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View Diary: Recent DOE Break-Through with Hydrogen Fuel Cells, should make them Affordable (275 comments)

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  •  Yes (5+ / 0-)
    Recommended by:
    squarewheel, OtherDoug, Recall, JeffW, Odysseus

    And at the end of the day, hydrogen fuel cells are just another kind of battery with different trade-offs. As far as I can tell, it simply isn't far superior to existing electric-car technology and the storage problem is massive.

    People forget that it's one thing to demonstrate something in a lab and quite another to commercialize it to sell millions of it. These processes take years and sometimes don't work at all because the thing you are trying to commercialize ends up being more expensive than it is worth at the end of the day.

    Commercialization is a huge problem.

    (-5.50,-6.67): Left Libertarian
    Leadership doesn't mean taking a straw poll and then just throwing up your hands. -Jyrinx

    by Sparhawk on Sun Apr 24, 2011 at 10:29:10 AM PDT

    [ Parent ]

    •  Yes, a battery (2+ / 0-)
      Recommended by:
      OtherDoug, Odysseus

      It's not even a metaphor.  Batteries work by changing chemistry which releases energy.  Fuel cells do pretty much the same thing but inject the ions directly, rather than storing them in changing chemistry.  Batteries release hydrogen when overcharged.

      Fuel cells might make some sense when combined with the reformer, which breaks down a fuel into hydrogen and whatever else.  So there are natural gas fuel cells, which are a nice alternative to moving-part generators.  Reformers, though, tend to require catalysts and very high operating temperatures, limiting their applicability.

    •  my money is on battery technology improving (2+ / 0-)
      Recommended by:
      JeffW, chipoliwog

      to the point that fuel cells are unnecessary, since hydrogen production and storage are such big problems.

      big badda boom : GRB 080913

      by squarewheel on Sun Apr 24, 2011 at 05:26:43 PM PDT

      [ Parent ]

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