12

re cu CO

Figure 3 The thermal cycle characteristics of single cells using silica/alumina for sealing materials

Endurance test, of ferrite alloy separator

Figure 4 shows the result of the cell endurance test with the heat-resisting ferrite alloy separator. High performance was obtained for 2000 hours at 900 °C. Thus, the ferrite alloy is expected to serve as a separator material for high-performance SOFCs.

Ferritic alloy containing rare earth

TTn i U1)| um I IHM IL m n lu Jj"1 " 'H II ^ '" " 1 u " 'MTT I

Current density : 0.3 A cm-2 Temp.: 900 °C Size : 50 mm x 50 mm

500 1000 1500 2000

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