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New Battery systems => Saltwater cells => Topic started by: hartiberlin on April 06, 2005, 12:11:24 AM

Title: Some new photos of Walt
Post by: hartiberlin on April 06, 2005, 12:11:24 AM
Here is a new photo from Walt from his new plates,
just tested in saltwater ( not yet with his powerpowder)

Regards, Stefan.
Title: Re: Some new photos of Walt
Post by: hartiberlin on April 06, 2005, 12:12:51 AM
Another pic
Title: Re: Some new photos of Walt
Post by: hartiberlin on April 06, 2005, 12:13:38 AM
Another pic
Title: Re: Some new photos of Walt
Post by: hartiberlin on April 06, 2005, 12:14:22 AM
Another pic
Title: Re: Some new photos of Walt
Post by: hartiberlin on April 06, 2005, 12:15:06 AM
Another pic
Title: Re: Some new photos of Walt
Post by: hartiberlin on April 06, 2005, 12:16:11 AM
Another pic
Title: Re: Some new photos of Walt
Post by: hartiberlin on April 06, 2005, 12:16:55 AM
Another pic
Title: Re: Some new photos of Walt
Post by: hartiberlin on April 06, 2005, 12:25:37 AM
Another pic
Title: Re: Some new photos of Walt
Post by: hartiberlin on April 06, 2005, 12:32:46 AM
Here in these pics you can see the difference in shortcircuit current and opencircuit
voltage between the Zamak ( chemalloy) and the new alloy from Walt.
(labeled: sall in the filename)
You see at the right the ampmeter and at the left the voltmeter.
If the shortcircuit current is measured the voltage is the
remaining voltage of the cell across the ampmeter.

So we can see, that his new alloy is a bit better than Zamak
as it has a higher shortcircuit current and also has a better
remaining voltage during shortcircuit.
Also we see, that the graphite cylinders are much worse, than
plate designs, cause they only deliver 80 mA in the same configuration !


Regards, Stefan.
Title: Re: Some new photos of Walt
Post by: Kysmett on April 06, 2005, 03:00:25 PM
Why is it that the cylyinder is worse than the plate?

It looked like there was more surface area in the cylinder.  Could it be that the current generated in the middle of the cylinder can not escape, except at the edges?  Or perhaps is it something more simple that I have overlooked?
Title: Re: Some new photos of Walt
Post by: hartiberlin on April 06, 2005, 10:41:41 PM
Why is it that the cylyinder is worse than the plate?

It looked like there was more surface area in the cylinder. Could it be that the current generated in the middle of the cylinder can not escape, except at the edges? Or perhaps is it something more simple that I have overlooked?

Hi,
yes, this is a good question !
It seems you could be right, that only the outside of the cylinder will
conduct the current mostly in this case.
If you put a Zamak rod INSIDE the graphite cylinder, it gets
a bit better, so  this might be an explanation.
But in general there is also a difference in the graphite material
conducting the current !
These graphite plates are made mostly from "Blow-graphite" and
seem to have more innern surface than the graphite material
of the cylinders.

Regards, Stefan.
Title: Re: Some new photos of Walt
Post by: Walter Hofmann on April 07, 2005, 11:50:45 AM
Hi
yes it is right in this cells there is a little bit strange because it seams that the current is only generated where a free flow is possible from the graphite to the alloy.
stefan is right if the alloy rod is put inside the graphitcylinder then you get more out, but you cannot reache the output as with the graphitsheet and aloy plate because the alloy plate has much more surface area as a 1/4 "rod.
dont forgett this is just the preliminary test what is only used by me to determine the overall capacity of the material and sizes.
The real test is with the cell build especially with my like stefan call's it "power powder" there the output is staggerd up to 5 times the current this is where the real value of my AG-cells comes.
I will post a seperate message in regards to all the value of my AG-cells.
greetings
walt
Title: Re: Some new photos of Walt
Post by: Kysmett on April 07, 2005, 02:54:07 PM
In order to test 'why' and the possibility that there has to be a direct 'line of sight', I think it would be interesting if you could 'aim' the cylinder towards its target.  Then if the readings vary as the cylider is moved, it will definitely be directional.  If you can get more current this way than with the zamak in the cylinder, it might also speak to the ammount of liquid nessessary to carry a full current.

Just an idea.
Title: Re: Some new photos of Walt
Post by: hartiberlin on April 07, 2005, 05:46:09 PM
Well it depends mainly on the graphite being used.
Bruce has got so far the best graphite with his cylinders,
so he gets very high voltage like 1.3 Volts in a saltwater bath together
with a Zamak rod.

Walt?s and my cylinders only give around 0.9 to 1.05 Volts.

Bruce is probably using additioanl chemical components together
with his graphite powder to scale the voltageup to 1.8 Volts,
which in my view will not last..
( but he seems to have a different opinion on that which
he will
probably have to show in his new coming products...)

Regards, Stefan.
Title: Re: Some new photos of Walt
Post by: Bruce A. Perreault on April 28, 2005, 12:52:01 AM
Stefan,

My cells start out around at 1.8 volts. They stabilize at 1.5 volts. The batch that your cells came from is still generating 1.5 volts except for a few of them where the contact wire was not properly isolated with sealant.

? ? ? ? ? ? ? ? ? ? -Bruce P.
Title: Re: Some new photos of Walt
Post by: hartiberlin on September 01, 2005, 05:47:08 PM
Here are a few more photos of Walt?s new cell, which show the
crystallisation around the electrodes.
It seems these soft crystalls help to generate the power.

Regards, Stefan.
Title: Re: Some new photos of Walt
Post by: hartiberlin on September 01, 2005, 05:47:51 PM
another pic
Title: Re: Some new photos of Walt
Post by: hartiberlin on September 01, 2005, 05:48:32 PM
Click the thumbnail picture for a bigger display !
Title: Re: Some new photos of Walt
Post by: hartiberlin on September 01, 2005, 05:49:33 PM
another picture
Title: Re: Some new photos of Walt
Post by: hartiberlin on September 01, 2005, 05:50:09 PM
another view of the crystalls
Title: Re: Some new photos of Walt
Post by: hartiberlin on September 01, 2005, 05:51:24 PM
another view
Title: Re: Some new photos of Walt
Post by: hartiberlin on September 01, 2005, 05:51:51 PM
microscopic view
Title: Re: Some new photos of Walt
Post by: AhuraMazda on November 21, 2006, 05:01:39 PM
Is there a reason why I can not see any of the picutures? I tried both firefox and IE.

Title: Re: Some new photos of Walt
Post by: hartiberlin on November 23, 2006, 05:34:48 AM
You must be loged in as a user.
Guests can?t see the pics.

If you have problems as a logged in user,
try to delete your cache and cookies
of your browser and start your browser new and
your PC.
Title: Re: Some new photos of Walt
Post by: Thaelin on December 05, 2006, 10:55:47 PM
Hi Stephan:
   Sugra here, I was wondering if in your use of these batteries you have charged any of them? Or are they just a battery that you just add more saline to when it needs.

thanks
Title: Re: Some new photos of Walt
Post by: hartiberlin on December 06, 2006, 02:20:32 AM
Hi Stephan:
   Sugra here, I was wondering if in your use of these batteries you have charged any of them? Or are they just a battery that you just add more saline to when it needs.

thanks


Charging seems to destroy the special crystallisation effect, which makes
them very long lasting..

If you charge them,
then you can only use them as "supercapacitors" kinda like..
but then they "discharge" much faster..

But the power is pretty low, only about 1 to 10 MilliWatts range with
smaller devices...
Would need bigger alloy plates to get more power out.

Walt Hofmann is much more into it.Please ask him.

Regards, Stefan.