TUdatalib : Browsing Etzoldlab - Technische Chemie 1 by Author "Hübner, Gerold"

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 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 5: Electrochemical properties of GDEs with varying catalyst loadings.

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 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 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 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 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 S5: EIS data at vayring current density

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 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 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)

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)

Browsing Etzoldlab - Technische Chemie 1 by Author "Hübner, Gerold"

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

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

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

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

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

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 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 S5: EIS data at vayring current density ﻿

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 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 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 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 2: Determination of the ECSA in RDE and GDE measurements

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

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

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

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

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 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 S5: EIS data at vayring current density

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 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 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 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)).