Rotating Disk Electrode (RDE) Investigation of BH4− and BH3OH− Electro-oxidation at Pt and Au: Implications for BH4− Fuel Cells

@inproceedings{Finkelstein2009RotatingDE,
  title={Rotating Disk Electrode (RDE) Investigation of BH4− and BH3OH− Electro-oxidation at Pt and Au: Implications for BH4− Fuel Cells},
  author={David A. Finkelstein and N{\'i}colas da Silva Mota and Jamie L. Cohen and H{\'e}ctor D Abru{\~n}a},
  year={2009}
}
We present a thorough electrochemical study of the mechanism of borohydride oxidation on gold and platinum surfaces via cyclic voltammetry and rotating disk and ring-disk electrode voltammetry. We have paid particularly close attention to the number of electrons transferred (from a theoretical maximum of 8e−), values of the heterogeneous charge transfer rate constant (kb), the presence of coupled chemical reactions, and adsorbed intermediates. We find that the nature of the electrode (Pt, Au… CONTINUE READING

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