Fig. 2: SEM images of proton-conducting electrochemical cell with slurry coated electrolyte layer. | Communications Chemistry

Fig. 2: SEM images of proton-conducting electrochemical cell with slurry coated electrolyte layer.

From: Ammonia-fed reversible protonic ceramic fuel cells with Ru-based catalyst

Fig. 2

a Representative cross-sectional SEM of the RePCEC “button” cell comprised of a ~500 μm thick porous Ni-BCZYYb (BaCe0.7Zr0.1Y0.1Yb0.1O3-δ) cermet electrode support with a ~4 μm-thick dense BCZYYbN electrolyte (BaCe0.7Zr0.1Y0.1Yb0.1Ni0.04O3-δ) and a ~20 μm-thick porous BCFZY (BaCo0.4Fe0.4Zr0.1Y0.1O3-δ) triple-conducting oxide cathode. b High magnification of negatrode showing proton conducting phase (BCZYYb) and electron conducting phase (Ni, with nano-pores), c High magnification of positrode showing nano-sized catalyst. d High magnification of electrolyte showing visible grain boundary between single grains. e Surface view of grains in the electrolyte.

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