KFC Posted November 6, 2007 Share Posted November 6, 2007 I was wondering why this fuel cell needs 3% methanol and if you gave it a higher percentage it make the output go up? Link to comment Share on other sites More sharing options...
insane_alien Posted November 6, 2007 Share Posted November 6, 2007 yes it would generate more power at higher concentrations. this however can be a bad thing. with more power comes more heat. seeing as this is not an industrial fuelcell equipped with insulation and a cooling system and probably intended for hobbyist usage it is probably helpful to prevent it getting hot enough it burn things including itself. especially with volatile flammable liquids around. Link to comment Share on other sites More sharing options...
KFC Posted November 6, 2007 Author Share Posted November 6, 2007 What is the highest concentration that i could use without heat being an issue or is that 3%? Link to comment Share on other sites More sharing options...
insane_alien Posted November 6, 2007 Share Posted November 6, 2007 might get 5% i don't think they'd release it to the public(there is always an idiot out there) without a safety margin. my advice would be to slowly increase the concentration and stop once it seems to be getting significantly warmer. unless of course the exchange membrane is somehow temperature sensitive and it'll stop working al together. Link to comment Share on other sites More sharing options...
KFC Posted November 8, 2007 Author Share Posted November 8, 2007 Cool, Thank you for the info on the fuel cell. Link to comment Share on other sites More sharing options...
DrDNA Posted November 9, 2007 Share Posted November 9, 2007 Before you spend $95 you might want to try to build a simple one of your own with some MEA, stainless steel screen and big band aids..... http://www.makezine.com/blog/archive/2006/06/how_to_build_your_own_band_aid.html Link to comment Share on other sites More sharing options...
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