SYMW...In the SymPowerco Flowing Electrolyte Direct Methanol Fuel Cell or FE DMFC, the expensive PEM is replaced by a flowing electrolyte, sulfuric acid, the same acid found in automobile batteries. A PEM is also required in the FE DMFC but it can be a far less expensive PEM with much lower resistance. This cheaper PEM allows some crossover of methanol but the flowing electrolyte removes the methanol, thus increasing fuel cell efficiency by about 30%. The result is a lower cost and more efficient DMFC and a probable smoother and cheaper route to commercialization.
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