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| Content Provider | The American Society of Mechanical Engineers (ASME) Digital Collection |
|---|---|
| Author | Ji, Yan Chung, J. N. Yuan, Kun |
| Copyright Year | 2006 |
| Abstract | The main objective of this paper is to examine the effects of transport geometry on the efficiency of an electrolyte-supported solid oxide fuel cell. A three-dimensional thermo-fluid-electrochemical model is developed to the influences of channel dimensions, rib width and electrolyte thickness on the temperature, mass transfer coefficients, species concentration, local current density and power density. Results demonstrate that decreasing the height of flow channels can significantly lower the average solid temperature and improve the cell efficiency due to higher heat/mass transfer coefficient between the channel wall and flow stream, and a shorter current path. However, this improvement is limited for the smallest channel. The cell with a thicker rib width and a thinner electrolyte layer has higher efficiency and lower average temperature. Numerical simulation will be expected to help optimize the design of a solid oxide fuel cell. |
| Sponsorship | Nanotechnology Institute |
| Starting Page | 767 |
| Ending Page | 775 |
| Page Count | 9 |
| File Format | |
| ISBN | 0791842479 |
| DOI | 10.1115/FUELCELL2006-97256 |
| e-ISBN | 0791837807 |
| Volume Number | ASME 2006 Fourth International Conference on Fuel Cell Science, Engineering and Technology, Parts A and B |
| Conference Proceedings | ASME 2006 4th International Conference on Fuel Cell Science, Engineering and Technology |
| Language | English |
| Publisher Date | 2006-06-19 |
| Publisher Place | Irvine, California, USA |
| Access Restriction | Subscribed |
| Subject Keyword | Channel geometry Solid oxide fuel cell Heat transfer Optimization Geometry Heat Solid oxide fuel cells Polarization (light) Polarization (waves) Mass transfer Polarization (electricity) |
| Content Type | Text |
| Resource Type | Article |
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