Love your videos, i am very interested in Al-ion batteries specifically (secondary type mostly) :) An Al - Air battery made of 95% Al to 5% GaInSn alloy would be VERY interesting to see, especially with the Zinc oxide corrosion inhibitor. Would be a short-lived battery, but very powerful! Since the AlO layer would no longer be passivating the whole conductive surface. If the AlGaInSn alloy was powdered and pressed into a sheet with a conductive additive - the GaInSn will prevent the surface from oxidising and creating a protective layer - instead the entirety of the Al electrode would oxidse regardless of the surface oxidation. A chain-oxidation reaction.
What about using aluminium Powder on a Stainless steel pickup electrode instead of the Alufoil ? Would probably drastically increase the current output...if the Alu powder would be used up then, will the Zinc powder then again be oxidized to ZNO ?
Interesting chemistry here but I am a little confused on what is happening. If the zinc oxide is being deposited on the anode as zinc metal, you don't have an aluminium anode any more. You now have a zinc anode and a zinc air battery. If the aluminium is covered with zinc how can the aluminum be actively be involved in the chemistry of the cell? Maybe the zinc coating is not solid but just porous enough to allow electrolyte to reach the aluminum underneath?
It was found that adding saturated ZnO to KOH electrolytes provides the most protective Zn film with good adherence and high density, which can lower the Al corrosion rate by 2 orders of magnitude. The electrolyte will still go to aluminium like you said. Maybe I ad to much ZnO and thats way make a strong spontaneous deposition of Zn.
@@cayrex You are right. Zn is a fantastic material. So many scientists are trying to make a rechargeable battery by using Zn. By accident or not, I hope you will be able to make great achievement in that area.
Again thank you for sharing the zinc electroplating idea but i noticed that the fan needs a push to start this being an indication that the current is weaker .
In the Zinc covered aluminum battery which oxidation reaction is generating the voltage ? Is it Zinc or Aluminum or both ? Thanks for posting this video.
Nice Video - if the life of the aluminum air battery with KOH is a couple of cycle, less then 1 hour, then what have you found when ZnO2 added …… is it 2X, 5X, 10X longer life????
When I make this video I try ZnO for the first time, so is to early to say. But note to the paper: "It was found that adding saturated ZnO to KOH electrolytes provides the most protective Zn film with good adherence and high density, which can lower the Al corrosion rate by 2 orders of magnitude. Moreover, configurations with a capacity near the Al theoretical capacity were achieved."
It is nice to look at the results of work, and especially devices with a load. Tell me which electrolyte you use for your experiments. Thanks in advance.
If you fully protect alu with something, it will stop working. Alu must be consumed, right? Well, actually Zn-Air battery remains, all Zn will go into ZnOH, and then Al2O3 will form anyway
Uf hard to say,.... ZnO need to be a corrosion inhibitor for Al air battery. But I think that I put to much ZnO into electrolyte and that way I get strong Zn plating on Al. Right now I make more tests with this.
@@cayrex what about using that gel electrolyte now including with ZnO on the aluminum air battery. Would it protect the aluminum like the liquid potassium hydroxide and zinc oxide.
@@kenkiekens7746 using KOH/ZnO gel in aluminium air battery is great idea but I think that using liquid electrolyte will work little better to protect the aluminium,... but in the end the gel type is more stable. Try it
Love your videos, i am very interested in Al-ion batteries specifically (secondary type mostly) :) An Al - Air battery made of 95% Al to 5% GaInSn alloy would be VERY interesting to see, especially with the Zinc oxide corrosion inhibitor. Would be a short-lived battery, but very powerful! Since the AlO layer would no longer be passivating the whole conductive surface. If the AlGaInSn alloy was powdered and pressed into a sheet with a conductive additive - the GaInSn will prevent the surface from oxidising and creating a protective layer - instead the entirety of the Al electrode would oxidse regardless of the surface oxidation. A chain-oxidation reaction.
*WONDERFULLY explained, my friend!*
Very interesting THANKS for sharing
Can you solder to the grown Zinclayer a copper wire ? Will this be a strong connection and low ohmic connection to the Alufoil ?
Enjoy watching your videos Master.
Cool idea, Dusan. Can you this way also bring copper on Aluminium.. then it would be easy to solder a wire to Alufoil this way ? Well done !
What about using aluminium Powder on a Stainless steel pickup electrode instead of the Alufoil ? Would probably drastically increase the current output...if the Alu powder would be used up then, will the Zinc powder then again be oxidized to ZNO ?
Hmm, I wonder if this cell then is not only a zinc air battery and Alufoil is only the pickup electrode below it ?
Or will in this case also the Alufoil consumed still somehow ?
Interesting chemistry here but I am a little confused on what is happening. If the zinc oxide is being deposited on the anode as zinc metal, you don't have an aluminium anode any more. You now have a zinc anode and a zinc air battery. If the aluminium is covered with zinc how can the aluminum be actively be involved in the chemistry of the cell? Maybe the zinc coating is not solid but just porous enough to allow electrolyte to reach the aluminum underneath?
Maybe you are right
It was found that adding saturated ZnO to KOH electrolytes provides the most protective Zn film with good adherence and high density, which can lower the Al corrosion rate by 2 orders of magnitude. The electrolyte will still go to aluminium like you said. Maybe I ad to much ZnO and thats way make a strong spontaneous deposition of Zn.
@@cayrex
You are right.
Zn is a fantastic material. So many scientists are trying to make a rechargeable battery by using Zn.
By accident or not, I hope you will be able to make great achievement in that area.
@@solidbattery9956 oh,.... thank you
So because the zinc is protecting the aluminum, can it be recharged?
Again thank you for sharing the zinc electroplating idea but i noticed that the fan needs a push to start this being an indication that the current is weaker .
The motor was rusty 😂
amazing idea
Maybe this way also a dual electrolyte battery can be easier made to get to around 3 Volts more easily ?
In the Zinc covered aluminum battery which oxidation reaction is generating the voltage ? Is it Zinc or Aluminum or both ? Thanks for posting this video.
When you connect the load to the cell,... first will dissolve the zinc and then aluminium. So for that reason is both.
very interesting,adding mesh to anode gives 100% more output -study 2021
Cool
Hello, I enyoy watching your video`s But how can you work with that" beep beep" noise in the backround it would drive me mad.
Μπράβο φίλε συνέχισε γερά......να κάνουμε και flow battery
Nice Video - if the life of the aluminum air battery with KOH is a couple of cycle, less then 1 hour, then what have you found when ZnO2 added …… is it 2X, 5X, 10X longer life????
When I make this video I try ZnO for the first time, so is to early to say. But note to the paper: "It was found that adding saturated ZnO to KOH electrolytes provides the most protective Zn film with good adherence and high density, which can lower the Al corrosion rate by 2 orders of magnitude. Moreover, configurations with a capacity near the Al theoretical capacity were achieved."
Really good!!
Nice video, can the 2nd one be used for recharging purpose.
You will get small amount of cycles
Advancement in Aluminium battery
Dacă nu am grafit placă pot, folosi grafit măcinat? Cu ce îl pot amesteca ca pe o pastă adezivă, rezistentă la electrolit?
Look at this,... ruclips.net/video/tdyJkYFxeQw/видео.html
Silver could be brought into play
It is nice to look at the results of work, and especially devices with a load. Tell me which electrolyte you use for your experiments. Thanks in advance.
What you mean by that, which electrolyte? In this project or you mean which electrolyte I use like overall?
cayrex2 what would be good electrolyte for carbon batteries?
Thank-you
@@cayrex No, I mean alkaline or not and what density does he have
Will zinc sulfate work?
No
If you fully protect alu with something, it will stop working. Alu must be consumed, right? Well, actually Zn-Air battery remains, all Zn will go into ZnOH, and then Al2O3 will form anyway
@@sc0or yes yes,...is not meant to completely stop the reaction
Very interesting chemistry, is it a Al or Zn air cell?
One would think Zn but the 1.5V is pointing towards Al, strange.
Good stuff :-) - Martin.
Uf hard to say,.... ZnO need to be a corrosion inhibitor for Al air battery. But I think that I put to much ZnO into electrolyte and that way I get strong Zn plating on Al. Right now I make more tests with this.
What was the amps on both?
around 400 - 500 mA is same almost on both
Can I try to apply this knowledge on my battery?
Yes
how much zinc oxide to use in solution.
You dont need much. If you put to much most of the ZnO will not dissolved. Solubility of ZnO 0,16 mg/100 mL (30 °C)
@@cayrex what about using that gel electrolyte now including with ZnO on the aluminum air battery. Would it protect the aluminum like the liquid potassium hydroxide and zinc oxide.
Also, when recycling the aluminum after it is used in the aluminum-air battery, what is the red mud. I have only red about it and hear it is toxic.
@@kenkiekens7746 using KOH/ZnO gel in aluminium air battery is great idea but I think that using liquid electrolyte will work little better to protect the aluminium,... but in the end the gel type is more stable. Try it
@@kenkiekens7746 red mud??? Maybe are there some impurities in your materials
Good information about batteries but very bad swearing words in a music that I didn't like.
Hehe ups, sorry for that.
Well done Host check my latest video . Build it