Ni-Doped Pr0.5Ba0.5CoO3+δ Perovskite with Low Polarization Resistance and Thermal Expansivity as a Cathode Material for Solid Oxide Fuel Cells
Abstract
1. Introduction
2. Results and Discussion
3. Preparation and Characterization
3.1. Experimental Preparation
3.2. Characterization
3.3. Electrochemical Test
4. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Sample | Space Group | a (Å) | c (Å) | V (Å) | x2 | Rwp (%) | Rp (%) |
---|---|---|---|---|---|---|---|
PBC | P4/mmm | 3.903786 | 7.627325 | 116.237 | 2.02 | 9.68 | 7.77 |
PBCN0.05 | P4/mmm | 3.909524 | 7.636684 | 116.722 | 2.39 | 8.93 | 7.91 |
PBCN0.1 | P4/mmm | 3.912615 | 7.642894 | 117.002 | 2.45 | 9.87 | 8.30 |
PBCN0.15 | P4/mmm | 3.914977 | 7.646315 | 117.195 | 2.50 | 9.47 | 8.09 |
Element | PBC Atom Ratio (%) | PBCNi0.1 Atom Ratio (%) |
---|---|---|
O | 61.37 | 61.29 |
Co | 19.79 | 17.68 |
Ni | - | 1.83 |
Ba | 9.67 | 9.81 |
Pr | 9.17 | 9.39 |
Total | 100.00 | 100.00 |
Sample | Electrolyte | Temperature (°C) | Rp (Ω·cm2) | TEC (K−1) (30–800 °C) | Reference |
---|---|---|---|---|---|
PBCF | LSGM | 700 | 0.221 | 21.0 × 10−6 | [22] |
PBC | LSGM | 700 | 0.07 | 23.5 × 10−6 | [23] |
LBSC | SDC | 800 | 0.081 | 26.2 × 10−6 | [24] |
NBC | LSGM | 800 | 0.078 | 17.1 × 10−6 | [25] |
PBCNi0.1 | SDC | 700 | 0.09 | 19.4837 × 10−6 | This work |
PBCNi0.1 | SDC | 800 | 0.041 | 19.4837 × 10−6 | This work |
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Sun, R.; Li, S.; Gao, L.; An, S.; Yan, Z.; Cao, H.; Guo, Q.; Li, M. Ni-Doped Pr0.5Ba0.5CoO3+δ Perovskite with Low Polarization Resistance and Thermal Expansivity as a Cathode Material for Solid Oxide Fuel Cells. Molecules 2025, 30, 1482. https://doi.org/10.3390/molecules30071482
Sun R, Li S, Gao L, An S, Yan Z, Cao H, Guo Q, Li M. Ni-Doped Pr0.5Ba0.5CoO3+δ Perovskite with Low Polarization Resistance and Thermal Expansivity as a Cathode Material for Solid Oxide Fuel Cells. Molecules. 2025; 30(7):1482. https://doi.org/10.3390/molecules30071482
Chicago/Turabian StyleSun, Runze, Songbo Li, Lele Gao, Shengli An, Zhen Yan, Huihui Cao, Qiming Guo, and Mengxin Li. 2025. "Ni-Doped Pr0.5Ba0.5CoO3+δ Perovskite with Low Polarization Resistance and Thermal Expansivity as a Cathode Material for Solid Oxide Fuel Cells" Molecules 30, no. 7: 1482. https://doi.org/10.3390/molecules30071482
APA StyleSun, R., Li, S., Gao, L., An, S., Yan, Z., Cao, H., Guo, Q., & Li, M. (2025). Ni-Doped Pr0.5Ba0.5CoO3+δ Perovskite with Low Polarization Resistance and Thermal Expansivity as a Cathode Material for Solid Oxide Fuel Cells. Molecules, 30(7), 1482. https://doi.org/10.3390/molecules30071482