How To Build a Hydrogen Fuel Cell

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Generating pollution-free electricity, the hydrogen fuel cell is a promising renewable energy technology. Watch it in action with this simple home-science project.

Tags: hho generator plans, hho system, digital efie, water fuel system

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Comments on How To Build a Hydrogen Fuel Cell

March 1, 2011

PsychoScientist007 @ 5:44 pm #

Hey dude I donno where to get platinum or plat-coated wire can u tell guide me about it ? besides I have a lot of Chrome wire would it work for this or any other metal wire work for this experiment ?

TheBikefish @ 5:44 pm #

@MaBuSt 9 volt battery

TheBikefish @ 5:44 pm #

are you sure i don't need depleted uranium for this?

violafinishda @ 5:44 pm #

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thodoristech @ 5:44 pm #

that is just a homemade capasitor

offertorycardiacml @ 5:44 pm #

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We need to put an end to this corruption ,start generating ur own electricity now.
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graywackeknifebdr @ 5:44 pm #

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legend4ever0 @ 5:44 pm #

Great and I have some questions which would be the best wire to use pure or platinum plated. Also couldn't you use a LED not a voltmeter to check whether it works

therealorberon @ 5:44 pm #

@cowgirl5155 kipkay could do it under $20

MaBuSt @ 5:44 pm #

@therealorberon thermodynamcally you need 1.23 volts (the gibbs free energy difference between (water) and (hydrogen+oxygen) to break up water. In practice it takes more than this voltage, because of little inefficiencies in the system having to do with the electrode material, water structure at the electrode, etc. You thus can get 1.23 volts out of recombining (hydrogen+oxygen) into (water), but now the real world inefficiencies will cause you to get less then that.

MaBuSt @ 5:44 pm #

@Jape1990 pure water is conductive above 1.23 volts thermodynamically and usually like 1.5+ in practical situations.

Tome4kkkk @ 5:44 pm #

@MaBuSt I've figured that one out myself but I think we all agree that howcast aims towards regular crowd, not engineers only :)

MaBuSt @ 5:44 pm #

uhhhhh, why was there 1.6 volts on that meter????? the thermodynamic voltage is 1.23 for the water reaction????? anyone else notice that bs… was that just from a 1.6 volt battery and it was being claimed to be the hydrogen -oxygen recombination?

roguemale57 @ 5:44 pm #

Such a simple process yet to move into production scale seems almost impossible-why?

Jape1990 @ 5:44 pm #

@StringsCrusader You're right. :/ I'm just saying D:

StringsCrusader @ 5:44 pm #

@Jape1990 … not just salt water. regular tap water will work fine. it just has to have some impurities. even if you take distilled water, and dip your hand in it, it would work.

PikkolaSophie96 @ 5:44 pm #

Im gunna have to do this with my dad or uncle…

Incuby @ 5:44 pm #

@000haker How about a Hydrogenbomb ;)

orang3c4rt @ 5:44 pm #

with all the mundane videos coming out lately i did not expect something actually interesting from howcast, good job for once lol XD

Routanne @ 5:44 pm #

@Tome4kkkk I know, that was more directed to howcast. They piss me off with their 1/2 facts.

Jape1990 @ 5:44 pm #

You need salt water…pure water is non conductive.

Tome4kkkk @ 5:44 pm #

@Routanne Easy there, buddy. I wasn't THAT critical :)

tigerspartan06 @ 5:44 pm #

rename this video to "How to make bubbles in Water".. lol

tigerspartan06 @ 5:44 pm #

@SaiE8 lol

s241914 @ 5:44 pm #

27 and not a virgin


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