Stefan Dieckhöfer

Coupling of particular anode reactions in bipolar electrolyzers

  • Applying the concept of bipolar electrochemistry to coupled electrolysis systems
  • Quantitative analysis of product distributions (HPLC, DEMS, etc.)
  • Characterize the influence of varying reaction limitations on product selectivities

Publications

Dieckhöfer, S.; Medina, D.; Ruff, A.; Conzuelo, F.; Schuhmann, W., Pseudocapacitive redox polymers as battery materials: a proof-of-concept all-polymer aqueous battery. ChemElectroChem 2021, 8, 2308-2314, https://doi.org/10.1002/celc.202100450

Dieckhöfer, S.; Öhl, D.; Junqueira, J. R. C.; Quast, T.; Turek, T.; Schuhmann, W., Probing the local reaction environment during high turnover carbon dioxide reduction with Ag-based gas diffusion electrodes. Chem. Eur. J. 2021, 27, 5906-5912, https://doi.org/10.1002/chem.202100387.

Möller, S.; Barwe, S.; Dieckhöfer, S.; Masa, J.; Andronescu, C.; Schuhmann, W., Differentiation between carbon corrosion and oxygen evolution catalyzed by NixB/C hybrid electrocatalysts in alkaline solution using differential electrochemical mass spectrometry. ChemElectroChem 2020, 7, 2680-2686, 10.1002/celc.202000697.

Wilde, P.; Dieckhöfer, S.; Quast, T.; Xiang, W.; Bhatt, A.; Chen, Y.-T.; Seisel, S.; Barwe, S.; Andronescu, C.; Li, T.; Schuhmann, W.; Masa, J., Insights into the formation, chemical stability and activity of transient NiyP@NiOx core-shell heterostructures for the oxygen evolution reaction. ACS Appl. Energy Mat. 2020, 3, 2304-2309, https://doi.org/10.1021/acsaem.9b02481.

Kazakova, M. A.; Morales, D. M.; Andronescu, C.; Elumeeva, K.; Selyutin, A. G.; Ishchenko, A. V.; Golubtsov, G. V.; Dieckhöfer, S.; Schuhmann, W.; Masa, J., Fe/Co/Ni mixed oxide nanoparticles supported on oxidized multi-walled carbon nanotubes as electrocatalysts for the oxygen reduction and the oxygen evolution reactions in alkaline media. Catal. Today, 2020, 357, 259-268, https://doi.org/10.1016/j.cattod.2019.02.047.

Morales, D. M.; Kazakova, M. A.; Dieckhöfer, S.; Selyutin, A. G.; Golubtsov, G. V.; Schuhmann, W.; Masa, J., Trimetallic Mn-Fe-Ni oxide nanoparticles supported on multi-walled carbon nanotubes as high-performance bifunctional ORR/OER electrocatalyst in alkaline media. Adv. Funct. Mater. 2020, 30, 1905992, https://doi.org/10.1002/adfm.201905992.

Öhl, D.; Franzen, D.; Paulisch, M.; Dieckhöfer, S.; Barwe, S.; Andronescu, C.; Manke, I.; Turek, T.; Schuhmann, W., Catalytic reactivation of industrial oxygen depolarized cathodes by in situ generation of atomic hydrogen. ChemSusChem 2019, 12, 2732-2739, doi.org/10.1002/cssc.201900628.

Barwe, S.; Weidner, J.; Cychy, S.; Morales, D. M.; Dieckhöfer, S.; Hiltrop, D.; Masa, J.; Muhler, M.; Schuhmann, W., Electrocatalytic oxidation of 5-(Hydroxymethyl)furfural using high-surface-area nickel boride. Angew. Chem., Int. Ed. 2018, 57, 11460-11464, https://doi.org/10.1002/anie.201806298. German Edition: Angew. Chem. 2018, 130, 11631-11636, https://doi.org/10.1002/ange.201806298.

Stefan Dieckhöfer
Stefan.Dieckhoefer(at)ruhr-uni-bochum.de

Group: Prof. Schuhmann, Chair of Analytical Chemistry, Ruhr-Universität Bochum