Skip to content

Research at St Andrews

Characterisation of lower temperature sintered zinc-doped barium calcium niobate proton conducting electrolytes

Research output: Contribution to journalArticlepeer-review

DOI

Author(s)

Gil De Araujo Lamas Viana, John Thomas Sirr Irvine

School/Research organisations

Abstract

The densification of Ba3Ca1.18Nb1.82O8.73 (BCN18) at 1325 degrees C has been improved by the addition of ZnO, resulting in the new proton conducting material, Ba-3(Ca1.18Nb1.70Zn0.12)O-8.55 (BCNZ18). As for Ba3Ca1.18Nb1.82O8.73, Ba-3(Ca1.18Nb1.70Zn0.12) O-8.55 is found to be a mixed conductor; with both electronic and ionic conductivity under different atmospheres. By increasing the sintered density of Ba-3(Ca1.18Nb1.70Zn0.12)O-8.55, the total conductivity has increased by decreasing the grain boundary contribution. Once the sample is hydrated under wet 5% H-2/Ar, Ba-3(Ca1.18Nb1.70Zn0.12)O-8.55 behaves as a pure ionic conductor below 550 degrees C, due mainly to proton conduction. At 500 degrees C the value of conductivity measured for Ba-3(Ca1.18Nb1.70Zn0.12)O-8.55 under 5% H-2/Ar was 7.32 x 10(-4) S cm(-1). Overall, this material has shown to be a promising electrolyte material for high temperature electrochemical devices.

Close

Details

Original languageEnglish
Pages (from-to)8506-8511
Number of pages6
JournalJournal of Materials Chemistry
Volume20
Issue number39
DOIs
Publication statusPublished - 2010

    Research areas

  • ELECTRICAL-CONDUCTIVITY, BA3CA1.18NB1.82O9-DELTA

Discover related content
Find related publications, people, projects and more using interactive charts.

View graph of relations

Related by author

  1. Enhancing electrochemical CO2 reduction using Ce(Mn,Fe)O2 with La(Sr)Cr(Mn)O3 cathode for high-temperature solid oxide electrolysis cells

    Lee, S., Kim, M., Lee, K. T., Irvine, J. T. S. & Shin, T. H., 12 May 2021, In: Advanced Energy Materials. Early View, 12 p., 2100339.

    Research output: Contribution to journalArticlepeer-review

  2. Durability of La0.20Sr0.25Ca0.45TiO3-based SOFC anodes: identifying sources of degradation in Ni and Pt/ceria co-impregnated fuel electrode microstructures

    Price, R., Weissen, U., Grolig, J. G., Cassidy, M., Mai, A. & Irvine, J. T. S., 8 Apr 2021, In: Journal of Materials Chemistry A. 15 p.

    Research output: Contribution to journalArticlepeer-review

  3. Achieving strong coherency for a composite electrode via one-pot method with enhanced electrochemical performance in reversible solid oxide cells

    Tian, Y., Wang, W., Liu, Y., Naden, A., Xu, M., Wu, S., Chi, B., Pu, J. & Irvine, J. T. S., 19 Mar 2021, In: ACS Catalysis. 11, 6, p. 3704-3714 11 p.

    Research output: Contribution to journalArticlepeer-review

  4. Alkaline modified A-site deficient perovskite catalyst surface with exsolved nanoparticles and functionality in biomass valorisation

    Umar, A., Neagu, D. & Irvine, J. T. S., 1 Mar 2021, In: Biofuel Research Journal. 8, 1, p. 1342-1350 9 p.

    Research output: Contribution to journalArticlepeer-review

  5. Non-stoichiometry, structure and properties of proton-conducting perovskite oxides

    Li, S. & Irvine, J. T. S., Mar 2021, In: Solid State Ionics. 361, 115571.

    Research output: Contribution to journalReview articlepeer-review

Related by journal

  1. Journal of Materials Chemistry (Journal)

    Finlay Morrison (Reviewer)

    2008 → …

    Activity: Publication peer-review and editorial work typesPeer review of manuscripts

  2. Journal of Materials Chemistry (Journal)

    John Thomas Sirr Irvine (Member of editorial board)

    2007 → …

    Activity: Publication peer-review and editorial work typesEditor of research journal

Related by journal

  1. Long-range exciton diffusion in non-fullerene acceptors and coarse bulk heterojunctions enable highly efficient organic photovoltaics

    Sajjad, M. T., Ruseckas, A., Jagadamma, L. K., Zhang, Y. & Samuel, I. D. W., 21 Jul 2020, In: Journal of Materials Chemistry. 8, 31, p. 15687-15694 8 p.

    Research output: Contribution to journalArticlepeer-review

  2. Hexagonal perovskite related oxide ion conductor Ba3NbMoO8.5: phase transition, temperature evolution of the local structure and properties

    Chambers, M. S., McCombie, K. S., Auckett, J. E., McLaughlin, A. C., Irvine, J. T. S., Chater, P. A., Evans, J. S. O. & Evans, I. R., 28 Nov 2019, In: Journal of Materials Chemistry. 7, 44, p. 25503-25510 8 p.

    Research output: Contribution to journalArticlepeer-review

  3. Magneto-structural correlations of novel kagomé-type metal organic frameworks

    H. Mohideen, M. I., Lei, C., Tuček, J., Malina, O., Brivio, F., Kasneryk, V., Huang, Z., Mazur, M., Zou, X., Nachtigall, P., Čejka, J. & Morris, R. E., 14 Jun 2019, In: Journal of Materials Chemistry. 7, 22, p. 6692-6697 6 p.

    Research output: Contribution to journalArticlepeer-review

  4. Revealing resonance effects and intramolecular dipole interactions in the positional isomers of benzonitrile-core thermally activated delayed fluorescence materials

    Kukhta, N. A., Higginbotham, H. F., Matulaitis, T., Danos, A., Bismillah, A. N., Haase, N., Etherington, M. K., Yufit, D. S., McGonigal, P. R., Gražulevičius, J. V. & Monkman, A. P., 14 Aug 2019, In: Journal of Materials Chemistry. 7, 30, p. 9184-9194 11 p.

    Research output: Contribution to journalArticlepeer-review

  5. STA-27, a porous Lewis acidic scandium MOF with an unexpected topology type prepared with 2,3,5,6-tetrakis(4-carboxyphenyl)pyrazine

    Prasad, R., Seidner, S., Cordes, D. B., Lozinska, M., Dawson, D., Thompson, M., Düren, T., Chakarova, K., Mihaylov, M., Hadjiivanov, K., Hoffmann, F., Slawin, A. M. Z., Ashbrook, S. E., Clarke, M. & Wright, P., 14 Mar 2019, In: Journal of Materials Chemistry. 7, 10, p. 5685-5701

    Research output: Contribution to journalArticlepeer-review

ID: 6326118

Top