A Novel Molten Oxide Fuel Cell Concept
| Autor: | V. V. Belousov, S. V. Fedorov |
|---|---|
| Rok vydání: | 2016 |
| Předmět: |
Materials science
Renewable Energy Sustainability and the Environment Inorganic chemistry Oxide Energy Engineering and Power Technology 02 engineering and technology Electrolyte 010402 general chemistry 021001 nanoscience & nanotechnology Electrochemistry 01 natural sciences Cathode 0104 chemical sciences law.invention chemistry.chemical_compound Chemical engineering chemistry law Volume fraction Electrode Ionic conductivity Grain boundary 0210 nano-technology |
| Zdroj: | Fuel Cells. 16:401-403 |
| ISSN: | 1615-6846 |
| DOI: | 10.1002/fuce.201600031 |
| Popis: | We suggest a novel molten oxide fuel cell (MOFC) concept. The MOFC is based on the oxygen-ion-conducting solid/molten oxide electrolyte (so-called liquid-channel-grain-boundary-structure, LGBS, material) consisting of TeO2 solid grains and chemically compatible TeO2+Te4Bi2O11 liquid electrolyte at the grain boundaries. The intergranular liquid channels provide the LGBS mechanical plasticity (ductility), which makes it easy to shape and alleviates problems due to thermal incompatibility with electrodes (CTE), and high ionic conductivity. The volume fraction of liquid varied from 0.15 to 0.17 at 600–640 °C. The cell performance has been examined by standard electrochemical methods. With air used as a cathode gas, the single cell showed the power 11.5 mW cm−2 at the current density 90 mA cm−2, electrolyte thickness 2.5 mm, and temperature 640 °C. |
| Databáze: | OpenAIRE |
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