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Salt Water Fuel Cell info wanted

Discussion in 'Home Power and Microgeneration' started by Survival Bill, Aug 21, 2003.

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  1. I am looking for some info I just heard that someone in Victoria BC Canada
    invented a fuel cell that will work with salt water and titanium plates has
    anyone heard of this yet if so let me know this sounds to good to be true I
    know but you never know the fuel cell idea could work with something else
    besides hydrogen..



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  2. Steve Spence

    Steve Spence Guest

    I think you are referring to this:

    http://www.greenvolt.com/index_2.html

    PM-122T dry weight is approximately 5.3 lbs/2.4 kg . This unit is capable
    of delivering 3,500 Watt-hours of electrical energy (per set of anodes and 2
    liters of saltwater). Thus the Specific Energy is 1,458 Wh/kg or 121 Ah/kg.
    This performance is 4.5 x better than any Lead/Acid Battery, and is
    delivered by the PM-122 at a dry weight of about 1/10th of a Lead/Acid
    Battery. The PM-122 can be easily carried to any location. The electrolyte
    needed to activate the unit is only added when and where the power is to be
    generated. The additional weight of the typical "pickling salt" (NaCl)
    additive (later added, if sweet water is used), is only about 60 gm or 1/7th
    of a pound to make 2 liters of electrolyte, of which half is in the unit and
    half is in the reservoir (when a reservoir is used).
     
  3. Or more specifically:

    http://www.greenvolt.com/pm122.html

    and

    http://www.greenvolt.com/pm340.html

    Only $8+ per kilowatt-hour! Yowza! [Doesn't appear to be
    rechargable...]

    Also not clear if it's 35 hours of on-time, or if you get the
    {3.5,11.9} KWHRs before the {electrolyte,anodes} are exhausted...

    Nice emergency battery for marine applications, though. Of course,
    $200 or $800 worth of lithium batteries will probably get you a lot
    further...
     
  4. pete

    pete Guest

    a qote from the site http://www.greenvolt.com/index_2.html

    Alkaline fuel cells (AFC's) that use potassium or sodium hydroxide-in-water
    solution as the electrolyte and operate between -40 ºC to 60 ºC.

    for as far as i know water is frozen at 0 and maybe somewhat lower with
    sodium hydroxide in it how could this work??
     
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