Fig. 1

Various micro-monolithic anode supports after sintering at 1450 °C. SEM images of central-axis-view of: a 3, b 4, and c 7 channels; Cross-sectional images of d sponge between the shell and two channels in the 7-channel anode, e sponge between the central channel and surrounding two channels in the 7-channel anode; f close-up image of anode/electrolyte interface