Abstract
An experiment of a single direct methanol fuel cell (DMFC) was conducted at Fuel Cell laboratory of Tsinghua University, China in collaboration with University of Tsukuba, Japan. Influences of the anodic methanol solution's concentration, the cathodic air flow rate, and the cathodic oxygen gas flow rate on the single DMFC performance were investigated to optimize operating conditions of the fuel cell. The experimental results have shown that the single DMFC can reach the peak power density of 0.170 W/cm2 with the current of 0.515 A/cm2 under the condition of the concentration of methanol solution of 2M and the flow rate of oxygen gas of 80 mL/min.
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