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Figure S4: ORR current density at a potential of 0.85 V vs. RHE of GDEs prepared with catalyst ink containing a varying percentage of ethanol in the water/ethanol solvent mixture

Schmitt, Nicolai; Schmidt, Mareike; Hübner, Gerold; Etzold, Bastian J.M. (2022-04-25)

Figure S10: Influence of the electrolyte concentration on the potential of the utilized reversible hydrogen reference electrodes.

Schmitt, Nicolai; Schmidt, Mareike; Hübner, Gerold; Etzold, Bastian J.M. (2022-04-25)

Figure 4: Temperature evolution of the cell electrolyte during application of ORR protocol 6a and ORR protocol 6b

Schmitt, Nicolai; Schmidt, Mareike; Hübner, Gerold; Etzold, Bastian J.M. (2022-04-25)

Figure S9: Influence of the electrolyte concentration on the measured potentials (relating to the ORR activity) for GDEs with a loading of 100 µgPt cm-2 for low and high current densities in O2 (lA)) and synthetic air (B)).

Schmitt, Nicolai; Schmidt, Mareike; Hübner, Gerold; Etzold, Bastian J.M. (2022-04-25)

Figure 6: A) ORR polarization curves and B) mass specific activity (MSA) in oxygen atmosphere for varying catalyst loading on the GDE measured in 2 M HClO4 in O2-atmosphere by application of protocol 6b

Schmitt, Nicolai; Schmidt, Mareike; Hübner, Gerold; Etzold, Bastian J.M. (2022-04-25)

Figure S7: Mass specific ORR activity determined by interpolation out of the recorded polarization curves shown in Figure 6 in O2-atmosphere depending on the catalyst loading.

Schmitt, Nicolai; Schmidt, Mareike; Hübner, Gerold; Etzold, Bastian J.M. (2022-04-25)

Figure S6: A) ORR polarization curves and B) mass specific activity (MSA) in oxygen atmosphere for varying catalyst loading on the GDE measured by application of protocol 6a.

Schmitt, Nicolai; Schmidt, Mareike; Hübner, Gerold; Etzold, Bastian J.M. (2022-04-25)

Figure S8: Influence of the electrolyte concentration on the ORR activity measured for GDEs with a loading of 100 µgPt cm-2. A) influence on CV curves in O2-atmosphere. B) influence on the limiting current in O2 and synthetic air derived from the plateau of the respective CV curves.

Schmitt, Nicolai; Schmidt, Mareike; Hübner, Gerold; Etzold, Bastian J.M. (2022-04-25)

detector_efficiency_curve

Brunnengräber, Kai; George, Michael; Jeschonek, Katharina; Kleebe, Hans-Joachim; Etzold, Bastian J.M.; Lauterbach, Stefan; Zhang, Gui-Rong (2021-01-21)

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Figure S4: ORR current density at a potential of 0.85 V vs. RHE of GDEs prepared with catalyst ink containing a varying percentage of ethanol in the water/ethanol solvent mixture

Figure S10: Influence of the electrolyte concentration on the potential of the utilized reversible hydrogen reference electrodes.

Figure 4: Temperature evolution of the cell electrolyte during application of ORR protocol 6a and ORR protocol 6b

Figure S9: Influence of the electrolyte concentration on the measured potentials (relating to the ORR activity) for GDEs with a loading of 100 µgPt cm-2 for low and high current densities in O2 (lA)) and synthetic air (B)).

Figure 6: A) ORR polarization curves and B) mass specific activity (MSA) in oxygen atmosphere for varying catalyst loading on the GDE measured in 2 M HClO4 in O2-atmosphere by application of protocol 6b

Figure S7: Mass specific ORR activity determined by interpolation out of the recorded polarization curves shown in Figure 6 in O2-atmosphere depending on the catalyst loading.

Figure S6: A) ORR polarization curves and B) mass specific activity (MSA) in oxygen atmosphere for varying catalyst loading on the GDE measured by application of protocol 6a.

Figure S8: Influence of the electrolyte concentration on the ORR activity measured for GDEs with a loading of 100 µgPt cm-2. A) influence on CV curves in O2-atmosphere. B) influence on the limiting current in O2 and synthetic air derived from the plateau of the respective CV curves.

detector_efficiency_curve