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Abstract
A combination of electroless and electrolytic techniques is used to incorporate nickel into a porous Ce0.9Gd0.1O1.90 scaffold. First a porous backbone was screen printed into a YSZ electrolyte using an ink that contains sacrificial pore formers. Once sintered, the scaffold was coated with silver using Tollens' reaction followed by electrodeposition of nickel in a Watts bath. At high temperatures the silver forms droplets enabling direct contact between the gadolinia-doped ceria and nickel. Using impedance spectroscopy analysis in a symmetrical cell a total area specific resistance of 1 Omega cm(2) at 700 degrees C in 97% H-2 with 3% H2O was found, indicating the potential of this fabrication method for scaling up. (C) 2015 The Authors. Published by Elsevier B.V.
Original language | English |
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Pages (from-to) | 81-89 |
Number of pages | 9 |
Journal | Journal of Power Sources |
Volume | 280 |
DOIs | |
Publication status | Published - 15 Apr 2015 |
Keywords
- SOFC anodes
- Electrodeposition
- Electroless deposition
- Nickel infiltration
- SOFC ANODES
- DOPED CERIA
- ELECTRODES
- ZIRCONIA
- CONDUCTIVITY
- IMPREGNATION
- PERFORMANCE
- OXIDATION
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Dive into the research topics of 'Metallizing porous scaffolds as an alternative fabrication method for solid oxide fuel cell anodes'. Together they form a unique fingerprint.Projects
- 1 Finished
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Advancing Biogas Utilization SOFC: Advancing Biogas Utilization through the Fuel Flexible SOFC
Irvine, J. T. S. (PI)
1/09/11 → 28/02/15
Project: Standard