High-temperature characterization of oxygen-deficient K2NiF4-type Nd2−xSrxNiO4−δ (x = 1.0–1.6) for potential SOFC/SOEC applications

Author:

Kravchenko Ekaterina12345,Khalyavin Dmitry6789,Zakharchuk Kiryl12345,Grins Jekabs10111213,Svensson Gunnar10111213,Pankov Vladimir14151617,Yaremchenko Aleksey12345

Affiliation:

1. CICECO

2. Department of Materials and Ceramic Engineering

3. University of Aveiro

4. 3810-193 Aveiro

5. Portugal

6. ISIS Facility

7. Rutherford Appleton Laboratory

8. Didcot

9. UK

10. Department of Materials and Environmental Chemistry

11. Stockholm University

12. SE-106 91 Stockholm

13. Sweden

14. Department of Chemistry

15. Belarusian State University

16. 220030 Minsk

17. Belarus

Abstract

Substitution by strontium induces significant oxygen deficiency in the crystal lattice of K2NiF4-type Nd2−xSrxNiO4−δ at elevated temperatures which, in combination with significant electronic conductivity, implies enhanced mixed ionic–electronic transport.

Publisher

Royal Society of Chemistry (RSC)

Subject

General Materials Science,Renewable Energy, Sustainability and the Environment,General Chemistry

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