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Future: batteries powered by water, or pipedream? - Page 3

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Posted by Duane C. Johnson on October 24, 2003, 12:34 am
Hi Jack;

Bull. If you are saying that there is more generated
energy than is stored by pressing the syringe it would
be violating the first law of thermodynamics.

That is not what they are saying.
It's simply a solid state micro sized hydro generator.
Albeit a very inefficient one at 1%, but might be
useful for special applications.

I agree.

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Posted by Jack on October 24, 2003, 1:50 am
"Duane C. Johnson" wrote:

not exactly
go to fuel cells
if water is considered the fuel, so there is no violation

bull bull bull

have you already seen it ?

and ethanol is much more user-friendly

could you e-mail the inventors to provide us with some p[ictures,
drawings describing that invention with details ?


Posted by Michael Daly on October 24, 2003, 4:25 am

Rather than speculating, just go to the following link. go down the
right column to October 21 and click on the link labelled "Electricity".


The electricity is generated from the pressure and no more.  It isn't
a battery, it's a generator.


Posted by Jack on October 24, 2003, 10:37 am
 Michael Daly wrote:

but give me an exact webpage link


Scientists have
                long known when
                water touches
                glass or ceramic it
                creates a negative
                charge on the
                solid, which
                attracts positively
                charged ions from
                the water.

                If you push water through channels about
                one-thousandth of a millimetre in diameter, it
                becomes positively charged at one end and
                negatively charged at the other.

Let water power your mobile phone:
scientists discover new source of electricity

The key to electrical power generation is to create a sustainable
electrical charge separation. The physical phenomenon involved in
this research is the charge separation that occurs at solid-liquid
interfaces due to the dissociation of the solid. As a result, the
surface becomes charged and opposite-charged ions in the liquid are
attracted to it; while like-charged ions are repelled, resulting in
a thin liquid layer with a net charge. This region, known as the
Electric Double Layer (EDL), ranges from several nanometers to a few
micrometers thick, but is the primary mechanism for charge separation.

full paper text


Posted by Steve O'Hara-Smith on October 24, 2003, 5:37 am
 On Fri, 24 Oct 2003 03:50:22 +0200

J> mayby
J> have you already seen it ?

    More likely he did the same as I did, visit the IOP site,
download the research paper and read it instead of the press fluff.

    It is *not* a water fuel cell, it *is* a clever generator.

J> could you e-mail the inventors to provide us with some p[ictures,
J> drawings describing that invention with details ?

    Try reading the paper, you'll get something better than
pictures - you'll get facts and mathematical analysis.

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