Fig. 9: HQ oxidation performance over platinized Pt foil with applied external potentials. | Nature Communications

Fig. 9: HQ oxidation performance over platinized Pt foil with applied external potentials.

From: Bridging mixed potential theory and electrochemical promotion of thermal catalysis during hydroquinone-benzoquinone redox reactions

Fig. 9: HQ oxidation performance over platinized Pt foil with applied external potentials.

The reactant concentration/partial pressure: (a) 100 kPa O2 + 2 mM HQ; (b) 100 kPa O2 + 4 mM HQ; (c) 100 kPa O2 + 10 mM HQ; (d) 50 kPa O2 + 10 mM HQ; (e) 70 kPa O2 + 10 mM HQ. Conditions: WE: Platinized Pt foil (1 × 1 cm2) on CP; pressure: 101 kPa; RE: Hg/Hg2Cl2 (sat. KCl); CE: carbon rod; 295 K; 0.1 M HClO4; pH 1.2; stirring rate: 450 rpm.

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