Abstract

The Back Cover picture illustrates oxygen incorporation and diffusion pathways for Sr-doped lanthanum manganite (LSM) electrodes with mixed ionic electronic conductivity. Novel electric bias-isotope exchange experiments under solid oxide fuel cell operation conditions reveal the interplay between grain/grain boundary diffusion, electrode reaction, and Wagner–Hebb-type polarization effects. More details can be found in the Article by J. Fleig et al. on page 1487 in Issue 10, 2015 (DOI: 10.1002/celc.201500167).

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