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Journal of power sources, 2003-05, Vol.118 (1), p.218-227
Ort / Verlag
Lausanne: Elsevier B.V
Erscheinungsjahr
2003
Quelle
Alma/SFX Local Collection
Beschreibungen/Notizen
The removal characteristics of CO
2 in molten carbonate fuel cell (MCFC) were elucidated by the single cell whose electrode area was 81
cm
2 and electrolyte was 52Li
2CO
3/48Na
2CO
3. The experimental value of the CO
2 removal rate from cathode to anode was almost corresponding to the theoretical value. Cell voltage dropped drastically when concentration of CO
2 in cathode became 15% or less. This tendency showed strikingly, as concentration of O
2 in cathode became lower and lower. The cell performance is influenced with the
p
O
2
/
p
CO
2
ratio of the cathode gases, because cell voltage decreases by decreasing the
p
O
2
/
p
CO
2
ratio. Therefore, when the
p
O
2
/
p
CO
2
ratio is as low as the thermal power plant, it is necessary to add air to cathode for improving the cell performance. Consequently, the reduction target of CO
2 in COP3 can be achieved.