Grooved electrodes could improve the performance of proton-exchange membrane fuel cells

Proton-exchange membrane fuel cells (PEMFCs) are a promising energy solution for reducing carbon emissions in the transport sector. As suggested by their name, these cells contain a proton-conducting membrane based on polymer materials that serves as an electrolyte. While PEMFCs could have notable advantages, their cost, durability and the availability of the fuel required to operate them will need to improve before they can be implemented on a large-scale.

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