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- เผยแพร่เมื่อ 21 ก.ย. 2023
- Diy Aluminium Air flow Battery to stop the corrosion of aluminium when the battery is not needed.
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#aluminiumairbattery #diy #battery - วิทยาศาสตร์และเทคโนโลยี
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Fascinating work as always sir. I hope to share with you my own research shortly too, Ive learned so much from you over the years.
You've inspired me to rebuild my lab and begin my own research!
Suuuuper nice. Thank you for sharing your work!
Imagining the day I can pour drain cleaner and water in my car to go for a short drive. Nice work again !
Yes 😁 I am really working that way into refueling battery, but not with drain cleaner, hehehe.
Good job, nice little experiment. It would be nice to have some metering here to see what sort of power & efficiency you are getting. Could you still further your designing of the flow membranes to have the fluid flow more evenly around the cathode & anode membranes in a circuit like fashion making contact with both side of each conductor plate on entering & before leaving the cell? It would seem reasonable that by increasing contact area of electrolyte with anode & cathode would produce more power, if that is ur purpose here. Does the cell have enough power to run it’s own pump if you step up the voltage using a step up converter?
Hello and thank you. The point of the video is a Al - air cell that you can add the electrolyte when the battery is needed,... like a system in some flow variant. In that case the electrolyte can be removed from the cell which will stop the reaction between KOH and Al (in some research papers they replace KOH with oil). The one reactor plate model was not good because I get direct electrolyte flow from the one end to another end of the reactor plate with less surface contact of the aluminium. In that case I get 1.4V and 25mA. In the two reactor plate model the electrolyte need to flow from the first reactor plate where was also the cathode air material through the aluminium to the second reactor plate. In that case I get that the KOH make good contact from both sides of aluminium electrode. In the second model I get 1.4V and 300 mA.
Nice system!
Hi cayrex2, your videos are very successful, thank you for sharing. Can the graphite plastic you made be used instead of titanium electrode?
Yes you can for sure. That graphite plastic I use alot in my batteries years ago and works good.
I notice that your English is getting better my friend, not just your flow battery. 😊
Haha good one. Thank you
THANK YOU FOR VERY GOOD EDUCATION 👍👍👍👍👍👍👍
Did you have the tutorial about how to make a activated carbon fur? because i need to know for my research. Thanks
I saw you are located in slowenia. I just made holidays there. Very beautiful
Yes I am from Slovenia. Oh nice 😊
very good idea. How do you know if you are putting more energy into this electrolytic pump than the battery output charge? It seems like a one-for-one exchange... couldn't the pump motor be powered by the battery itself? or does the propeller provide oxygen to the battery? maybe both... thank you for your video!
What about two cups and use gravity for the flow.
@@chipcode5538 the flow of electrolyte is only needed when you pump the electrolyte out or into the cell. When the cell is full of electrolyte,... the pump stops.
the flow of electrolyte is only needed when you pump the electrolyte out or in the cell. When the cell is full of electrolyte,... the pump stops. In tipical flow batteries you have constant flow of electrolyte and the pumps are powered by the battery when is dicharging and by grid when the battery is charging. But in that case you have a battery sistem of 48V.
@@chipcode5538Well that would be cheating. Bc In this case the energy for pumping would just provided by Mr Batterys Muscles placing that stuff.
Very nice work!
What if you use aluminium sulfate as electrolyte?
Yes you can.
Can u pls look into Form energy. Their iron air battery seems to commercially ready. Love to see you discuss that in details at some point. 🙏🙏
Yea, "almost" commercially ready,.... like 97% of battery tech companies. Maybe I will make a video in the future.
@@cayrexu da man
Can we make 100amps battery by using air flow aluminium technology
Some companies make a Al batter that runs a car. This flow system is only here for pumping the electrolyte in/out. Which can help to stop the reaction between Al and KOH
what is the approximate energy density of this battery?
may I ask something, how long does the battery reaction last?
Hello! Depending on the aluminium and electrolyte which is used in the cell. Thiner and more concentrated is the electrolyte,... faster will be the reaction. In one of the experiments I use 1 gram of aluminium in 2M KOH solution and the reaction last for 5 hours.
@@cayrex 1.4v at 300mA for 5 hours? That puts it right on par with a nicad double A. Lower amperage, but longer running.
very nice
You could also just freeze aqueous electrolytes,to stop them from being conductive and corrosive, ie, not being electrolytes, anymore, ie throw the battery in the fridge
so do you assume the flow of water electrolyte brings the oxygen, or do you make an air inlet on the block
have you considered zinc-hydride acid-air battery, in znso4->h2so4 water solution?
What material is the separator? Thanks
Coffee filter paper
I wish there were something we could pump into the electrolyte's place to preserve it. A type of laboratory PAG oil has been used but mineral oil might work too if it doesn't foul the carbon cathode. Thanks as always!!!
That was my first plan to make,.... replacing the KOH with oil. Like this was done by MIT and others.
Can we recharge the electrolyte?
You can change the electrolyte, yes.
O.well
Titanium electrode
Ok.
Let.s.go.
Good luck.
Sir I want to ask, what is the name of the separator material used? Please help, I want to try making this battery.
It is just normal filter paper
another good video.. I see a lot of possibilities in aluminum batteries.. definitely want to start experimenting with them myself in the near future.. but I am struggling with the solution for an air cathode.. and I didn't think you were using a air cathode in this project.. do you have a suggestion to make an air cathode yourself. or is it not necessary at all when running the flow model as the liquid will draw oxygen into the cell.
The air cathode here is made from activated carbon felt and the reactor plate have also a air flow channel which goes to the cathode material. Usually the air cathode is made from some activated carbon and catalyst.
@@cayrex ha ha ha i have studied your video one more time.. i had completely overlooked the little gap.. sorry, will probably pay more attention in the future.. I assume that the reason the pump does not pump electrolyte out of that hole is because the flow is so slow that the battery's "need for air" creates a suction/vacuum in the cell itself
Can you make solid state aluminium air battery?
More like solid polymer gel Al air cell, yes.
solid state battery is likely not possible, or not rational. Liquid electrolyte is there gor the ion exchange and increasing the reactive surface in a battery.
So you'll end up more likely with something called an almost solid battery, where there is a little fluid electrolyte left.
@@tami6867 Yes. Gel variant can is the best way of both worlds.
@@cayrex Haha just citing Prof Dr Fichtner, Prof for Solidstate chemistry at Helmholz Institute Ulm. If you understand german, he is regulary in some podcasts here on youtube. Noticed a lot of slowenians understand some german :)
@@tami6867 Yes, I understand german, hehe. Maximilian Fichtner? Yes I know him 😊
why you need extra power connect pump is battery?
Because here I have only one cell and the pump need 2.5 to 3V. The pump in orginal setupe is connected to the 12v, 24v or 48v battery (multiply cells).
You need to pump it out through the lower outlet.
v per cell ?
1.4v
Nice -
the problem with this battery design is that it still consumes the aluminum, then you'd have to take it all back apart and replace it with a new one, what a mess and not practical for me, I'd rather have the electrically rechargeable alternative to this battery the aluminum ion battery.
Yes I know,..... but this is only the first video of this series. I was thinking of that problem of replacing the aluminium,... but this will come in another video Correct. The cell consumes aluminium as a fuel.