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Fuel cells

Discussion in 'Photovoltaics' started by bcps, Feb 6, 2007.

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  1. bcps

    bcps Guest

    Slightly off topic for this group, but it is not unheard of to produce
    hydrogen from photovoltaics.

    Jadoo Power seems to be an aggressive manufacturer of consumer based fuel
    cells. I could be wrong, but the components and stats seem to almost equal
    the price of a solar system. I think they are still too high in price, but
    the portability is a plus.

    I've always been interested in fuel cells as an alternative to batteries and
    I was hoping some of you folks might give me a hint on the up's and down's
    of these things.

    I'm suspecting the membrane and the catalyst don't last as long as a solar
    cell or basic deep cycle battery (read "efficiency") - and, there is that
    nasty problem of explosions.

    I'm guessing the technology just hasn't hit it's peek yet, but it certainly
    would be cool to hear some comments.

  2. Steve Spence

    Steve Spence Guest

    solar to battery is 80% efficient, solar to hydrogen to electric is 40%
    at best. Those numbers aren't likely to change in the near future.
  3. Steve Spence

    Steve Spence Guest

    I didn't write most of that. When I wrote solar to battery as being 80%,
    I was referring to 80% of the pv electric gets stored in the batteries.
    40% of the solar electric makes it back to electric by way of hydrogen.
    Since the solar is the same in both examples, I'm ignoring the pv panel
    efficiency in both pocesses. I'm no fan of hydrogen.
  4. bcps

    bcps Guest

    I was hoping you might clear that up. When I first read it, I thought,
    "Where is this guy getting his pv panels?"

    Anyway, good comments about NOT getting into fuel cells at the moment.

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