Silica-scavenging effects in ceria-based solid electrolytes

Boletin de la Sociedad Espanola de Ceramica y Vidrio

Volumn 47, Issue 4, 2008, Pages 201-206

  Ivanova, D ^a   Kovalevsky, A ^a   Kharton, V V ^a   Marques, F M B ^a  

^a UNIVERSITY OF AVEIRO   (Portugal)

Author keywords

Ceria; Grain boundary; Scavenging effect; Silica

Indexed keywords

APATITE; CERIUM COMPOUNDS; CERIUM OXIDE; GLASS CERAMICS; GRAIN BOUNDARIES; LANTHANUM OXIDES; SILICA; SILICATES;

APATITE-TYPE LANTHANUM SILICATES; ELECTRICAL CHARACTERIZATION; ELECTRICAL PERFORMANCE; GADOLINIUM DOPED CERIA; GRAIN BOUNDARY CONDUCTIVITY; LANTHANUM SILICATES; MICRO-STRUCTURAL; SCAVENGING EFFECT;

SOLID ELECTROLYTES;

EID: 54949139545     PISSN: 03663175     EISSN: None     Source Type: Journal    
DOI: 10.3989/cyv.2008.v47.i4.175     Document Type: Article

References (17)

1. B.C.H. Steele, B.E. Powell and P.M.R. Moody, Anionic Conduction in Refractory Oxide Solid Solutions Possessing the Fluorite, Pyrochlore and Perovskite Structures, Proc. Brit. Ceram. Soc., 10 (1968) 87-102.
2. V.V. Kharton, F.M.B. Marques, A. Atkinson, Transport properties of solid oxide electrolyte ceramics: a brief review, Solid State Ionics, 174 (2004) 135-149.
3. H. Inaba, H. Tagawa, Ceria-based solid electrolytes, Solid State Ionics, 83 (1996) 1-16.
4. 2-y/2 electrolytes for IT-SOFCs operation at 500°C. Solid State Ionics, 129 (2000)95-110.
5. E. P. Butler and J. Drennan, Microstructural Analysis of Sintered High-Conductivity Zirconia with Al2O3 Additions, J. Am. Ceram. Soc., 65 [10] (1982) 474-478.
6. X. Guo, Chao-Qun Tang, Run-Zhang Yuan, Grain Boundary Ionic Conduction in Zirconia-based Solid Electrolyte with Alumina Addition, J. Eur. Ceram. Soc., 15 (1995) 25-32.
7. 2-χ, ceramics, Materials Letters 57 (2002) 124-129.
8. T.S. Zhang, J. Ma, L.B. Kong, S.H. Chan, P. Hing, J.A. Kilner, Iron oxide as an effective sintering aid and a grain boundary scavenger for ceria-based electrolytes, Solid State Ionics 167 (2004) 203-207.
9. 3 (Ln = La, Nd, Sm, Gd, Dy, Y, Ho, Er and Yb), J. Mater. Chem., 5 (1995) 1801-1805.
10. S. Tao, J.T.S. Irvine, Preparation and characterization of apatyte-type lanthanum silicates by a sol-gel process. Mat. Res. Bull., 36 (2001) 1245-1258.
11. 26-δ, J. Sol. St. Chem., 178 (2005) 2050-2061.
12. A. V. Kovalevsky, F. M. B. Marques, V. V. Kharton, F. Maxim, J. R. Frade, Silica-scavenging effect in zirconia electrolytes: assessment of lanthanum silicate formation, Ionics 12 (2006) 179-184.
13. L. Li, D.M. Strachan, H. Li, L.L. Davis, M. Qian, Crystallization of gadolinium- and lanthanum_containing phases from sodium alumino-borosilicate glasses, J. Non-Crystalline Sol., 272 (2000) 46-56.
14. 3 systems, Mat. Res. Bull., 33, 8 (1998) 1175-1183.
15. S.K. Tadokoro, E.N.S. Muccill, Effect of Y and Dy co-doping on electrical conductivity of ceria ceramics, J. Eur. Ceram. Soc., 27 (2007) 4261-4264.
16. X. Sha, Z. Lü, X. Huang, J. Miao, Z. Ding, X. Xin and W. Su, Study on La and Y co-doped ceria-based electrolyte material. J. Alloys and Compounds 428 (2007) 59-64.
17. S. Omar, E.D. Wachsman, J.C. Nino, A co-doping approach towards enhanced ionic conductivity in fluorite-based electrolytes, Solid State Ionics 177 (2006) 3199-3203.