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Abstract

Direct Methanol Fuel Cell, DMFC is a kind of fuel cell using methanol as a fuel for electric producing. Methanol is low cost chemical substance and it is less harmful than that of hydrogen fuel. From these
reasons it can be commercial product. The electrocatalytic reaction of methanol fuel uses Pt-Ru metals as
the most efficient catalyst. In addition, the property of membrane and system designation are also effect to
the fuel cell efficient. Because of low power of methanol fuel cell therefore, direct methanol fuel cell is proper
to use for the energy source of small electrical devices and vehicles etc.