Fuel Cells By Vincent Iacono Copyright 2009
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For my final analysis, I would just like to say that the tap water is the best. I have come to the conclusion through my other experiments that this is because of the impurities within the water that help the hydrogen and oxygen get to the electrodes. I established this information through different links in my research. In the salt water solution, the voltage spiked at the beginning, but then dropped later. I think that this is because the salt has special characteristics that help feed the platinum lots of hydrogen, but the fuel is used up faster. The output of voltage is not as stable as the tap water. This shows me that the impurities in large amounts make the voltage large at first, and lower in the long run. With the tap water, there are small impurities, so there is a lot of voltage early, and it is stable. In the distilled water, there was relatively low voltage, but it made up for that by being more stable. The tap water takes characteristics from both of these different solutions, and ends up beating both in terms of voltage produced over time.
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