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Thread: Hydrogen Fuel Cell (issue/questions)

  1. #1 Hydrogen Fuel Cell (issue/questions) 
    Forum Freshman Fmp2491's Avatar
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    Ok, so I was very reluctant to put this post in Chemistry. It has been a long time since I have posted in this forum, so let me first start by saying I missed it very much the ignorance out there on the internet is unmatched. Its a breath of fresh air to be back! Haha Ok, so having said that I have some questions and concerns I apologize in advance if this is posted in the wrong section of the forum but it falls into too many categories for me to tell which was best. (Feel free to move it as you see fit)


    Ok so I want to construct a HHO cell, a hydrogen fuel cell for my car. I want to learn about it before I go ahead and try it especially because I have a lease right now. So I plan to buy a junk car and try it on that first... (haha just my little disclaimer)

    I want to know this, When you rig a Hydrogen Fuel Cell or an HHO generator into your car, you are supposed to wire it directly to the battery. I understand this part but I also wanted to know that In the HHO gas injection process is it a poor idea to also rig a capacitor somewhere to reduce battery strain? I know it "doesn't pull much electricity" but keeping Murphy's law in mind it is always nice to have an extra precaution set up. If the capacitor is completely unnecessary I am cool with that, I was just wondering and figured id ask the question.

    Also if it is possible or feasible to use a Capacitor in the hook up of a generator how should I wire it and will it have any other benefit or drawback?

    Thank you very much!


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  3. #2  
    Forum Radioactive Isotope cosmictraveler's Avatar
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  4. #3  
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    Why? The alternator provides electrical power for the car.
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  5. #4  
    Forum Freshman Fmp2491's Avatar
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    I was wondering because I figured since I don't know much about electrical maybe it was similar to when someone puts a subwoofer in the car. I was thinking maybe that extra draw/pull for the addition to the car might screw up the electrical system and drain your battery faster. Because I live in NJ and so in the winter sometimes the car is hard to start if the batter even is just a LITTLE bit old. I figured it would be a worthwhile question because I used to have a CAP that helped power my old sub woofers.
    ‎"What are we doing tomorrow night?
    Same thing we do every-night Pinky - try to take over the world!"
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  6. #5  
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    Not sure if you're familiar with stacking but...hmmm. You will have to buy a few kilos of YSZ, from Tosh zirconia, must be 150-200m^2/g surface area. Don't be cheap on the electrolyte materials or it might explode and kill you or others. You will need a furnace to heat up your stacks which will probably be your biggest problem because you might need to reach 1,000 degrees C or the oxygen won't diffuse through the membrane. Complicated shit if you ask me, very expensive to produce too.

    There are other projects where, if you cut on the material quality, you can hit an affordable range and still make something decent. It's NOT the case with fuel cells. Fuel cells are highly dependent on the quality of the material you use. If you use cheap material, it's not like you only get 30% efficiency instead of 60%...you get nothing, not even 1mV output. Very expensive. If you're rich go ahead, if your budget is under 50,000$ forget it.

    I worked in fuel cell research actually, built quite a few, mostly SOFCs, just warning you so you don't waste your time.
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  7. #6  
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    This sounds like the wrong way to solve your basic engineering problem of hard to start car in the winter. Things I would do first, check your car for high electrical drain like faulty starter or dirty greasy engin. Grease on your engin block holds dirt which attacts water condesation in cold weather which shorts out your spark. Two, install a new, larger battery. three, Use a dip stick heater on cold nights.
    Possible alternative; buy a better car. My Subaru's have had no problems for 10years in New Hampshire.

    another alternative : since you seem to have hydrogen available. Just add some to the air intake when you are cranking over the engin on a cold morning . It should act like starter fluid.
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