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Keywords:

  • catalyst deposition;
  • energy conversion and storage;
  • microfluidic fuel cell;
  • X-ray computed tomography;
  • CO2 reduction
Thumbnail image of graphical abstract

The front cover shows the three-dimensional rendering of a gas diffusion electrode, used in fuel cells and CO2 electrolyzers, where a thin, uniform, and crack-free catalyst layer is crucial to efficient operation. On page 589, Paul J. A. Kenis and co-workers employ coupled micro-computed X-ray tomography and electrochemical analyses to characterize electrode structure–performance relationships as a function of catalyst layer deposition methodology. Cover image: Alex Jerez, The Imaging Technology Group at Beckman Institute.