Internal Steam Reforming of Partially Pre-Reformed Natural Gas In SOFC Stacks
Open Access
- 1 January 1997
- journal article
- Published by The Electrochemical Society in ECS Proceedings Volumes
- Vol. 1997-40 (1) , 228-234
- https://doi.org/10.1149/199740.0228pv
Abstract
Experiments have been carried out to determine the feasibility of operating Solid Oxide Fuel Cells with fuel gas mixtures of CH4, H2, H2O, CO2 and CO which would result from 6 to 16% pre-reforming of Victorian natural gas at steam/carbon ratios in the range 1.0 to 2.5. Electrode overpotentials and cell ohmic resistances were measured by the galvanostatic current interruption technique and anode off-gas composition was analysed by gas chromatography. Cell voltages under current load were recorded for up to 200 hours. The experimental data obtained on Ni based cermet anodes have been compared with modelled data using kinetic expressions derived in this laboratory and from the literature.Keywords
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