Microscopy from Scientific Research

SEM cross-sectional images of DB-electrodes fabricated using inks without NCF. Red dashed lines represent a boundary between the catalyst layer and the underlying PTL and serve as guides for visualization. Active area: 5 cm2. Anode PTE: Co3O44.4 ± 0.26 mg cm-2. Cathode GDE: 0.6 ± 0.1 mgPtcm-2. Membrane: 80 μm PiperION-A AEM. Temperature: 80°C. Electrolyte: 0.5 M KOH. The error bars represent the spread between three independent experiments. Error bars represent the standard deviation of three measurements.

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