You are here : Home > Gérard GEBEL

Profile | Materials | Renewable energies

Gérard GEBEL


Published on 16 April 2024

Gérard GEBEL

Dr. hab. , CEA Fellow - ​Scientific advisor of the department of Technologies of New​ Materials

After a PhD in collaboration with an industrial, Gérard Gebel has been recruited to work on membranes in 1989 in the CEA basic research division and he created a research group on Ion Conducting Polymers in 1996.

​H​e moved to the technological research division as scientific advisor of the department of new mateirals in 2014.





  • 0 staff
  • 0 postdocs​
  • 5 PhD students​​​​​

Research Activities​
Specialist of the structural study of ion conducting membranes for PEMFC fuel cells especilly by X-ray and neutron scattering and of operando studies of the water management in fuel cells.

Articles et conférences marquants : 

  • Structural evolution of water swollen perfluorosulfonated ionomers from dry membrane to solution, Polymer, 2000, DOI: 10.1016/S0032-3861(99)00770-3
  • Fibrillar structure of Nafion: Matching Fourier and real space studies of corresponding films and solutionsMacromolecules, 2004, DOI: 10.1021/ma049683j
  • Three-dimensional analysis of Nafion layers in fuel cell electrodes, Nature Communication, 2014,  DOI: 10.1038/ncomms6229
  • Disentangling water, ion and polymer dynamics in an anion exchange membrane, Nature Materials, 2022, DOI: 10.1038/s41563-022-01197-2
  • Detailed Catalyst Layer Structure of Proton Exchange Membrane Fuel Cells from Contrast Variation Small-Angle Neutron Scattering, ACSApplied Energy Materials, 2023, DOI: 10.1021/acsaem.2c02384

Selected patents: 

  • 2019 | Procédé de p réparation d'oxydes de métaux de transition lithiés, EP3629400
  • 2019 | Procédé de préparation d'un électrolyte gélifié, EP3629413
  • 2023 | Procédé de dispersion et recyclage de Nafion via l’utilisation de liquide ionique, DD23423