Philipp Oppek, M.Eng.

Philipp Oppek, M.Eng.

  • Institute for Applied Materials – Electrochemical Technologies (IAM-ET)

    Adenauerring 20b
    Gebäude 50.40
    D-76131 Karlsruhe 


  • Oct. 2017 - Feb. 2021: Professional activity at Schaeffler Technologies AG & Co. KG, sub-project manager process development screen printing for PEM fuel cells.
  • Oct. 2018 - Dec. 2021: Dual master's degree in mechanical engineering (M.Eng.), Baden-Württemberg Cooperative State University & Schaeffler Technologies AG & Co. KG
    Master thesis at IAM-ET:"Experimental investigation of the influences of operating parameters on PEM fuel cells using design of experiments".
  • Dec. 2017 - Feb. 2018: Certificate program Mechanical Engineerig, Wilhelm Büchner University of Applied Sciences.
  • Oct. 2014 - Sep. 2017: Dual bachelor's degree program in mechanical engineering (B.Eng.), Baden-Wuerttemberg Cooperative State University Mannheim & Schaeffler Technologies AG & Co. KG
Stay abroad
  • Mar. 2022 - Aug. 2022: Spatially resolved measurements on PEM fuel cells at the University of Hawaii

Research topic

Research project
  • Project: Production and structure optimized metal flow field for bipolar plates (ProStroM)
  • Project partners: Schaeffler AG, Bender GmbH, Karlsruhe University of Applied Sciences, Center for Solar Energy and Hydrogen Research Baden-Württemberg (ZSW)
Development of spatially resolved measurement technology and segmented cell housing
  • Further development and commissioning of a test bench for polymer electrolyte membrane fuel cells (PEMFCs)
  • Development of measurement technology for local application of impedance spectroscopy
  • Design of a segmented cell housing with variably adjustable contact pressure per segment
Spatially resolved characterization of PEM fuel cells
  • Electrochemical characterization of loss processes in PEMFCs along the gas channel
  • Metrological investigation of PEM fuel cells using steady-state and dynamic measurement methods (polarization curves, electrochemical impedance spectroscopy, etc.)
  • Detailed analysis of impedance spectra using distribution of relaxation times (DRT) along the gas channel
  • Spatially resolved investigation of the interaction between gas channel and active components
  • Analysis of the influence of different fuel cell components (MEA, GDL, bipolar plate, flow structures etc.) on the loss processes along the gas channel
Segmented cell housing
Circuit board for spatially resolved acquisition of current and voltage data
Spatially resolved analysis of the loss processes along the gas channel


Exsitu analysis of the interaction between 3D flow field structures and gas diffusion layers of a PEMFCBachelor thesisPhilipp OppekYannik Duddasince 11/2022
Spatially resolved methodology for the investigation of loss processes in PEM fuel cellsMaster thesisPhilipp OppekMischa Geörgsince 06/2022
Design and commissioning of a contact resistance test system for PEM fuel cellsTechnician thesisPhilipp OppekPhilipp Wunschcompleted 06/2022

Development of a measuring device to perform spatially resolved
measurements on PEM fuel cells

Bachelor thesisPhilipp OppekYannick Fischercompleted 03/2022

Research assistants


Further development of a PEMFC test bench and spatially resolved measurement technology

Development of evaluation routines

Philipp OppekYannick Fischersince 03/2022

Design and manufacturing of segmented fuel cells

Commissioning of measurement technology for spatially resolved analysis

Philipp OppekMischa Geörguntil 06/2022

Setup of a PEMFC test bench for spatially resolved analysis

Philipp OppekMarvin Dornuntil 03/2022

Publications and Conference Contributions

Conference Contributions

  1. P. Oppek, M. Geörg, T. Goosmann, A. Weber, T. Reshetenko, U. Krewer, „ Spatially Resolved Deconvolution of Loss Processes in PEM Fuel Cells”, 241st ECS Meeting, Vancouver, 29.05.2022-02.06.2022 (talk)

  2. T. Goosmann, S. Raab, P. Oppek, A. Weber, E. Ivers-Tiffée, „Impedance-Based, Multi-physical DC-Performance-Model for a PEMFC Stack”, 241st ECS Meeting, Vancouver, 29.05.2022-02.06.2022 (talk)

  3. P. Oppek, T. Goosmann, J. Haußmann, A. Weber, „Methodology using design of experiments to maximize PEMFC performance”, 25th European Fuel Cell Forum, Online-Konferenz, 29.06.-02.07.2021 (talk)

  4. T. Goosmann, M. Heinzmann, P. Oppek, K. Schwab, P. Föllmer, A. Weber, "Impedance-based, spatially resolved DC-Performance Model for PEMFC", 25th European Fuel Cell Forum, Online-Konferenz, 29.06. - 02.07.2021 (Poster)