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1 article(s) from Elsaesser, Michael S

Synthesis of amorphous and graphitized porous nitrogen-doped carbon spheres as oxygen reduction reaction catalysts

Maximilian Wassner,
Markus Eckardt,
Andreas Reyer,
Thomas Diemant,
Michael S. Elsaesser,
R. Jürgen Behm and
Nicola Hüsing

Beilstein J. Nanotechnol. 2020, 11, 1–15, doi:10.3762/bjnano.11.1

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Figure 1: Schematic synthesis overview of amorphous N-doped carbon spheres (NCSs) and graphitized N-doped car...

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Figure 2: SEM images of (a) the carbon spheres with Fe₂O₃ before acid treatment, (b, c) the different non-gra...

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Figure 3: TEM images of (a–d) the NCS catalysts and (e–h) the g-NCS catalysts. The TEM images in (a–d) are re...

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Figure 4: X-ray diffraction patterns of the NCS and g-NCS catalyst series.

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Figure 5: XPS data. Top: N configuration of the NCS and g-NCS catalysts; below: XPS spectra of N 1s region fo...

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Figure 6: Raman spectra of the NCS and g-NCS catalysts (the x-axis represents the Raman shift relative to the...

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Figure 7: N₂ sorption isotherms of the (a) NCS and (b) g-NCS catalyst series.

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Figure 8: ORR measurements (cyclic voltammograms). (a) ORR disc current densities of the NCS catalysts and Pt...

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Figure 9: ORR onset potential (potential value at 0.1 mA·cm⁻²) as a function of the micropore surface area (M...

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Figure 10: ORR onset potential (potential value at 0.1 mA·cm⁻²) as a function of the nitriding temperature of ...

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Published 02 Jan 2020

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