6 Cell Aluminium/Air Salt Water Battery
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- เผยแพร่เมื่อ 29 ก.ย. 2016
- Sci4Funn - This battery can power a 9 LED flash light continuously for more than 30 hours. It is simple to put together using ordinary household materials. When the battery goes flat, it can be rebuilt easily.
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Congratulations from Brazil, Yu Peng!
Like me, most certainly Alessandro Giuseppe Antonio Anastasio Volta would love watching your beautiful work!
Thanks for your kind comment
alessandro volta is more familiar to me
thanks ! it is a very good project for exhibition my teacher also appreciated it.
Excellent work Yu Peng.
your work is very nice KEEP IT UP God bless you
Thank's, it's a nice and clear video. Keep up the good work !!!
Hi..
Excelente trabajo 👍
Saludos desde Argentina 🇦🇷👋
Thinking of making multiple about 1 ft long each and not put any electrolytes until needed (like when the power goes out for days due to hurricane). I love this design
Gracias por aportarnos este conocimiento. ☺️
What's interesting is that you put a stainless steel current collector between each stack. When I stack these types of batteries they get very hot and make lots of gas. Thank you!
Great video
great video so easy! Simple hacks like this, could cause MAJOR shifts in human life! Especially a technology like this, in India, there is scrap like this lying around everywhere, if taught, in places where there is no electricity, people can easily make such batteries
Well done. Bene factum.
Brilliant idea!
Very nice idea🙏🙏♥️
Gracias Yu Peng haga mas videos creativos asi son muy valiosos
Wow it's very good idea, I'll try it later if i have time
👍👍👍👍❤️❤️❤️ baguuus
nice video please make ur next video a rechargable baterry
Hello! I’m using this battery for a final project in my chemistry class, and I have a question: what would the chemical equation for this battery be? If I understand correctly, the reactants are activated charcoal/carbon (c), aluminum (Al), salt water (NaCl), and steel, though I do not know what the molecular formula for steel would be, as it is not a single element on the periodic table, and can be made up of a variety of different things.
Battery need air to breathe. Why compartment no hole for that ?
Super
Nice
awesome
Can one use supernatant solution of calcium hydroxide solution to make it rechargeable?????
Great .. gave a big challenge to read white text against white background!!!!
can we use activated charcoal capsule.
we will paste the alumunium isk on the plastic ring
you are the best grandpa
Thanks. You are very kind.
How long does this battery last?
Great battery! But can I replace the stainless steel disks by a cheaper metal? If so then what metal?
You can replace it with thicker aluminium disks, or forget about the stainless steel disks. It is not necessary really.
How long does this battery air aluminum last?
Friend Yu Peng, excellent video, very instructive and calming. I learned much. I have subscribed to your channel.
朋友YuPeng，这个视频是最优秀的。 这很容易理解。 书面说明很容易阅读。 我也非常欣赏背景音乐安静而平静，而不是响亮而喧闹。 我再次感谢你。
Péngyǒu YuPeng, zhège shìpín shì zuì yōuxiù de. Zhè hěn róngyì lǐjiě. Shūmiàn shuōmíng hěn róngyì yuèdú. Wǒ yě fēicháng xīnshǎng bèijǐng yīnyuè ānjìng ér píngjìng, ér bùshì xiǎngliàng ér xuānnào. Wǒ zàicì gǎnxiè nǐ.
Thanks for your kind comment.
Keep doing great work :-)
Love this video thank you.may I ask what the result of scaling this up into a 45 gallon plastic barrel? what if I had many more layers inside? or linked six such big barrels together? why graphite ? What else could be used? thinking copper. looking forward to your feedback jason t
Larger scale would provide larger current; like between C, AA and AAA battery. More layer provide higher voltage just like stacking several batteries one on top of the other.
is it activated charcoal?
Yes, it is. Regular charcoal will work also, but not as well.
awesome i just have one question, this kind of battery can be recharged using a battery charger?
Unfortunately, it can not be recharged.
does the 9 leds are just connected in parallel or there are some sorts of external circuit? how come these 9 leds are bright with only 55 mA?
No. they are connected in series, since the cells are stacked one on top of the other. There isn't any external circuit. As you know it takes small current to light up LEDs, but it does need a voltage of 2.5 - 3V or higher, depending on the color and the type of LED.
looks good! what is the purpose of the stainless steel? is it possible to use other types of metal?
My guess is yes...maybe the steel n alluminium he used too show because we can access for free...but my guess is hammer flatten a coil off copper wire so it is flat like a coin and then hammer some old batteries open n get the zinc n use that it would improve the power I'm sure and also free...old batts n bits off random old wire...there will be lots off ways too improve but the key is making from cheap or free resources 👍👍
a summing aluminium is the fuel if using thick plates of it and a constant supply of sea water to keep fresh how long before the graphite needs changing or does it just need ajetating? I am inspired by your work to further experiment with this idea
Yes, there will be holes in aluminium sheet eventually. Using thicker Al sheet/plate will make it last longer. This is an Al-Air battery, charcoal is there to provide large surface area to supply the air; charcoal does not get used up. I put this battery together, because I want it to be portable.
Yu Peng Can you use iron oxide instead of carbon for air to circulate?
I don't think so. Activated charcoal has very large surface area which provides oxygen from the air required for the reaction.
Así deberían ser todos los videos de TH-cam porque si funciona no es falso como el 80 %
Pretty cool ,but it looks tedious to replace the materials for further use.
Never have too replace the charcoal or the plastic pipe...all you need too do is put a few small holes in the bottom and pour salt water in let it drain and wait a short time so the possitive n negative are not connecting via the liquid sort off let the charcoal refill but the rest dry out slightly that's your recharge...probably have too wait 1/2 mins and you got another full charge
hello thanks for sharing your knowledge, I am curious if it is possible to charge a mobile phone using a stp up, with this type of batteries,
Можно сразу от подобной батареи напрямую заряжать
what is the use of charcoal , can we use any other thing instead of plastic bottle
Charcoal is used to provide oxygen for Aluminium/Oxygen reaction. Any material can be used as long as it is an insulator.
Hi very good video! Just wondering if you're selling the housing of the lamp and the materials ready for use to make the same charcoal battery lamp like yours? We just needed it for the final requirement of my project. Please I needed it to graduate. Please reply if its possible.
Sorry No. Check out my 2nd version of 6 Cell Aluminium/Air Salt Water battery. Most likely you already have all the materials required in your household, except activated charcoal. It can be purchased at the Pet Store. It is used in the aquarium/fish tank to filter the water.
Is these rechargable
how to get 240v current using this??
how can air get in?
i dont know why i cant reach that amps , i just build for 8 cells its large than that and my results for each cells just 0.6V with very small amps like 1 or 5 mA .... iam using wire (copper wire) for + because if iam using alumunium on top that cannot work (the current not flow) also using table salt
Are the stainless steel disks really necessary? Couldn't I just put a cell on top of the other?
No, it is not necessary. I THOUGHT it would make the cells last longer.
Can you give advise how to increase the current?
It is difficult to get large current out of cell like this. If you want it to drive a motor, select small, low current motors like these:
www.ebay.ca/itm/2pcs-pair-DC-3-7V-6-14mm-Micro-DIY-Helicopter-Coreless-DC-Motor-With-propeller/282584460396?hash=item41cb58ac6c%3Ag%3Am7UAAOSwIxZZgXE9&_sacat=0&_nkw=micro+coreless+DC+motor&_from=R40&rt=nc
Where did you buy
battery is good why dont we go make
chepest ( turkey)
can this batery be re charge?
y el catodo de aire, el difusor de gas, etc.....
👍
Maybe using steel sheet and and using a solution of caustic soda, can be made rechargeable.
good video.
I made a setup similar to this and got around >4 V and connected it to a 1.5 V motor but it didn't run. Then I figured out that the current generated is really low and I got something like 20 mAmps. So how can I increase the current in the same setup sir?
One could increase the diameter of the cell. But I am not sure it could provide enough current to run regular toy motors, they usually need large current. I would suggest to try a low current micro mini motor like these or a vibrating motor.
www.ebay.ca/itm/Pair-DC-3-7V-40000RPM-100mA-7-x-16mm-Motors-w-Helicopter-Propellers-T1/252511477270?hash=item3acadb5e16:g:f7wAAOSwZVlXv7uG
Yu Peng Thank you so much
More battery like this in paralal,more surface of aluminium and more carbone means more current.
How did you connect the wire to flash light?
I used small alligator clips. If you don't have alligator clips, just wrap one end of the copper wire around the screw, tape the other end to aluminium strip with Scotch tape; making sure they have good connection.
It will be use for major application..?
Large scale salt water battery is still under development, I believe.
We made the same arrangement and we are getting somewhere around 4.3 V and we connected it to a 1.5V motor but the motor is not running. What to do sir ? Can you tell me the problem?
May be your motor needs more current than it can supply. Can you power a 9 LED flash light?
Yu Peng how can we increase current for the same?
The trick here is to find a low current motor, but it is not easy to find it. The one I used is a micro-mini motor from eBay.
www.ebay.ca/itm/10PCS-4-2V-61000RPM-6x14mm-DC-Magnetic-Coreless-Motor-for-Helicopter-Model/261581925483?hash=item3ce77f6c6b:g:kGwAAOSwh6xTvRWu
What is the reason for discharging and reolacing carbons and plate. Can i replace only the tissue paper. And fill salt water is it ok??
Chemical reaction taking place in this cell is between Aluminium and Oxygen from the air. Aluminium, therefore, will be slowly used up/consumed, and it needs to be replaced.
we will paste the paper on the aluminium sheet.
This is more of an iron - aluminum battery? Since you're putting steel as your anode?
No. Stainless steel disk is optional; without it, it still works. Here stainless steel disks are used as connectors. The chemical reaction taking place in the cell is between Aluminium and Oxygen from the air.
Yu Peng OK.
Why not use all aluminum?
Yes, one can use Aluminium disks instead.
How long will this battery last before it dies out?
My lasted more than a day running non-stop.
what is the mechanism behind this prototype sir?
Electricity is generated through the chemical reaction between Aluminium and oxygen from the air. For more info see the article at en.wikipedia.org/wiki/Aluminium%E2%80%93air_battery.
Unfortunately this was discharging pretty quickly as seen near the 4:30 to 4:35 mark. As a long term solution, this isn't helpful but for emergencies, this can do some things I guess.
What can we use in place of stainless steel sheet
grafoil
Honestly I didn't need to replace the disks if anything I just scuffed them up with a bit of sand paper, replaced the paper towel with fresh and boom refreshed
How long does it last
@@abdulshafiqi couple days long as the separator material doesn't dry out.
does it have to be activated charcoal? or can I use regular charcoal but crushed
Yes, it has to be activated charcoal.
Use KOH electrolyte gor better performance
can I recharge it with current.
No. Aluminium foil and charcoal need to be replaced.
is this iodized salt?
It does not matter what kind of salt you use.
How many volts are the 9 LED flash light?
It will need 2.6 - 2.8 V at least to light up the flashlight, but it will not be bright. It gets brighter at higher voltage.
Okay,@@yupeng5503 and thanks for your help 😊
How much have mAh?
Sorry, I don't have the number, since I didn't measured the current.
SOOOOOO..... WOW,, there is a charged aright in there???
is it chargeable ?
Unfortunately No.
What is the ratio of salt to water?
Add enough salt to water until there is some salt left at the bottom of the bottle. It is not that important what the ratio is.
Why air is mentioned the battery is closed tight right? How can air entre?
The reaction taking place in this battery is between aluminium and oxygen. Active charcoal can adsorb large amount of oxygen from the air that is required for the reaction.
@@yupeng5503 so before setting up itself when charcoal is exposed to air it could have adsorbed the oxygen from air?
Yes. Oxygen is already adsorbed by active charcoal. However, the bottle is not air tight, air can always get in.
What is the use of salt water sir :)?
Salt water is used as the electrolyte, so electrical current can flow through the cell.
rechargeable?
No, it is not.
I can't seem to get any amperage. Could you guess why?
Can it light up LEDs? If yes, the current must be flowing through, check the meter connection. If not, are you using activated charcoal? Regular charcoal does not work well.
It wasn't able to light up LEDs although it was producing 3V from three cells. The only thing that's particularly different is the steel plate, where I used steel mesh from a kitchen sieve. Where did you get your steel plates from?
Don't use the steel mesh, it is the problem I think. In fact steel plates are not necessary. I used it because I thought it will make the battery last longer, but???? Check out my new version of 6 Cell Aluminium/Air battery video. It is much simpler to make, and does not use steel plate.
try vinegar or lemon juice instead of water.
Would it possible to create a multicelled battery with only one electrolyte sir?
Salt water is the only electrolyte used here.
yes but would it be possible? if I submerged the anode and cathode to the salt water using your design?
No, I don't think it will work. This would make it to become just 1 cell.
oh so I would get a result similar to creating a battery with a parallel circuit, and stainless steel is both rust and corrosion resistance correct?
Not really. Because the rest of the cells will be shorted, therefore, only the top cell will be working. Also stainless steel discs are optional. It will work without it.
Watch periodic table????????
Use Zinc instead of aluminum, potassium sulfate pool cleaner as electrolyte. Trust me
I do it, zink + sodum hydroxsid + grafit, it is good, but it dont last,,,, not rechargable
where do you come from! !
from vagina
What is a pill bottle
Pill bottle is the bottle that the Pharmacists use for pill/tablets. For this experiment you can use any bottle with a lid. For a simpler version of this battery, see
th-cam.com/video/Z0TwRwMBzsY/w-d-xo.html
0.2585 watts
Use potassium hydroxide organic sodium hydroxide get more current
Why not just replace the salt water? The power is coming from the salt water, as it has a disbalance of ions, its the charcoal and aluminum that controls the flow of electrons.
Just made mine with ‘human urine’ ...... it works well even though it is disgusting!!!!
Does it work?
Will normal charcoal work?
HOLA AMIGO EL PROYECTO ESTA BUENO SOLO ES ABURRIDO LA MUSICA ES ORRIBLE SIN OFENDER JAJA CHAUU UN SALUDO
Can anybody tell me the chemical equations?
anode: Al(s) + 3OH−(aq) → Al(OH)3(s) + 3e−
cathode: O2(g) + 2H2O(l) + 4e− → 4OH−(aq)
overall: 4Al(s) + 3O2(g) + 6H2O(l) → 4Al(OH)3(s)
@@yupeng5503 Thank you sir.