The Space Shuttle had a Fuel Cell.
On Tuesday, May 12, 2020, 1:50:37 PM CDT, Larry Gales via EV
<[email protected]> wrote:
While I fully agree that a fuel cell for a car is foolish, the one
limitation of batteries is energy density. In those applications where
energy density is the MOST critical factor, such a LONG distance ocean and
air travel, H2 makes sense as it has 7 times the energy density of
batteries. Yes, it is inefficient, but it does make long distance travel
carbon free, which batteries cannot do.
On Tue, May 12, 2020 at 9:09 AM Robert Bruninga via EV <[email protected]>
wrote:
> And Toyota does it again. Promotes hydrogen even when it makes no sense!
> Someone sent me this article.
>
>
> https://www.h2-view.com/story/energy-observer-unprecedented-levels-of-performance-on-first-transatlantic-passage/
>
>
>
> But this article caused me to do some digging, because I was very
> suspicious of their claims of hydrogen power.
>
>
>
> Making one’s own hydrogen from water is a very inefficient process. And
> sure enough, when I looked it up, the ship can only make hydrogen when it
> is pierside because it needs MORE power than all of its solar panels just
> to make hydrogen (from the grid).
>
>
>
> And as everyone (except Toyota and Honda) know, hydrogen is a boondoggle
> because there is no source of hydrogen on earth other than electrolysis
> from water (which is grossly inefficient use of electricity) when the
> electricity can be better used to power the ship or car in the first
> place. Right now most hydrogen comes from Natural gas which just throws
> more carbon into the air making it one of the dirty fossil fuels we are
> trying to get away from..
>
>
>
> Yes, hydrogen made sense 10 years ago when it was more cost effective than
> batteries. But that was before electric cars drove the price of batteries
> down ten-to-one! Now it is just a boondoggle for some companies to take
> advantage of (ten year old policy) and scam the government for dollars.
> It’s a dead end.
>
>
>
> In the future, when there is so much solar and wind to provide 100% of our
> needs, then there will of course be days of excess power and then it makes
> sense to use that excess power to make hydrogen in bulk. And then not try
> to figure out how to distribute it to every car or boat tank, but to simply
> use the hydrogen in bulk to make electricity when the solar and winds are
> less.
>
>
>
> Thanks for the article. I t is good background material. I cant wait to
> retire and eventually get back to making my own solar boat.
>
>
>
> Bob
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--
Larry Gales
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