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Catalytic carbon: Nitrogen‐doped porous carbon (CNx) electrocatalysts are derived from inexpensive melamine formaldehyde resins. These potential PEMFC catalysts are synthesized by using a facile method, which yields materials that contain a meso‐ and macroporous structure. The carbon‐based materials display attractive catalytic activity toward ORR and superior stability compared to a commercial Pt‐based catalyst.

The local reaction environment, especially the electrode-electrolyte interface and the relevant hydrodynamic boundary layer in the vicinity of cathode, plays a vital role in defining the activity and selectivity of...

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