It was recalled that the Cu-substituted vanadate, Bi2V0.9Cu0.1O5.35 (BICUVOX), exhibited high O-ion conductivities at low temperatures. The ionic conductivity (table 32) at 300C (about 0.001S/cm) was 50 to 100 times greater than that of any other solid electrolyte within this temperature range. The preparation of sinterable powder by means of solid-state reaction and conventional ceramic powder processing techniques was reported here. The results indicated that densities which were greater than 95% of the theoretical value could be obtained by sintering (800C, 10 to 20h).

S.P.Simner, D.Suarez-Sandoval, J.D.Mackenzie, B.Dunn: Journal of the American Ceramic Society, 1997, 80[10], 2563-8