Electrochemical Impedance Spectroscopy-based Screening of Membrane Effects via Gas Diffusion Electrode Half-Cells for PEMFC Performance Optimization

Key Points

• The aim is to optimize the performance of polymer electrolyte membrane fuel cells by screening membrane effects using electrochemical impedance spectroscopy.
• Utilized electrochemical impedance spectroscopy for analysis
• Employed gas diffusion electrode half-cells
• Conducted performance evaluations under various conditions
• Identified critical membrane performance factors
• Demonstrated improved understanding of durability issues
• Enhanced performance indicators through optimized conditions