PEM Fuel Cell: Hydrogen Ion Diffusion Through Anode?

AI Thread Summary
In a PEM fuel cell, hydrogen ions must diffuse through the anode to reach the membrane, which is a crucial step in the overall process. The discussion raises concerns about the diffusion rate of these ions, especially when the anode is made of a metal like platinum (Pt). It is suggested that the diffusion through the anode could be slow due to the properties of the metal. Understanding the diffusion dynamics is essential for improving fuel cell efficiency. Overall, the efficiency of hydrogen ion transport through both the anode and membrane is vital for optimal PEM fuel cell performance.
mukhs
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Hey everyone, I was just wondering, in a PEM fuel cell the Hydrogen ion diffusion through the membrane is an important step. But don't these ions need to diffuse through the anode as well to reach the membrane? Also, if this is the case and the anode is a metal like Pt, wouldn't the diffusion through the anode be very slow?

Thanks,

Akaash
 
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