For the application of fuel cells in the market place, fuel cell components such as membranes, electrodes, and gas diffusion layers (GDLs) must be mass-produced to significantly reduce their cost. Variations of the physical properties of these components may affect the performance, durability, and reliability of the fuel cell operation and may result in the premature failure of the fuel cell. HNEI researchers used a segmented fuel cell to identify manufacturing defects in gas diffusion electrodes. Testing revealed the type of defect, such as pin holes and local variation in the PTFE content of the gas diffusion layer, and their location in the gas diffusion electrode.

Point Person: Jean St-Pierre

 

Papers & Proceedings