Abstract
Ultrafine powders with applicability in solid oxide fuel cells (SOFCs) were prepared by a novel method based on a polyacrylamide gel-combustion process: Zr0.84Y0.16O1.92 (8YSZ), Ce0.8Gd0.2O1.9 (CGO), La0.9Sr0.1Ga0.8Mg0.2O2.85 (LSGM), La2Mo2O9, La0.8Sr0.2CoO3-δ (LSC) and La0.8Sr0.2FeO3-δ (LSF). Synthesized powders present desirable characteristics for powder consolidation and sintering, including nanometric crystal size (10-40 nm), narrow size distribution and the possibility of aggregate disagglomeration via soft ball milling. A classical screen-printing method is presented as a novel thin dense layer deposition technique. First results on deposition of quasi-full-density thin films of 8YSZ (around 5 μm thick) were obtained at a sintering temperature of 1300 °C with sintering times of 10 h in air.
| Original language | English |
|---|---|
| Pages (from-to) | 256-264 |
| Number of pages | 9 |
| Journal | Journal of Power Sources |
| Volume | 118 |
| Issue number | 1-2 |
| DOIs | |
| Publication status | Published - 25 May 2003 |
| Externally published | Yes |
| Event | Scientific Advances in Fuel Cell Systems - Amsterdam, Netherlands Duration: 25 Sept 2002 → 26 Sept 2002 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- Acrylamide
- Dense electrolyte
- Methacrylamide
- SOFC
- Screen-printing
- Synthesis
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