3 years ago

A Stable Nano-Cobalt Catalyst for Selective Dehydrogenation of Formic Acid with Highly Dispersed CoNx Active Sites

Annette-Enrica Surkus, Matthias Schneider, Conghui Tang, Giovanni Agostini, Feng Chen, Matthias Beller, Henrik Junge, Marga-Martina Pohl
Novel nano-structured catalysts with highly dispersed cobalt have been synthesized using pyrolysis of metal phenanthroline complexes. Materials with significantly different properties are obtained by simply tuning the metal/ligand ratio. As an example for the catalytic potential of this class of compounds, the first atomically dispersed cobalt-catalyzed dehydrogenation of formic acid is described. From TEM, XPS, XRD characterizations, KSCN poisoning and acid leaching, the formation of CoNx species as the active site seems key to success for this reaction. Excellent stability and recyclability makes this new catalyst also attractive for other applications.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/anie.201710766

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