohydride structure (Mg(BH₄)₂) comprising magnesium hydride, solid boron hydride (BH4)2, and magnesium cation (Mg+), the developed material enables the storage of five hydrogen molecules in a three-dimensional arrangement, showcasing the remarkable capability to store hydrogen at high densities even under normal atmospheric pressure.
The reported material exhibits an impressive hydrogen storage capacity of 144 g/L per volume of pores, surpassing traditional methods, such as storing hydrogen as a gas in a liquid state (70.8 g/L). Additionally, the density of hydrogen molecules within the material exceeds that of the solid state, highlighting the efficiency of this novel storage approach.
This transformative development not only enhances the efficiency and economic viability of hydrogen energy utilization but also addresses critical challenges in large-scale hydrogen storage for public transportation applications.
The study findings have been published ahead of their official publication in the online version of Nature Chemistry, a prestigious international journal in the field of chemistry on February 6, 2024.
From: EurekAlert!
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