How I make a Most Powerfull Homemade Battery

How I make a Most Powerfull Homemade Battery
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#battery #capacitor #supercapacitor #energystorage #zincionbattery #power

[@kazeem-mustapha]

This is phenomenal!!!!! No one else in this industry has done this publicly!! Well done Carex!!! Just with Na2SO4 electrolyte? Wow! I'm elated!!

[@cayrex]

Thanks. I use ZnSO4

[@ronniepirtlejr2606]

Congratulations that is fantastic! 43 amps.💪

[@cayrex]

Thank you sir

[@Giarko]

Wooooooo this is crazy! This chemistry is crazy, I think this can really be an outstanding advance in bigger scale applications

[@cayrex]

Hoping for making a zinc ion car battery in the future. 😱

[@Giarko]

@cayrex I got perfectly in zinc ION video your ideas for the future, in a crowdfund I would definitely put some money, BTW we should talk about it separately!😉

[@cayrex]

@@Giarko Yes for sure. Hit me on Whatsapp or email

[@scantrain5007]

My congratulations! 43 A is a lot of current for this little item. A few years ago I tried to build supercaps, but I failed to get conductive materials during the pandemy - so I gave up. In the end I can image your sucsess very well!

[@Araxatu]

I think this is a promising battery to replace lead acid ones used for cars starting system

[@cayrex]

Yes, it has potential. But the self discharge need to be reduced. In the furure I will try to make a 12V car battery version.

[@Allwestconstruction]

Hello Mate, glad to see you still at it, on the first setups you 1 and 2 you use one side of zinc, then the 3rd one you use 2 sides of zinc, that's were you are getting your extra current,,,, congrats on the high amps, WOW! and 5 Amps on 1st setup without charge, that is very good, to bad you did not test the voltage, I always want to start a group that could get over 2 amps from DIY cell

[@Allwestconstruction]

I need to get one of the meter readers that can read over 10 amps, I have had so many cells that I had blown up the normal readers, had to replace the fuse, good JOB!!!!!

[@Allwestconstruction]

One more thing while I have you, Have you ever used India ink with Graphite for a glue?

[@cayrex]

Hey, how are you? Yes I am still all in! :) Last man standing. I miss old days, around 10 years ago when on youtube was more battery videos as cat videos 😎

[@infrafon]

It is clear that the current depends on the area of the electrodes. I need such a battery to power the convectors on my thermal elements running from 1 Volt, they like high current and low voltage). Tell me, does the zinc electrode dissolve when charged? Will parameters improve with the addition of manganese? What is the frost resistance of the composition?

[@gcbgx]

Very good job ! 43A and 2,1V from a credit card size cell ... Ok ! But how many Ah ? How many Wh ? That's what people are looking for 😉

[@cayrex]

The cell voltage is 1.8V. I dont know how much of the video you see, but in that video I am 100% focused into making a cell which will produce high current as possible. For the energy density of Zn ion hybrid cells you can get the data from internet or you can see one video back.

[@akrampeace696]

Would appreciate if you can share a video of HOW TO MAKE SOLID BATTERY with current and voltage Thanks

[@cayrex]

Yes I will try to find a way to make some sort of solid battery which will be DIY friendly.

[@PastoralTeacher]

@@cayrex Awesome!

[@plowizard]

Cayrex wizard of batteries!

[@techskills4046]

Thanks for the great work you are doing. That was two cells in parallel. How is the self discharge rate?

[@cayrex]

Thanks. Yes it is called a multi layer pouch cell where are used multiply cathodes and anodes in parallel. The discharge rate is around 0.4V per 24 hours. But when the voltage go down to 1.2V the discharge slows down.

[@techskills4046]

@@cayrex Thanks for your response. Keep up with the good job.

[@kazeem-mustapha]

​@@cayrex, are there complexing agents that can be added to lower the discharge rate to barest minimum? In this case, what is the the course of the high discharge rate; high internal resistance?

[@techskills4046]

@@kazeem-mustapha Yes, something can be added to reduce the high rate of self discharge. But I don't know the exact agent in this case. Self discharge is not due to high internal resistance but as a result of internal reactions between components of the cell. It can also be due to using bad separator resulting to leakage. Wrong charging voltage and overcharging can also contribute.

[@PhoneRepairRO]

What tests did you made? What internal resistance has your cell? What is the discharge current! What curent can sustain on a period of time and on what resistance load? There are 18650 cell that can do over 80amps on a short for over 5sec (others can do 100amps for short period of time)! I know is a home made but provide more details! Ty!

[@seaskiaustralasia]

This is not really comparing apples with apples because the suggestion is that the final battery/capacitor model tested (showing the very high amperage of 43 amps) is a duplication of the earlier simple cell (no. 3) which comprised a central cathode with active material each side of it and an anode of zinc that surrounded it to effectively create a double anode area and produce 7.3 amps. The final battery composition is in fact 2 cells (2 anodes and 2 cathodes) in parallel so to get an acurate measurement of the individual cell's current production, you really need to halve the final measurement taken which equates to slightly less than 22 amps per cell from an electrode area of about 47 sq. cm., which is about 470 mA per square centimetre. This is nevertheless a decent amount of current and it would be interesting to know how long it can be sustained under some load.

[@cayrex]

The plan for that video was to make a powerful cell in a size of a credit card (target demension of the cell: 8.5x5.5x1cm). So, in that case I have the volumen of around 46cm3 which I can fill with materials. Which means that I can have positive and negative active material in the thickness of 0.5cm if I want. But because in that case the layer of active material will be to thick (thiner active layer = higher current) for that reason the max current will not be so high like it was now. For that reason I go with multilayer electrode setupe to minimize the thickness of the active material layer. You know that you have many various of battery cell architectures like Jelly Roll (Li-ion 18650), z - fold, Stacked Electrode - Layered Pouch/Prismatic or also known as multilayer electrode pouch cell design, bobbin cell construction (AA-AAA batteries), bipolar, etc. Here in this project I use the cell architecture called multilayer electrode pouch cell design where the cell is made from multiply electrodes,... which is almost like jelly roll design where you have one long electrode rolled together but instead of one long electrode you have multipl small electrodes which are puted one to another.

[@seaskiaustralasia]

@@cayrex Hello Cayrex. Yes I do fully understand that battery manufacturers use clever designs to get the maximum power out of the smallest possible package. For instance, the Samsung INR18650-20Q cell with a maximum 4.2 volts (nominal 3.6v) and rated with a current capacity of 2 amps (2000 mA) is an instance of the jelly roll you mentioned and it is contained in a volume of about 16 cubic centimetres, but because its electrodes are 80cm x 5.5cm (then tightly rolled together) it really is only delivering a measely 4.5 milliamps (4.5 mA) per square centimetre of electrode surface from a total of 440 sq.cm. (440x4.5 = 1980 mA or 1.98 amps). However, this is real working current. Your volume for your 43 amp (initial current) multilayer construction is about 46 cubic centimetres in volume and I estimate it has an electrode surface area of 116 sq.cm. (the equivalent of 2.5 cells) so it is delivering 43,000 mA of short circuit current at the equivalent of about 370 mA per sq.cm. which is about 80 times greater than the Samsung battery, but your measurement is done on short circuit. The essential differences between the Samsung and your design is your cell volume is about 3x larger and your voltage is only half that of the Samsung, but the really concerning thing is that the initial current load reading is on a short circuit measurement, meaning it is not an accurate measurement of real current like that claimed for the Samsung. Just by way of example, I can measure a new AA battery on my multi meter and get the correct voltage of 1.5v but when I measure the current using short circuit, it displays the initial current as 7.3 amps yet the true amp rate for these alkaline AA batteries is about 2.5 amps, so your real amperage could be less than a third of what you are reading on your multimeter (perhaps even a lot less?). To get an accurate reading of your amps you need to get a known load in the circuit. If you publish your current (amp) readings on this basis, it could still be a very good result because I estimate that you only need to get from your battery design about 30 mA/sq.cm. to match the Samsung Li-ion power (making allowance for voltage difference) on a volume for volume basis. So, if I am correct about your real anode area being equivalent to 116 sq.cm., a real reading of 3.5 amps (3500 mA) will look very good.

[@martinwragg8246]

Impressive 👍

[@colterdenison6364]

What's the dendrite blocker made of? I understand if it's something you don't want to disclose.

[@Kangsteri]

I hate it when people do this. Like a woman that is acting like she's willing, but is not :D Or some free energy device, but there is a special mystery black box on it, that you can't even buy.

[@mikebond6328]

What’s a dendrite? Why does it need blocking?

[@colterdenison6364]

@@mikebond6328 They're basically little whisker-like growths that can get long enough to touch the opposite electrode, creating cross-over and eventually shorten the lifespan of a rechargeable battery.

[@Kangsteri]

@mikebond6328 It's like a mini icicle that forms from the zinc. When they grow on the surface, it will puncture the separator and create a short circuit. Resulting to the fail of the battery.

[@cayrex]

@@Kangsteri "Like a woman that is acting like she's willing, but is not" hahahahahah

[@jasonjaffray4025]

Awsome Video Brother Love your channel 👍👍👍✅

[@TymexComputing]

Is it rechargeable? The zinc dendrites can grow enormously.

[@cayrex]

@@TymexComputing Yes it is rechargeable. Yes, the dendrites can be a problem in non controlled system

[@slyasastech]

Thank you so much sir for shareing this valueable content ,can you tell me what should I put inside inside insted of that dandrite blocker or is it comercially available?

[@slyasastech]

This battery technology can change the drone industry larger drones require high discharge rated batteries love your work❤

[@cayrex]

I dont know about that,.... because the battery dont have a large energy density. The energy is in the region of lead acid battery.

[@Epsilochem.manufacture]

Hello friend, that's so good, like it of your project.. 😉

[@tothiusbentheum2071]

What's the voltage, How long to fully change at those amps, what is it's wh & how long will it hold it's charge at rest? If those numbers are just fair, you still have something! The fact it put out over 10A's is wild One more thing, what's it's internal resistance.

[@cayrex]

The cell voltage is 1.8V. And the energy density of standard Zn-ion hybrid cell is from 50 to around 180 Wh/kg. In my experiment a standard device have the energy density of 125 mWh/g. And my upgraded version of Zn-ion hybrid device have arounf 400 mWh/g. The internal resistance of the cell is 30 miliohms

[@leemathoo6583]

Awesome👌😊

[@arnavkumar3060]

What kind of sustained current can this provide?

[@Twistedmetal-qe8kx]

That's impressive, nice work!

[@mirandamorin6053]

Izvrsno!!! 👍👌👏

[@cayrex]

Hvala 😀

[@Happy.Chappy]

Amazing 😍 nice work!

[@evanriddle1614]

You have beat them. Li Ion batteries are limited, i think, to 10A. So the amp hours at this rate should be pretty good.

[@William_Hada]

Nice cell, great demonstration! 👍

[@randymorales1127]

great things are discovered from experiments, and many times we will be very impressed with results..it fulfills the exploration. Although many of these tight physics examples scan be explained in depth if you choose to. Believe me I enjoy the instant grat of witnessing advanced energy storage using different carbon sources, I'd like to hear all about double layer zones and faraday reactions from the inner graphoil..etc . Please and thank you sir

[@adamfilipstekly9662]

man this cell is insane but whats the voltage ?

[@cayrex]

1.8V

[@adamfilipstekly9662]

@@cayrex ok then i think i would be very interesting to make a few and try to start a car

[@cayrex]

@ Yep,.... this can be a interesting follow-up video. Which I think it will be possible to do. But I need to safe some money for that project :) Because that will be large battery.

[@kazeem-mustapha]

Carex we that love your channel can fund the expenses. Get the total cost to make the hybrid Zinc battery to start a car, then set up how to fund the cost. When the video is ready, send to those that pay directly. This is my personal opinion.

[@ShafaqIftikhar-pw9ld]

Beautiful video thankyou ❤

[@omsingharjit]

It seems more like capacitor that is delivering high current in short duration.

[@cayrex]

@@omsingharjit It is a hybride device

[@Machiuka]

Wow, very impressive!

[@mansirrabiu7412]

This Man!

[@qinaan]

what is the voltage output for the final battery?

[@cayrex]

@@qinaan 1.8V

[@javierszac2072]

En español nativo y en inglés traducido. In native spanish and traduced english. Hay algo que me provoca durar. Hiciste la prueba de corriente haciendo cortocircuito entre el cátodo y el ánodo. Los cortos dan un pico de corriente terriblemente elevado. ¿Podés hacer un video midiendo la corriente usando una resistencia para evitar el corto y ver como funciona con carga real? Gracias de antemano. ------------ There is something that causes me to doubt. You did the current test by shorting the cathode to the anode. The shorts give a terribly high current spike. ¿Can you make a video measuring the current using a resistor to avoid the short and see how works with real load? Thanks in advance.

[@jimmatrix7244]

Thickness 1 mm or 1 cm?

[@troywhite6039]

@cayrex, Impressive but how hot does this battery get, could it explode?? Some devices are delicate and need the right volts and amps not to damage their components, should design the size, density, parallel and series shape into the right mix, this credit card design just seems a random and non useful battery dimensions and power ratios for most devices. Do you have a lithium version video of this same configuration for comparison??

[@cayrex]

@@troywhite6039 The battery can not explode because it have a water based electrolyte. A battery management electronic limits the power for the device. In most large smart phones the battery is more or less in the size of a credit card dimensions which a BMS control the power from the battery. About lithium batteries all specs are available online.

[@jonsilver486]

what self-discharge ?

[@cayrex]

0.4V / day At 1.2V the self discharge slow down drastically

[@awesomecat9470]

Neat. Do you have any W x hr info for your credit card size battery? I'm wondering how big I have to make this for realistic use. Can it power my wheelchair or store enough for my house?

[@ahirdipu2849]

Thanks for

[@GmanBB]

Awersome like alwayz.

[@gsestream]

well, which is more useful, a credit card or a same sized battery. cheers. multiple such double sided pocket cells in a battery box. yep the double sided cell structure is the best. and very simple to make. credit card sized phone, hmh. how about zinc or iron foil instead of the metal sheet. also how about foil style carbon fiber cloth with some graphite powder. put more of the cells in parallel to multiply the total charging current without needing the dendrite blocker. yep like in lead-acid battery. if you have multiple swappable zinc-acid batteries side by side, then it does not really matter if its slower to charge a battery. the fast mode is the super cap mode right? not the zinc-air mode. well super caps are expected to have kA outputs.

[@cayrex]

Yes the supercapacitors are rated in kA of output and some high power supercapacitors can go over 100kW. That Zn ion hybrid battey can go to around 25kA/kg which is also not bad.

[@gsestream]

charge rate does not have to be discharge rate btw. recharge rate is usually lower. but not in super caps.

[@neutron_stz8894]

how can i reach you ?

[@cayrex]

@@neutron_stz8894 Mail, intagram,...

[@TurtleWaxed]

keep your Amps and your VOLTS straight! You write down 3A but your meter was measuring Volts not Amps....Amps is measured in sieries with the device under test. Volts is measured in parallel with device under test. Your blue dendrite blocker looks like brake caliper grease. :)

[@cayrex]

@@TurtleWaxed My meter measuring volts.... 3 volts,.... where the max charging voltage was 2.1V and the nominal voltage of the cell is 1.8V? Ok, now for reall it was 3A in short-current. Really, interesting.... I need to try that brake caliper grease :)

[@marcin4xm]

gdzie kupić tą matę węglową ? To jest taka zwykła filtracyjna do akwarium ?

[@Dionysios_Skoularikis]

Δεν έχω λόγια! Πρέπει να μετρήσεις πόσους κύκλους φόρτισης αντέχει το κελί σου. Μετά μπορούμε να συζητήσουμε τον τρόπο παραγωγής κελιών... Πολύ όμορφο βίντεο!

[@cayrex]

Thank you! A zinc ion hybride battery,.... 5000 to 10000 cycles

[@Dionysios_Skoularikis]

@cayrex Εάν προσπαθήσουμε να κάνουμε παραγωγή, νομίζεις πως θα είναι επικερδές;

[@Dionysios_Skoularikis]

@cayrex Ένταξη. Τι όμως μπορεί να κάνει το δικό σου κελί;

[@cayrex]

@@Dionysios_Skoularikis it is possible

[@cayrex]

@@Dionysios_Skoularikis " Ένταξη. Τι όμως μπορεί να κάνει το δικό σου κελί;" I dont know what you mean by this?

[@glych002]

So what… You need to give amps and volts and you need to graph out over time the volts and amps with a load, then we can figure out how many watt hours this thing can do.

[@cayrex]

@@glych002 Really,....did you even listen to what I said in the video? 🤦‍♂️ In this project I was 100% only focused in to geting high power from the cell. If you want to know the energy density then look online about Zn-ion hybrid capacitor or you look my one video before that video.

[@glych002]

@ but high power is worthless if it can only last for two seconds. And what’s the point if we don’t know what the watts are.

[@cayrex]

@glych002 Say that to supercapacitors! :) So, like I said you can see one video back (My zinc ion capacitor) where I show the energy of a standard Zn-ion hybrid device and my upgraded Zn-ion cap version. The energy of Zn-ion hybrid device from R&D papers which are online is from 50 to around 180 Wh/kg.

[@NeAlakasVar]

how many mah capacity ? please make test video

[@cayrex]

I make that one video back

[@FUNIXID]

Please beg me to publish this video worthless, this video is worth at least one unit of bitcoin and btc, youtube and audience can not pay the equivalent.

[@B.Cote39]

Amazing work my friend you are the Cell master ! Come over to the live today on OLD MAN BUILDS ! Think its in the next hour ! Lots of fellow science electro geeks like us ! Thank you 🙏

[@FUNIXID]

You are the one who worships everything and your sacred things. Delete this video. Delete this very valuable video. I disliked the video so that it cannot be recommended suggested to others. This video is hyper valuable. It has no place on KZbin. I beg and request you, I beg you, please delete the video.

[@attilarivera]

🤔

[@Dc_tech386]

Not even a phone battery that's size doesn't hold that much u achievement battery company fail to I can now get a phone battery aar 10 amp 3..5v

[@troywhite6039]

Did you see him say ouch when measuring, this battery might explode into fire like the samsung note 7 batteries and destroy your phone.

[@cayrex]

@@troywhite6039 Hehe! 43 Amps went through the cable,... of course the contacts will be hot. In the worst case scenario the cell will heat up, but will not explode. In scenario where the cell will heat up the water from the electrolyte will evaporate which in that case the ionic conductivity of electrolyte will drop dramatically. In the end the cell will create to high resistance to produce any useful current.

[@Sim-q9t]

Bro idk why but when I see the name Cayrex I am always 50% skeptical, idk why, I may have it mixed up with another channel but your content has definitely improved over time, I will say. I think maybe an old video came across as dishonest, or I am thinking of another youtuber. I only say this stuff because a 10amp homemade battery is kind of a bit nuts my friend. but now I see, it is a result of using costly carbons and stuff. If u upgrade materials, you upgrade the whole battery. Of course. I do like this channel tbh. I just love batteries, almost as much as you Cayrex. Good work, thank you. Hey have you ever taken apart a supercapacitor, or used one for harddrives, I wonder what is inside of them.

[@cayrex]

No idea if you mixed up or not hahahha. It produces more that 10 amps and it can be made with cheaper materials as well. Yes yes,... I put several supercapacitors apart in the past.

[@GmanBB]

I can send you my grapheneto try. Ping me.