Abstract
Dense and microcrack free yttria-stabilized zirconia (YSZ) was deposited onto porous NiO-YSZ anode tubes by dip coating without any vacuum assistance. The anode tubes were prepared by slip casting. Open circuit voltage of 1.05 V was obtained at 800°C, implying that the gas tightness of dip coating YSZ membranes is eligible for solid oxide fuel cell application. A fuel cell of Ni-YSZ/YSZ(20 μm) /La0.7Sr0.3MnO3-YSZ provides maximum power densities of 0.24 W/cm2, 0.46 W/cm 2, 0.81 W/cm2, and 1.1 W/cm2 at 650°C, 700°C, 750°C, and 800°C, respectively. The impedance data indicate that the resistivity of the YSZ electrolyte membrane is about 40.5 Ω cm at 800°C. At the same temperature, the electrode polarization resistance accounts for 74.8% of the cell's total resistance under maximum power density condition.
| Original language | English |
|---|---|
| Pages (from-to) | 110141-110145 |
| Number of pages | 5 |
| Journal | Journal of Fuel Cell Science and Technology |
| Volume | 7 |
| Issue number | 1 |
| DOIs | |
| State | Published - Feb 2010 |
| Externally published | Yes |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- Dip coating
- Electrolyte membranes
- Slip casting
- Solid oxide fuel cell
- Yttria-stabilized zirconia
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