Skip to content

Research at St Andrews

Electrocatalytic ammonia synthesis via a proton conducting oxide cell with BaCe0.5Zr0.3Y0.16Zn0.04O3-δ electrolyte membrane

Research output: Research - peer-reviewArticle

DOI

Author(s)

S. Klinsrisuk, John T. S. Irvine

School/Research organisations

Abstract

Ceramic membrane cells of BaCe0.5Zr0.3Y0.16Zn0.04O3-δ (BCZYZ) have been developed for electrocatalytic ammonia syn-thesis. Unlike the high-pressure Haber-Bosch process, an atmospheric synthesis of ammonia was attempted in this work. The membrane cells were fabricated by tape casting and the electrode materials were applied by ion impregnation. The impregnated electrodes comprised NiO/CeO2 composite anode and iron oxide cathode. The formation of ammonia was studied in the range of 400–500 °C. The addition of Pd catalyst into the iron oxide cathode enhanced the ammonia forma-tion rate while the addition of Ru improved only the electrochemical performance. The highest ammonia formation rate of 4 × 10−9 mol s−1 cm−2 was obtained from Pd-modified cell at 450 °C. The current efficiency of ammonia formation was in the range of 1–2.5% while that of H2 evolution varied from 0 to 60% depending on applied potentials. The total current efficiency close to 100% was obtained from Pd-modified cell.
Close

Details

Original languageEnglish
Pages (from-to)41-50
Number of pages10
JournalCatalysis Today
Volume286
Early online date2 Jul 2016
DOIs
StatePublished - 15 May 2017

    Research areas

  • Ammonia production, Solid oxide membrane, Iron oxide catalyst, Pd catalyst, Ion impregnation

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

View graph of relations

Related by author

  1. Performance improvement of a direct carbon solid oxide fuel cell through integrating an Otto heat engine

    Xu, H., Chen, B., Tan, P., Zhang, H., Yuan, J., Irvine, J. T. S. & Ni, M. 7 Apr 2018 In : Energy Conversion and Management. 165, p. 761-770 10 p.

    Research output: Research - peer-reviewArticle

  2. Nanocrystalline CeO2-δ coated β-MnO2 nanorods with enhanced oxygen transfer property

    Huang, X., Zhao, G., Chang, Y., Wang, G. & Irvine, J. T. S. 9 Jan 2018 In : Applied Surface Science. 440, p. 20-28

    Research output: Research - peer-reviewArticle

  3. Mechanism of enhanced performance on a hybrid direct carbon fuel cell using sawdust biofuels

    Li, S., Jiang, C., Liu, J., Tao, H., Meng, X., Connor, P., Hui, J., Wang, S., Ma, J. & Irvine, J. T. S. 15 Apr 2018 In : Journal of Power Sources. 383, p. 10-16 7 p.

    Research output: Research - peer-reviewArticle

  4. Themed issue on advances in solid state chemistry and its applications

    Kirk, C. A., Morrison, F. D., Skakle, J., Sinclair, D. C. & Irvine, J. T. S. 7 Apr 2018 In : Journal of Materials Chemistry A. 6, 13, p. 5241-5242 2 p.

    Research output: Research - peer-reviewEditorial

Related by journal

  1. Impact of the annealing temperature on Pt/g-C3N4 structure, activity and selectivity between photodegradation and water splitting

    Caux, M., Fina, F., Irvine, J. T. S., Idriss, H. & Howe, R. 1 Jun 2017 In : Catalysis Today. 287, p. 182-188 7 p.

    Research output: Research - peer-reviewArticle

  2. The effect of UTL layer connectivity in isoreticular zeolites on the catalytic performance in toluene alkylation

    Žilková, N., Eliášová, P., Al-Khattaf, S., Morris, R. E., Mazur, M. & Čejka, J. 15 Nov 2016 In : Catalysis Today. 277, Part 1, p. 55-60 6 p.

    Research output: Research - peer-reviewArticle

  3. Germanosilicate UTL and its rich chemistry of solid-state transformations towards IPC-2 (OKO) zeolite

    Mazur, M., Kubů, . M., Wheatley, P. S. & Eliášová, P. 1 Apr 2015 In : Catalysis Today. 243, p. 23–31 9 p.

    Research output: Research - peer-reviewArticle

  4. Photocatalytic H2 generation from spinels ZnFe2O4, ZnFeGaO4 and ZnGa2O4

    Xu, X., Azad, A. K. & Irvine, J. T. S. 1 Jan 2013 In : Catalysis Today. 199, p. 22-26 5 p.

    Research output: Research - peer-reviewArticle

ID: 243685610