Abstract
The effect on performance of single direct ethanol cell due to ethanol solution concentrations (5%, 10% and 15% by volume, ambient temperature (and), continuously changing of ambient temperature ( and), load resistance ( and) and air circulation through the cell were investigated experimentally in this research. The results showed that fuel cells have a high performance at high concentration of ethanol solution, high ambient temperature or operated in the wide range of continuously changing of ambient temperature. The performance was measured by the amount of the initial voltage, current and power obtained from fuel cell. But increasing air circulation through the fuel cell does not affect the performance of cell. The voltage and power drop obtained from the fuel cell increase with varying resistance load. But the current decreases with increases resistance load.
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