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  • P-ISSN 1225-0163
  • E-ISSN 2288-8985

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    Nanoconfinement effects of MCM-41 on the thermal decomposition of metal borohydrides

    Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
    2018, v.31 no.1, pp.1-6
    https://doi.org/10.5806/AST.2018.31.1.1



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    Abstract

    We used differential scanning calorimetry and a thermogravimetric analysis to investigate the effect of being confined in mesoporous MCM-41 on the decomposition of lithium borohydride and magnesium borohydride when heated. The confinement did not cause a phase transition of the metal borohydrides inside MCM-41, but did lower their decomposition temperature. With the exception of a lowering of the temperature, the decomposition reaction mechanism of the metal borohydrides was nearly the same for both the bulk and confined samples.

    keywords
    Hydrogen storage, Dehydrogenation, Lithium borohydride <TEX>$LiBH_4$</TEX>, Magnesium borohydride <TEX>$Mg(BH_4)_2$</TEX>, MCM-41


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