POLYMERELEKTROLYTBRENNSTOFFZELLEN, PEFC (ELEKTROCHEMISCHE TECHNIK); MATERIALPRÜFUNG, MATERIALEIGENSCHAFTEN (MATERIALWISSENSCHAFTEN); DIFFUSION (PHYSIK VON MOLEKULARSYSTEMEN); COMPUTERSIMULATION; KATALYSATOREN (CHEMISCHE REAKTIONEN); POLYMERIC ELECTROLYTE FUEL CELLS, PEFC (ELECTROCHEMICAL ENGINEERING); MATERIALS TESTING, MATERIALS PROPERTIES (MATERIALS SCIENCE); DIFFUSION (PHYSICS OF MOLECULAR SYSTEMS); COMPUTER SIMULATION; CATALYSTS (CHEMICAL REACTIONS)