TUdatalib : Data of publication “Oxygen Reduction Reaction Measurements on Platinum Electrocatalysts in Gas Diffusion Electrode Half-cells: Influence of Electrode Preparation, Measurement Protocols and Common Pitfalls”

Figure 5: Electrochemical properties of GDEs with varying catalyst loadings.

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

Figure S5: EIS data at vayring current density

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

Figure 2: Determination of the ECSA in RDE and GDE measurements

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

Figure 3: Influence of the solvent composition of the catalyst ink

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

Figure S11: Influence of the GDL type on the ORR activity measured for GDEs with a loading of 100 µgPt cm-2 in O2 in 2 M HClO4.

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

Figure 7: Influence of the electrolyte concentration on A) CVs in N2-atmosphere at 100 mV s-1 and B) the resulting ECSA (derived from H+- + CO-Stripping) for GDEs with a loading of 100 µgPt cm-2.

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

Figure 8: Influence of the electrolyte concentration on the ORR activity measured for GDEs with a loading of 100 µgPt cm-2 in synthetic air.

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

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)

Data of publication “Oxygen Reduction Reaction Measurements on Platinum Electrocatalysts in Gas Diffusion Electrode Half-cells: Influence of Electrode Preparation, Measurement Protocols and Common Pitfalls”

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Figure 5: Electrochemical properties of GDEs with varying catalyst loadings.

Figure S5: EIS data at vayring current density

Figure 2: Determination of the ECSA in RDE and GDE measurements

Figure 3: Influence of the solvent composition of the catalyst ink

Figure S11: Influence of the GDL type on the ORR activity measured for GDEs with a loading of 100 µgPt cm-2 in O2 in 2 M HClO4.

Figure 7: Influence of the electrolyte concentration on A) CVs in N2-atmosphere at 100 mV s-1 and B) the resulting ECSA (derived from H+- + CO-Stripping) for GDEs with a loading of 100 µgPt cm-2.

Figure 8: Influence of the electrolyte concentration on the ORR activity measured for GDEs with a loading of 100 µgPt cm-2 in synthetic air.

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.

Data of publication “Oxygen Reduction Reaction Measurements on Platinum Electrocatalysts in Gas Diffusion Electrode Half-cells: Influence of Electrode Preparation, Measurement Protocols and Common Pitfalls”

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Neueste Zugänge

Figure 5: Electrochemical properties of GDEs with varying catalyst loadings. ﻿

Figure S5: EIS data at vayring current density ﻿

Figure 2: Determination of the ECSA in RDE and GDE measurements ﻿

Figure 3: Influence of the solvent composition of the catalyst ink ﻿

Figure S11: Influence of the GDL type on the ORR activity measured for GDEs with a loading of 100 µgPt cm-2 in O2 in 2 M HClO4. ﻿

Figure 7: Influence of the electrolyte concentration on A) CVs in N2-atmosphere at 100 mV s-1 and B) the resulting ECSA (derived from H+- + CO-Stripping) for GDEs with a loading of 100 µgPt cm-2. ﻿

Figure 8: Influence of the electrolyte concentration on the ORR activity measured for GDEs with a loading of 100 µgPt cm-2 in synthetic air. ﻿

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. ﻿

Figure 5: Electrochemical properties of GDEs with varying catalyst loadings.

Figure S5: EIS data at vayring current density

Figure 2: Determination of the ECSA in RDE and GDE measurements

Figure 3: Influence of the solvent composition of the catalyst ink

Figure S11: Influence of the GDL type on the ORR activity measured for GDEs with a loading of 100 µgPt cm-2 in O2 in 2 M HClO4.

Figure 7: Influence of the electrolyte concentration on A) CVs in N2-atmosphere at 100 mV s-1 and B) the resulting ECSA (derived from H+- + CO-Stripping) for GDEs with a loading of 100 µgPt cm-2.

Figure 8: Influence of the electrolyte concentration on the ORR activity measured for GDEs with a loading of 100 µgPt cm-2 in synthetic air.

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.