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Issue 37, 2015
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Hydrogen sorption properties of Pd–Co nanoalloys embedded into mesoporous carbons

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Abstract

Pd90Co10 and Pd75Co25 nanoalloys embedded into mesoporous carbon hosts have been prepared by two synthetic methods: direct and indirect. The average nanoparticles size can be tuned by both the temperature during thermal treatment and the chemical composition: the higher the treatment temperature and the richer the Pd composition, the larger the nanoparticle size. Twofold size- and composition-dependence of the hydrogen sorption properties at room temperature are evidenced. The Co substitution in Pd nanoalloys increases the equilibrium pressure at room temperature relative to nanosized Pd. The hydrogen sorption capacity decreases by Co substitution in Pd, as also demonstrated by SQS + DFT calculations.

Graphical abstract: Hydrogen sorption properties of Pd–Co nanoalloys embedded into mesoporous carbons

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Publication details

The article was received on 13 May 2015, accepted on 13 Aug 2015 and first published on 20 Aug 2015


Article type: Paper
DOI: 10.1039/C5NR03143E
Author version available: Download Author version (PDF)
Citation: Nanoscale, 2015,7, 15469-15476
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    Hydrogen sorption properties of Pd–Co nanoalloys embedded into mesoporous carbons

    C. Zlotea, C. M. Ghimbeu, Y. Oumellal, J. Crivello, C. Vix-Guterl and M. Latroche, Nanoscale, 2015, 7, 15469
    DOI: 10.1039/C5NR03143E

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