CO 2 Concentration Using a Molten Carbonate Electrochemical Cell 820874

A molten carbonate fuel cell has been successfully tested as a carbon dioxide concentrator. We, here, examine cathode performance in terms of removal efficiency, voltage loss and current efficiency at oxidant CO2 levels typical of manned space cabin atmospheres. A system design based on this concept has the potential advantages of small size, low component cost and high current efficiency at low-CO2 levels. The disadvantages arrive from the penalties associated with the high-temperature operation.


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