Abstract
ZnO/NiO nanocomposite electrodes have successfully been developed using a cost-effective method, and for the first time used in LT-SOFCs at 300-600 °C. They exhibit high conductivity and a dual catalytic functionality in both the cathode and the anode for the electrochemical reduction of O 2 and oxidation of H2, respectively. An excellent fuel cell performance, e.g. a maximum power density of 1107 W cm- 2, has been shown for a symmetrical fuel cell that contained ZnO/NiO nanocomposite electrodes at 500 °C. To our knowledge, to date this is by far the highest power density achieved at this temperature.
| Original language | English |
|---|---|
| Pages (from-to) | 917-920 |
| Number of pages | 4 |
| Journal | Electrochemistry Communications |
| Volume | 13 |
| Issue number | 9 |
| DOIs | |
| State | Published - Sep 2011 |
| Externally published | Yes |
Keywords
- Composite electrodes
- Nanocomposites
- SOFCs
- ZnO/NiO
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