4.8 Article

Exfoliated Magnesium Diboride (MgB2) Nanosheets as Solid Fuels

期刊

NANO LETTERS
卷 23, 期 17, 页码 7968-7974

出版社

AMER CHEMICAL SOC
DOI: 10.1021/acs.nanolett.3c01910

关键词

boron; magnesium boride; 2D nanosheets; combustion; energetic materials

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This study investigates the potential of 2D exfoliated MgB2 nanosheets as solid fuels and analyzes their oxidation behavior and energetic performance through material characterization and combustion tests. The results show that MgB2 nanosheets exhibit superior energetic properties.
Magnesium diboride (MgB2) has been explored as an alternative fuel to boron (B) due to its high energy density and the additive effect of magnesium (Mg) to promote B combustion. However, the primary oxidation of MgB2 does not occur unless it decomposes at a high temperature (830 degrees C), which makes ignition difficult and the reaction slow. Recently, two-dimensional (2D) exfoliated MgB2 nanosheets have attracted increasing attention due to their unique properties and potential applications in various fields. In this study, we investigate the potential of 2D exfoliated MgB2 nanosheets as solid fuels for overcoming the challenges of MgB2 combustion. We analyzed their oxidation behavior and energetic performance through material characterization and combustion tests under slow- and fast-heating conditions and compared their performance with those of bulk MgB2, B nanoparticles, and a B/Mg nanoparticle mixture. This study highlights the potential of MgB2 nanosheets as promising solid fuels with superior energetic properties.

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