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Abstract
In this paper we examine the effect of doping phosphate into BaCe1−yAyO3−y/2 (A = Y, Yb, In). The samples were analysed through a combination of X-ray diffraction, TGA, Raman spectroscopy and conductivity measurements. The results showed that phosphate could be incorporated into this system up to the 10% doping level, although this required an increased Y/Yb/In content, e.g., BaCe0.6(Y/In/Yb)0.3P0.1O2.9. The phosphate doping was, however, shown to lead to a decrease in conductivity; although at low phosphate levels high conductivities were still observed, e.g., for BaCe0.65Y0.3P0.05O2.875, σ = 4.3 × 10−3 S cm−1 at 600 °C in wet N2. In terms of the effect of phosphate incorporation on the CO2 stability, it was shown to lead to a small improvement for the In containing samples, whereas the yttrium doped compositions showed no change in CO2 stability.
Original language | English |
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Article number | 00016 |
Pages (from-to) | 16-28 |
Journal | Inorganics |
Volume | 2 |
Early online date | 29 Jan 2014 |
DOIs | |
Publication status | Published - Mar 2014 |
Bibliographical note
This article belongs to the Special Issue Energy Storage and Conversion.Keywords
- perovskite
- proton conductor
- phosphate
- cerate
- oxyanions
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Dive into the research topics of 'Investigation into the incorporation of phosphate into BaCe1-yAyO3-y/2 (A=Y, Yb, In)'. Together they form a unique fingerprint.Projects
- 1 Finished
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Oxyyanion doping strategies for Solid Oxide Fuel Cell Materials
Slater, P. & Greaves, C.
Engineering & Physical Science Research Council
1/10/10 → 31/05/14
Project: Research Councils