fig7

Figure 7. Structure of microtubular PCFCs. (A) Physical drawing of the microtubular PCFC; (B) the SEM cross-sectional image of the cell consisting of Ni-BZCYG4411 anode support| Ni-BZCYYb1711 functional layer|BZCYYb1711 electrolyte|cathode; (C) The electrolyte surface; (D) Typical cross-sectional SEM image of the microtubular PCFC with BSNCF; (E) The Ni-BZCYG4411 anode support after the stability test; (F) Morphology of PBSCF cathode.