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| Thinking | PEM Fuel Cells Hi I am making a PEM fuel cell and am using a 10cm * 10cm Nafion 112 membrane, However I am having trouble with electrodes, please can you advise me what materials I can use as electrodes? Platinum is too expensive, I hear carbon is second best but as I’m short on time is there any other material I can use too that’s more available? Also What voltage should I use to charge my PEM? Many thanks Dominic | |
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| Questioning | Re: PEM Fuel Cells Quote:
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| | #3 (permalink) | |
| Creating | Re: PEM Fuel Cells Start by reading about water fuel cells, Physics Today 59(10) 38 (2006) You need a platinum group catalyst, typically dispersed on carbon or electrolessly plated. If you do not have catalyst bed porosity, how do reactants get into the fuel cell? ---------------- Uncle Al http://www.mazepath.com/uncleal/ (Toxic URL! Unsafe for children and most mammals) http://www.mazepath.com/uncleal/lajos.htm#a2 | |
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| | #4 (permalink) | |
| Thinking | Re: PEM Fuel Cells thanks for the replies, "You need a platinum group catalyst" so nickel or uranium them? "If you do not have catalyst bed porosity, how do reactants get into the fuel cell?" - i have no idea what that means, however heres a CG pic ![]() based on PIC: http://i12.photobucket.com/albums/a2...z/IM000191.jpg | |
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