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- เผยแพร่เมื่อ 21 ธ.ค. 2023
- Diy Rechargeable Salt water battery
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#battery #saltwater #energystorage #diy #howtomake - วิทยาศาสตร์และเทคโนโลยี
I was searching for a flow battery solution with only the liquid as a energy source. So a bigger tank, simply means more storage. So thanks for the info!
You know you have reached expert level battery researcher when you use the terms anolyte and catholyte 😉 Enjoyed the video, thanks! Also loved the music in this video!
So weird how great minds think alike!
I was researching the other day how to make one of these at home... Appreciate the video!
Has given me some new ideas!
I'm so glad to see I'm not the only one doing these weird at home experiments haha
Could HCl and NaOH be used to start with or do you have to have the power input to populate the electrodes? Many thanks. Always watching. I had no idea you could make these chemicals from just table salt.
Nice demonstration! Really interesting cell.
Hi @cayrex, the 3d printed models you used, are they somewhere available online?
I understand soduim sulphate offers a wider voltage window. Upwards of 1.5-4.0 volts
Nafion looks expensive... Is there cheaper alternatives?
Yeah, depot still have patern. Will be expensive for a while. I have been looking for alternative fir a while. Liquid Glue crossed link by acid does not last long.
...dupont..i mean
Unfortunately not sufficiently reliable
Fantastic demonstration! Do you know how much performance will degrade with a larger gap? For example the radius of your container between electrodes. And I'm wondering what the highest specific power would be given that the conductivity is quite low.
Good job sir very interesting
Great stuff.
You make great battery videos.
I would like to see you create a diy membrane for a flow type battery.
Still watching you mate 😎 Very interesting !!
Is this a sodium ion battery like north volt is producing? Do they use manganese as we'll?
I have forgotten if this was mentioned but would their be any reason not to add koh3 into the mixture ?
Hi there. very interesting stuff. i have seen all ur videos and was wondering would u do a followup on the vanadium flow bat ? and if u would build a flow battery what chemistry would u use?
thanks and keep up the xperimenting
Yes I will make a followup of vanadium flow battery. Hmm it is hard to tell which chemistry is good to use in some battery system, because all or most of chemistrys have pros and cons. For this reason I start with the project called "Hyperflow" a multi material cell years ago. But on the another side,... some all manganese or metal halide chemistry will be interesting.
My friend, this is next level.
Hey do you have any good recourses that explain gel polymer electrolytes on a high level? Could you please share any sources?
Excellent video and very interesting! I am not sure if this reaction produces HCl though. Sure the equation balances, but would you not just rather get water containing dissolved Cl2? I think that will also test as an acid. Anyways you have my attention, i want to try it at home!
Interesante es pila recargable felicitaciones.. Has hecho pruebas cuanto tiempo mantiene la carga en reposo...
I was half way through the video when i jumped to make a comment proposing making this battery to a simple flow battery. I made that comment and then proceeded with the video only to be pleasantly surprised.
Charging and discharging could be done with the motors in series so the pumps work with current during charging and discharging.
I believe the direction of the flow doesn't matter. If there is flow, the reaction occurs continuously. Otherwise the energy potential of the liquid runs out.
@@Harbie yup, the direction of flow doesn't matter if there is one container for analyte and one container for catholyte. Charging or discharging you always want to pump to avoid overcharg or over discharge.
Alternately, If you have 4 containers (2 analyte and 2 catholyte) then direction of flow through a pump would depend on if charging or discharging.
Hi😀 very interesting stuff. Which of the two demonstrated cells has a larger storage capacity and aproximatly how much storage can it hold? What would be expected lifespan for each of the two batteries and how is efficency? Awesome channel, i've just helped u via paypal😁
Yeah it's a good demo for a simple battery, just unfortunate that it requires an expensive membrane. Wonder if PTFE tape might work since it's from the same chemical group? 😁
Can you start using hydrochloric acid and sodium hydroxide as starting materials so it would be charged already?
Can you have a natural circulation like those acid and base are going to separate like emulsion or so so if you have a displaced reservoir are they going to sor themselves ?
Kinda like thermosiphoning? Yes, I have a problem with the need to pump AND charge. Round trip efficiency and all that. Cool though. Wow!
Very nice! It would be good to measure the total capacity of the small battery and efficiency of charge. Also make some projections of the possibilities if scaled properly.
It would be nice, but mostly useless because of too many variables that would be dificult to characterize well.
1. the poor size and conductivity and geomitry of the carbon felt.
2. The volume and electrolyte concentration and how much.
3. Temperature and pressure placed on plates and how that might change the carbon poors.
Sodium sulphate has a higher voltage window than sodium chloride, Resulting in a higher energy density. And minimizes the potential for off gassing like chlorene with sodium chloride.But nafion membrane is slightly more resistant to sulphate ions, but still has good chemical stability.
Can heat rising fluid suffice instead of motor pushing liquid? Or density bouyancy of different densities perform the flow?
Nice video my friend. How about some vegetarian gelatin instead of Nafion membrane?
So good, thanks for sharing
For some time now I had been thinking about the possibility of making osmotic membranes using objects from nature, for example, the skin of an onion, or banana leaves, or bamboo pods, cuts from tree trunks have been used. of the lime tree, of a few millimeters to desalinate seawater, successfully
I think some types of wood cut crosswise could be used, it is a good essay topic.
all the best
Seems like you will be depleting the electrolytes, with losing cl2 and h2 (charging at 2.5V). Or do you think you are just moving concentration of h+ and thus have a type of concentration cell?
Yes, here I overcharging the cell. With overcharging I get faster reaction, but I also note that the cell voltage is in region of 2V. Same effect you can get when you use for example a zinc manganese battery with alkaline/acid electrolyte (2.3 to 2.5V)
Its a lot cheaper than vanadium. It would be interesting to see some comparisons between your 2 flow battery chemistries using your electronic load showing graphs. 👍
Yes it is cheaper,.... but the vanadium is already verified technology which the salt battery tech is only in experimental stage look at AQUABATTERY for more details of salt battery. The salt battery have the capacity from 10 to 20 Wh/l and the vanadium flow battery have the capacity around 25Wh/l
From one Made-In-China Fuel Cell many informative videos, that's crazy 😂
Hahahhaah yes,.... almost. To this date I sacrificed 4 fuel cells for the projects. Heheh
❤️
Nafion membrane's ?
Very nice, what is the current rate of this stop?
In short-circuited is the current around 700 mA
What kind of membrane are you using?nation?
The subtitles said napon. I did a search and found Nafion membrane?
this is nafion membrane
It is nafion membrane
@@irfanjahania1654 Correct 😉
@@cayrexDiy just buy specific specialty materials found no where but one company
What is the power output? density and so on?
And then it goes back to salt water after discharging. Get outta here!
@@evanriddle1614 I didn't understand the answer but yes I like it, man it is just salt, I've got kitchen (and the floor full of it and since I'm Italian and superstitious I need to pinch some of it down my back not to bring bad luck )
So a chlor-alkali plant in reverse
Is it completely specular? Can it be reversed? I mean polarity? What would happen?
When the battery is discharged, then you can reverse the polarity if you want. But I dont know why you want to do that.
super cap? or just hydrogen oxygen gas storage battery. well another salt like baking soda would make oxygen not chlorine. chlorine hydrogen gas fuel cell battery? the membrane makes two compartments for the two different gases, keeping them apart but lets ions pass through. hydrochloric acid battery. oh there is also NaOH in the solution, on the other side.
How can we make use of simple ingredients to make a minimal power supply for emergency use? I have been searching/researching this for some time but keep hitting a brick wall. There are so many scammers out there, eg. people who claim that it is possible to make batteries using sparkplugs is possible. Many people say this [spark plugs] is a scam.
A battery using spark plug?
@@cayrex Search on YT and there will be many YTers who claim it is possible to make a power source/battery that is made/built by using spark plugs as the main [charge]?
Why don't you buy a pH pen?
I have electronic ph meter,.... but then I need to wash the probe each time. With ph sheets was more quicker 🤭
this is the coolest thing i've ever seen, why cant this be used in a electric car? instead of expensive lithium.
Yes I know,... it is more or less cheap and have good cycle life. But the problem will be the low specific energy 😔 It is in range of vanadium redox flow battery,.... around 25Wh/kg
Katode dan anoda mengunakan titanium ... apa bisa diganti Chromium ??
Sistem hampir sama Vanadium baterai ..
Katoda :::
Ti ----> Ti2+ Ti3+ Ti4+
V -----> V2+ V3+ V4+ V5+
Anoda reaksi asam Chlodide
Cr , Mn ion sama vanadiun dan Titanium ,
Apa bisa digunakan ??
Some time ago I work on Mn//V battery system
@@cayrex
Mantap ... saya sangat senang dan suka dengan praktikum yg mudah di fahami .
Akan saya lihat video Mn dan Vanadium
Terima kasih , Cayrex ,, good job 👍👍👍
Sorry all of this question but I'm a noob
No panic,.... is all ok ;)