[TheForge] Hydrogen storage (was: Hellooooooo!)

[James Binnion]

Actually this takes a lot more energy than you will get back (energy  
lost as heat) from the burning of the hydrogen so you are better off  
running your car directly on the batteries that would be needed for  
the electrolysis.


On May 8, 2006, at 1:21 PM, Chris Kilpatrick wrote:

> Rich,
>      In my previous post on getting hydrogen from water, I was  
> trying to make the point that water is plentiful in most places and  
> could probably be the fuel source itself.  (The car would be  
> engineered to separate the hydrogen and oxygen use both, or just  
> the hydrogen).  The technology is very lo tech and water is very  
> stable.  The only hazardous possibilities, if done correctly, are  
> possible electric shock if your fuel tank is ruptured in a crash,  
> but even that could be engineered around.
>
> -chris K.
>
>> ----- Original Message -----
>> From: "Rich Maynard" <rich at maynard.org.uk>
>> To: "'Sponsored by ABANA'" <theforge at mailman.qth.net>
>> Subject: RE: [TheForge] Hydrogen storage (was: Hellooooooo!)
>> Date: Mon, 8 May 2006 20:13:53 +0100
>>
>>
>> Cheap hydrogen is available in countries like Iceland with  
>> virtually free
>> hydroelectric/geothermal power generation. It's just moving it  
>> around that's
>> difficult.
>>
>> Rich M.
>>
>>> -----Original Message-----
>>> From: theforge-bounces at mailman.qth.net
>>> [mailto:theforge-bounces at mailman.qth.net] On Behalf Of Dave
>>> Overton
>>> Sent: 08 May 2006 16:26
>>> To: Sponsored by ABANA
>>> Subject: Re: [TheForge] Hydrogen storage (was: Hellooooooo!)
>>>
>>>
>>>
>>>
>>> --- Bruce Freeman <FREEMAB at pt.fdah.com> wrote:
>>>
>>>> Other technologies than presurization or
>>>> liquification seem more
>>>> promising.  Metal hydrides.  Adsorbed hydrogen.  I'm
>>>> not up on the
>>>> details, but these ideas offer the possibility of
>>>> much denser hydrogen
>>>> storage.
>>>>> I suspect, however, that the minute cheap hydrogen
>>>> becomes available,
>>>> someone will come up with a neat method of combining
>>>> it with coal, maybe
>>>> even underground coal, to produce hydrocarbons -
>>>> propane, butane,
>>>> gasoline, or diesel fuel.  This won't fix the
>>>> greenhouse gas problem,
>>>> but will make a hell of a lot more "petroleum"
>>>> available right here in
>>>> the hew hess of hay.
>>>>> Bruce
>>>> NJ
>>>>>>>> jbin at well.com 5/7/2006 10:18:43 PM >>>
>>>>> On May 6, 2006, at 11:36 AM, The Millers wrote:
>>>>>> It will drive nuclear power back into the
>>>> forefront. EVEN South
>>>>> Africa is starting to build graphite core pebble
>>>> bed reactors.
>>>>>
>>>>> I would seriously consider stock in Areva!! They
>>>> are now the leader
>>>>>> in WORLD on nuclear energy.
>>>>>
>>>>> Then we produce hydrogen via electrolysis and run
>>>> our cars on
>>>>> hydrogen.
>>>>>> As was pointed out today on another list I am on
>>>> there is a rather
>>>> significant problem with hydrogen power. It takes
>>>> about 320 cu ft of  > hydrogen at atmospheric pressure to equal  
>>>> the BTU's
>>>> in a gallon of  > gasoline. One of the large pressurized gas  
>>>> cylinders
>>>> holds about 300  > cu ft at 2300 psi you would need 15 of those  
>>>> to be
>>>> about equivalent  > of 15 gallon gas tank, each one is about 100  
>>>> lbs
>>>> mass so carrying  > enough hydrogen to power your car over any
>>>> significant distance is a  > big logistical problem.  Go to
>>>> http://mb-soft.com/public2/ > hydrogen.html and read. There are
>>> technologies being
>>>> discussed to  > make it where you could cary a greater volume of
>>>> hydrogen but I am  > not feeling wonderful about 5000 psi gas  
>>>> cylinders
>>>> or tanks of liquid > > hydrogen in my car in an accident.
>>>>> It sounds like a great idea but there are some
>>>> significant problems
>>>> to be overcome before you will be filling up with
>>>> hydrogen
>>>>> James Binnion
>>>> jbin at well.com
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James Binnion
jbin at well.com