Fig. 6: Current density revival of Au/CoOOH. | Nature Communications

Fig. 6: Current density revival of Au/CoOOH.

From: Alcohols electrooxidation coupled with H2 production at high current densities promoted by a cooperative catalyst

Fig. 6

a I-t curve of Au/CoOOH catalyst at 1.35 V vs. RHE in a 1 M KOH with 0.1 M benzyl alcohol at r.t. b Fourier-transform Au L3-edge EXAFS spectra of Au/CoOOH, Au foil and Au2O3. c Chronoamperometric measurements of Au/CoOOH catalyst using intermittent potential (IP) and constant potential (CP) strategies at 1.35 V vs. RHE in a 1 M KOH with 0.1 M benzyl alcohol at r.t. over 24 h (left), and enlarged measurement period in a (right). d The corresponding consumption of benzyl alcohol, productivities of benzaldehyde, benzoic acid and H2, as well as the FE of total anodic products. e Chronopotentiometric measurements of Au/CoOOH catalyst with IP and CP strategies at 200 and 300 mA cm−2 in a 1 M KOH with 0.1 M benzyl alcohol at r.t. f The corresponding electric energy consumption.

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