| 001 | 908849 | ||
| 005 | 20250514202225.0 | ||
| 024 | 7 | _ | |a 10.3390/en15082726 |2 doi |
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| 100 | 1 | _ | |a Vibhu, Vaibhav |0 P:(DE-Juel1)169490 |b 0 |e Corresponding author |
| 245 | _ | _ | |a Performance and Degradation of Electrolyte-Supported Single Cell Composed of Mo-Au-Ni/GDC Fuel Electrode and LSCF Oxygen Electrode during High Temperature Steam Electrolysis |
| 260 | _ | _ | |a Basel |c 2022 |b MDPI |
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| 520 | _ | _ | |a Ni-gadolinia-doped ceria (GDC) based electrode materials have drawn significant attention as an alternative fuel electrode for solid oxide cells (SOCs) owing to mixed ionic conductivity of GDC and high electronic and catalytic activity of Ni. Moreover, the catalytic activity and electrochemical performance of the Ni-GDC electrode can be further improved by dispersing small quantities of other metal additives, such as gold or molybdenum. Therefore, herein, we considered gold and molybdenum modified Ni-GDC electrodes and focused on the upscaling; hence, we prepared 5 × 5 cm2 electrolyte-supported single cells. Their electrochemical performance was investigated at different temperatures and fuel gas compositions. The long-term steam electrolysis test, up to 1700 h, was performed at 900 °C with −0.3 A·cm−2 current load. Lastly, post-test analyses of measured cells were carried out to investigate their degradation mechanisms. Sr-segregation and cobalt oxide formation towards the oxygen electrode side, and Ni-particle coarsening and depletion away from the electrolyte towards the fuel electrode side, were observed, and can be considered as a main reason for the degradation. Thus, modification of Ni/GDC with Au and Mo seems to significantly improve the electro-catalytic activity of the electrode; however, it does not significantly mitigate the Ni-migration phenomenon after prolonged operation |
| 536 | _ | _ | |a 1232 - Power-based Fuels and Chemicals (POF4-123) |0 G:(DE-HGF)POF4-1232 |c POF4-123 |f POF IV |x 0 |
| 588 | _ | _ | |a Dataset connected to CrossRef, Journals: juser.fz-juelich.de |
| 700 | 1 | _ | |a Vinke, Izaak C. |0 P:(DE-Juel1)129936 |b 1 |
| 700 | 1 | _ | |a Zaravelis, Fotios |0 P:(DE-HGF)0 |b 2 |
| 700 | 1 | _ | |a Neophytides, Stylianos G. |0 P:(DE-HGF)0 |b 3 |
| 700 | 1 | _ | |a Niakolas, Dimitrios K. |0 0000-0002-1365-413X |b 4 |
| 700 | 1 | _ | |a Eichel, Rüdiger-A. |0 P:(DE-Juel1)156123 |b 5 |
| 700 | 1 | _ | |a de Haart, L. G. J. |0 P:(DE-Juel1)129952 |b 6 |
| 773 | _ | _ | |a 10.3390/en15082726 |g Vol. 15, no. 8, p. 2726 - |0 PERI:(DE-600)2437446-5 |n 8 |p 2726 - |t Energies |v 15 |y 2022 |x 1996-1073 |
| 856 | 4 | _ | |u https://juser.fz-juelich.de/record/908849/files/energies-15-02726.pdf |y OpenAccess |
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