Active Dmfc Anode Negative Terminal Methanol And Water Mixture Methanol Sensor Methanol Tank Carbon Dioxide Out Positive 1 (55.13 KiB) Viewed 19 times
Active DMFC Anode Negative terminal Methanol and water mixture Methanol sensor Methanol tank Carbon dioxide out Positive Cathode terminal+ Air and water vapour out Anode Cathode Water separator and store Control valve for water resupply system Pump or control valve Pump Air in Electrolyte Figure 6.3 The main components of an 'active' DMFC system. Not all the components will always be present. Larger systems may have additional components, such as heat-exchangers in the fuel system for cooling, air pumps and methanol condensers in the CO₂ outlet pipe. Note that the electrode connections are shown at the edge for simplicity; normally, the current will be taken off the whole face of the electrode, as in Figure 1.8, Chapter 1.
(b) However, some water will be lost with the carbon dioxide. If the gas bubbling off from the anode is a mixture of carbon dioxide and water vapor in the mass ratio 1:X, use EXCEL or similar to show how the water recovery needed rises with the value of X.
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