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Author Topic: FWG Battery builds.  (Read 6156 times)
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img  JimBoot
FWG Battery builds. « on: 2019-07-22, 07:06:58 »

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I've finally convinced my wife to let me use her kiln, that she uses for precious metal jewellery work. It has ramp up settings but I could not work them out. So I took my plant material up to 1328f over about an hour. I was hoping to ramp up over two. Then let it bake for 2 hours and cool down over 5. I soaked the material in ferric chloride so now I have a conductive ferro magnetic carbon.
   
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Re: FWG Battery builds. « Reply #1 on: 2019-07-22, 11:43:30 »

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Hi Jim.

That's a nice piece of kit mate!

The furnace's that I used to use were a lot more crude, Gas fired and noisey, particularly when melting castIron.

Hmmm, plant material you say. A " taboo " kind of, unmentionable plant?   ;)

Cheers Graham.


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Re: FWG Battery builds. « Reply #2 on: 2019-07-22, 11:57:49 »

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Quote from: Grumage on 2019-07-22, 11:43:30
Hi Jim.

That's a nice piece of kit mate!

The furnace's that I used to use were a lot more crude, Gas fired and noisey, particularly when melting castIron.

Hmmm, plant material you say. A " taboo " kind of, unmentionable plant?   ;)

Cheers Graham.

Programming the ramp up sequence does my head in. 😇
   
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Re: FWG Battery builds. « Reply #3 on: 2019-07-22, 13:04:02 »
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Jim
ferric who ?
Have you posted a link somewhere to the theme ....or roots/goals...of this research ?

thanks for starting the topic and sharing.
   
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Re: FWG Battery builds. « Reply #4 on: 2019-07-22, 13:38:26 »

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How magnetic is it Jim?
Anywhere near that of ferrite?.
If so,you have just given us a very easy way to make ferromagnetic cores of any shape and size  O0


Brad


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Re: FWG Battery builds. « Reply #5 on: 2019-07-22, 13:53:53 »

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Hey Chet.

If you quickly check the " shout box " Jim mentioned something about Robert M Smith, nailing a battery??

Ferric Chloride is a very well known chemical amongst the DIY circuit board makers of the earlier period. We used it to etch away the unmasked Copper from the Paxolin backing to make PCB's.

Being a very naughty daddy, I had left a cupful of the solution on the kitchen window sill whereupon my middle daughter espied the tasty beverage. She went to great lengths to taste this " new " drink that her dear father had left out for her. Stacking a couple of kitchen chairs she managed to reach what I thought was the " unreachable " and got a nasty shock! Thank goodness for the gag reflex, and Bicarbonate of soda. Father and daughter both learned an important lesson.... Now part of family history.

Cheers Graham.


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Re: FWG Battery builds. « Reply #6 on: 2019-07-22, 14:23:16 »

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Quote from: Grumage on 2019-07-22, 13:53:53
Hey Chet.

If you quickly check the " shout box " Jim mentioned something about Robert M Smith, nailing a battery??

Ferric Chloride is a very well known chemical amongst the DIY circuit board makers of the earlier period. We used it to etch away the unmasked Copper from the Paxolin backing to make PCB's.

Being a very naughty daddy, I had left a cupful of the solution on the kitchen window sill whereupon my middle daughter espied the tasty beverage. She went to great lengths to taste this " new " drink that her dear father had left out for her. Stacking a couple of kitchen chairs she managed to reach what I thought was the " unreachable " and got a nasty shock! Thank goodness for the gag reflex, and Bicarbonate of soda. Father and daughter both learned an important lesson.... Now part of family history.

Cheers Graham.

Did she become attractive ?  :D

Sorry,couldn't help myself  C.C


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img  JimBoot
Re: FWG Battery builds. « Reply #7 on: 2019-07-23, 00:00:03 »

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Quote from: Grumage on 2019-07-22, 13:53:53
Hey Chet.

If you quickly check the " shout box " Jim mentioned something about Robert M Smith, nailing a battery??

Ferric Chloride is a very well known chemical amongst the DIY circuit board makers of the earlier period. We used it to etch away the unmasked Copper from the Paxolin backing to make PCB's.

Being a very naughty daddy, I had left a cupful of the solution on the kitchen window sill whereupon my middle daughter espied the tasty beverage. She went to great lengths to taste this " new " drink that her dear father had left out for her. Stacking a couple of kitchen chairs she managed to reach what I thought was the " unreachable " and got a nasty shock! Thank goodness for the gag reflex, and Bicarbonate of soda. Father and daughter both learned an important lesson.... Now part of family history.

Cheers Graham.

Bloody hell Grum !
Chet like many been following RMS for a while but him driving a nail through his battery finally got me off my arse. https://www.youtube.com/watch?v=RJDaNgjrVWA Ferric chloride is also used in acid etching concrete.

Brad it's very light material and behaves a lot like iron filings when powdered. Not sure how I measure much else with but I'm guessing the longer you soak it the more Fe content you will have.
   
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Re: FWG Battery builds. « Reply #8 on: 2019-07-27, 05:54:45 »

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 Used half a cup of water in a blender with about a gram of carbon and some paper towel. Strained over a stocking on 100mm pipe. Drained pressed now drying. Baking some more carbon with slower ramp up and a week of soaking in ferric chloride
   
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Re: FWG Battery builds. « Reply #9 on: 2019-07-31, 01:21:40 »
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It's turtles all the way down
For those interested in batteries, this video is a nice explanation of the liquid metal battery.

For educational purposes only, I'm not recommending you try to build one, but there is much to learn in this video.

https://www.youtube.com/watch?v=pDxegcZqx_8

Jim, if off topic just delete it.


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Re: FWG Battery builds. « Reply #10 on: 2019-07-31, 02:49:09 »

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JimBoot,

Could you give us an overview of which type of FWG battery you're
working on and what it entails?  Robert Murray-Smith's channel has
a plethora of really interesting video projects.


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Re: FWG Battery builds. « Reply #11 on: 2019-07-31, 03:23:15 »

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Quote from: muDped on 2019-07-31, 02:49:09
JimBoot,

Could you give us an overview of which type of FWG battery you're
working on and what it entails?  Robert Murray-Smith's channel has
a plethora of really interesting video projects.

Yep I'm starting here https://www.youtube.com/watch?v=dFrpoRzdINA I'm not using Graphene. For conductivity I've soaked my plant material in ferric chloride.
Then I'll be moving onto the separator creation. https://www.youtube.com/watch?v=-g9MQ8e93Yw
   
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Re: FWG Battery builds. « Reply #12 on: 2019-12-15, 04:43:09 »

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Finally getting back to this. The caps I made so far charge to about .5v . I’ve since realised I’m trying to make a cap out of intercalated graphemes and I needed to take it one more step. Basically add the ground material to hydrogen peroxide. This explodes the layers apart. You then need to wait transfer to a larger flask, top up with water and let the material settle to the bottom. Through a few passes you are meant to end up with single layer graphene.

My problem is mine won’t settle. After the initial violent reaction it has just become a champagne with graphene instead of bubbles. The reaction has been going on for days, the material is still magnetic and on a constant conveyor belt to the top of the vessel and drops after releasing gas although bubbles are barely visible.  I really want to use this material but I think I would lose too much to a paper filter. I only used a 20% solution of  h2o2
   
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Re: FWG Battery builds. « Reply #13 on: 2019-12-15, 05:34:30 »

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And something else odd and possibly easily explained? I took one of my ferro/carbon plant stems and inserted a SS electrode covered in a separator as my +. Covered the external in foil as my -. Soaked it in saltwater for a few seconds. It immediately read over 300mv. I'm thinking a reaction between the salt and metals?

When dry it's still over 200ma. I think I'll do some scope tests on it but does this just sound like a reaction. It has immediate bounce back after shorting.

Edit:
Ok I was measuring wrong. Resting voltage is 1.1V not 200ma. If I eliminate the aluminium and replace with SS would there be a reaction going between the FeCl3 and the NaCl? I would not have though so. https://youtu.be/FJuuH1mb4ec
« Last Edit: 2019-12-15, 22:17:28 by JimBoot »
   
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Re: FWG Battery builds. « Reply #14 on: 2019-12-16, 05:58:49 »

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Turns out the effect exists without nacl. I just need a wet separator. So not a reaction between salts. I’m stumped. I’m not seeing any signs of corrosion. I’ve tried different dmm same result. The scope shot is odd, will post soon.
   
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Re: FWG Battery builds. « Reply #15 on: 2019-12-16, 06:50:31 »

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Here’s my thoughts, I’m still stumped though https://youtu.be/I-lb7Uh9tq0 could it just be the meter registering itself?
« Last Edit: 2019-12-16, 08:48:00 by JimBoot »
   
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Re: FWG Battery builds. « Reply #16 on: 2019-12-16, 10:44:08 »

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And now I’ve gone and put them series.  C.C . I can’t charge it off a battery but is it possible that the dmm is somehow measuring itself?
   
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Re: FWG Battery builds. « Reply #17 on: 2019-12-17, 03:27:59 »

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Quote from: JimBoot on 2019-12-16, 10:44:08
And now I’ve gone and put them series.  C.C . I can’t charge it off a battery but is it possible that the dmm is somehow measuring itself?

I thought if I put two dmms on it at the same time it would show an increase in voltage if the dmm was measuring itself. Alas no. 1st meter 1.8v stayed the same when I attached the 2nd meter which read 2v.
   
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Re: FWG Battery builds. « Reply #18 on: 2019-12-17, 07:40:39 »

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3 in series
   
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Re: FWG Battery builds. « Reply #19 on: 2019-12-17, 11:21:30 »

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It's just got to be air capacitance or sommit right? This just looks like background noise. Very different waveform to the probes disconnected but still just I'm thinking nothing to see here? I would like to know what is going on though.
   
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Re: FWG Battery builds. « Reply #20 on: 2019-12-17, 19:29:13 »
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You can try connect small capacitor (1000pf) instead of battery and compare results.
   
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Re: FWG Battery builds. « Reply #21 on: 2019-12-18, 01:16:51 »
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I have found that external influences like fluro lights power supplies even metal structures give off electrical and magnetic noise.

components rectify that noise

just keep shunting it with different things and move it about untill you find the gremlin.

good luck
   
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Re: FWG Battery builds. « Reply #22 on: 2019-12-18, 09:05:26 »

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Quote from: Vasik041 on 2019-12-17, 19:29:13
You can try connect small capacitor (1000pf) instead of battery and compare results.
I'll find one and give it a go thanks. This is a bad cap though.
   
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Re: FWG Battery builds. « Reply #23 on: 2019-12-18, 09:12:19 »

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Quote from: 3D Magnetics on 2019-12-18, 01:16:51
I have found that external influences like fluro lights power supplies even metal structures give off electrical and magnetic noise.

components rectify that noise

just keep shunting it with different things and move it about untill you find the gremlin.

good luck
Thanks - I'm on a teflon board on a wooden bench top, all other power switched off, including leds on power boards. I say its a bad cap because it always just settles at the same voltage and wont discharge. I'm assuming it's a measurement anomaly.
   
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Re: FWG Battery builds. « Reply #24 on: 2019-12-18, 11:07:03 »

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Quote from: JimBoot on 2019-12-17, 11:21:30
It's just got to be air capacitance or sommit right? This just looks like background noise. Very different waveform to the probes disconnected but still just I'm thinking nothing to see here? I would like to know what is going on though.

Hey Jim.

I've seen that waveform myself, several years ago, when looking into the work of TH Moray.

I just had the scope across a 60/80 foot suspended, insulated wire slung across the yard and a separate ( from supply ) earth rod. Just a thin line on my analog scope with the pulse.

Cheers Graham.


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