Getting Manganese Dioxide, Zinc and Carbon from Batteries

Note: A good portion of the MnO2 from these batteries is actually carbon. It still worked for my bromine synthesis, but it is something to keep in mind.
Hello everyone, In this video, I get manganese dioxide, zinc and carbon from Zinc-Carbon batteries. There is a significant amount of carbon in the MnO2. It is not worth the time to try to separate it out though, unless you need pure MnO2. I used the manganese dioxide to make some bromine. This was filmed in 4K and will be uploaded eventually. The MnO2 can also be used to generate oxygen from hydrogen peroxide. I go over this in my liquid oxygen video and oxygen generator video.
I should add that this video was inspired from NurdRage's video: • Get Zinc, Carbon Elect...
I plan to do an Q and A video, so if you have any questions you'd like me to address in the video, leave them in the comments.
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Nile talks about lab safety: • Chemistry is dangerous.

[@superdave6889]

the carbon electrodes are a good way to generate a carbon arc for a furnace or to use in electrochemistry

[@tannisbrown9007]

Part of me wanted to say "nerd!" And the other part wanted to say "tell me more" lol

[@user-yw8sr3uj1w]

@@tannisbrown9007 youre commenting on a nile red video.

[@tannisbrown9007]

@@user-yw8sr3uj1w touche

[@aaronrichards5623]

😂haha i love these comment sections

[@brimful-cookie5947]

Rip T.K.O.R

[@kevinbyrne4538]

Years ago, I used carbon rods from batteries as electrodes for a carbon arc furnace.

[@TheXtremeBoltGuy]

TKOR?

[@kevinbyrne4538]

@@TheXtremeBoltGuy -- No, but I did watch Grant Thompson's TKOR KZbin channel. It was a very sad day when he died as a result of a paramotoring accident.

[@heh2393]

@@kevinbyrne4538 May he rest in peace

[@davidpavel5017]

Filming black manganese dioxide with a black background. Genius.

[@SelinicaHarbinger]

Those carbon electrodes can make some really nice electrodes for other uses. I recall one place used them for carbon arc torches for welding. I think large scale arc furnaces use carbon electrodes, the little ones might be good if a metal needs to be melted for something.

[@sizzlenotsteak]

Have used the carbon rod to replace the brushes in a motor - worked real good. Undying gratitude to my mentor, Jervis H Collins, who taught me this; we got the table saw going again. Was in his shop when the news of Elvis's death came over the radio.

[@blackfordoblique1965]

It's subtle. You might never realize it despite everything you might pick up in these series. Such eloquence makes information accessible to most people. Whereas some narration is off putting Nile Red could explain that, in fact, he is my favorite narrator and lack of vitamin O snap was off putting and, "I knew it!"

[@Noah-hz5ll]

Have you considered using a white background for experiments with very dark compounds?

[@noahLittle-smith]

How dare you

[@user-tr2dh4xx6u]

Wow no need to be racist here... color is not important

[@MM-vs2et]

How about a green screen

[@NafrytiNosferatu]

as funny as some of these replies are, i support this idea.

[@mohamedshire157]

10 seconds into reading the comments and im already triggered. Shame on you.

[@saikittang7450]

I found the best way of removing the manganese dioxide was to first remove the carbon electrode first, then using a pair of needle nose pliers, grab onto the zinc casings. By turning pliers the zinc casings can be torn apart, leaving behind a bunch manganese dioxide wrapped in paper. The paper can be easily torn off.

[@chemistryenthusiast8091]

In my chemistry class, we use Manganese (IV) Oxide as a catalyst for decomposition reaction of Potassium Chlorate, the catalyst speeds up the rate of production of oxygen gas.

[@michael3263]

To take off the battery tops use a pair of wire cutters instead of a screwdriver. Take the wire cutters and make a cut in the lip of the casing at the anode. Then use the flat edge of the wire cutters like pliers to grab and peel back the folded casing. SO MUCH EASIER! You can open one up in less than 60 seconds every time. 😀 Also, whack the casing with a hammer a few times to break up the MnO2 mix inside. Makes it a hell of a lit easier to remove.

[@No0basaurusRAWR]

I use channel locks and start on the lip. I go around the lip, gripping and pulling down, breaking the lip and start rolling the channel locks. It will peal the zinc canister off in a spiral. Once I get half way down I switch to some needle nose pliers and grab it from the bottom of the piece I was just rolling and peel it down to the base. Then I can just pull the insides out cardboard and everything undamaged.

[@aathish04]

And here I thought I'd made up the process.

[@TuberoseKisser]

I have zero clue as to what you're talking about but this is relaxing to watch.

[@dirkherrmann8022]

As a child I used to take apart old zinc-carbon batteries to get hold of the carbon rods for plasma experiments (with life-threatening 220 V wiring ☠️ and a stench of NO2 in the kitchen air). It’s fun to watch ultra-fireproof magnesia sticks melt down above 2800 °C, or to distort a plasma flame between bar magnets, loudly vibrating at 50 Hz. I even built a working 220 V plasma-burner from these rods (hollowed out to direct the air + arc plasma through the electrode). Together with soda I converted the MnO2 to sodium manganate in my Grandma’s coal-fired oven, which formed nice purple NaMnO4 with time. No access to chemicals - so one has to help oneself. As for the zinc... well, there was not so much of the metal left once the batteries had finally died. Anyway, I used that metal to build other batteries (eg. Cu/Zn). Sounds silly, is silly... but was fun to stack the coins to reach some 50 Volts and to draw little arcs out of formerly dead batteries.

[@OrcinusLaryngologist]

Nice, you should write an intractable. We’d love it over at the site. 👌🏽

[@vasiaswolfram3113]

Thanks, NileRed! I'm currently working on separating the manganese dioxide out, and your video helped a ton! I will take the advice of the other comments and purify it better.

[@EnkiduAk]

Might be interesting to see you convert the zinc to U-Ni-B and try to reduce your vanillin oxime again. Most of the literature that I've read on U-Ni-B catalyzed reductions involve high pressure systems, would be nice to see a demonstration at normal pressures.

[@bharrison4]

I need some MnO2 for the reaction with H2O2. Great video!

[@NileRed]

+Land Shark I actually totally forgot about mno2 being used for that!

[@chrxs_383]

(Probably has been said before) You can use the carbon for electrolysis of water to make a hydrogen generator or just for electrolysis in general.

[@toddoroi4947]

You should try disassembling the "F" cells from a 6 volt lantern battery, out of one lantern battery you get quite a sizeable yield of Zinc, MnO2 and some quite large carbon rods.

[@bugsbunny8691]

You ought to take one apart too, I know you'll be surprised at what you find... Spoiler Alert!!: 4 D-Batteries. Take a 9 volt battery apart and SURPRISE: 6 Triple A's.

[@arthurbourasseau4845]

@@bugsbunny8691 It's actually quadruple A's in 9v batteries

[@threesixtydegreeorbits2047]

@@arthurbourasseau4845 thats like A^24 😱

[@user-lb8do4ew6k]

@@bugsbunny8691 ummm, no. There are 4 F cells in a lantern battery & there 6 AAAA's in a 9 volt.

[@bpark10001]

I would have thrown the batteries with the tops opened into a container of boiling water. This would have liquefied the cell contents and made disassembly easier without all the digging. You ended up having to throw a bunch of water in anyway. Doing it earlier would have made everything easier. I would have used tap water until the final washings. You are discarding all the water-soluble stuff anyway, and it isn't hazardous. You could open-fire the MnO2 to eliminate carbon dust after drying (there is a lot of that mixed in to make the MnO2 conductive, as electrons have to get from the cathode connection, through the carbon rod, and to the MnO2 to complete the cell half-reaction). There are most likely organic gelling agents and thickeners in there also. Many of these will wash out if you use enough water. For thew carbon rods, you need to fire those to get rid of tar and other organics.

[@TheChemistryShack]

that 4K bromine tho

[@sebastianflynn1746]

Looking back at these old nile red videos is funny, it's changed so much.

[@redwithblue]

They*

[@Lucy-vk1el]

It's so much more satisfying sourcing materials from common objects and chemicals. Buying a canister of oxygen is way less fun than making it yourself from some batteries' MnO2 and hydrogen peroxide.

[@Angelisium]

I'd like to see the Luminol one, since I will be doing it in Organic 2 this semester! Would be lovely to see it done before hand.

[@tyt0uoff146]

Manganese Dioxide is a REALLY BIG MESS to clean up of the glasswear

[@nico142]

Na2SO3 should work

[@SuperAngelofglory]

H2O2 should wash it away

[@Chemoscopy]

What all you told is right. Try adding mild acids or some reactive but don't do use hcl it may react with the floor and may cause a severe mess

[@zillertalernazihass]

Holy shit I tried this at home. MnO2 is ths dirtiest chemical I've ever seen. I contaminated my whole house. Its so fucking hard to wash it off. Damn... What a mess

[@tf3confirmedbuthv54]

Bonus: the carbon rods are phenomenal for high temperature operation and are great conductors, good for arc welding

[@rumeunner3245]

About 10 years ago I took dozens of carbon rods out of old batteries and cleaned them and they were in good condition. Eventually I put them up for sale on ebay and got some money for them.

[@iwoborowicz6004]

I highly reccomend reducing MnO2 to MnSO4 by a mixture of sulfuric and oxalic acid. It just produces CO2 as a effect of reducing Mn4+ to Mn2+. And then turn it into MnCO3, it's the purest way i found. The paste you find inside is MnO2 mixed with graphite powder, that's why you need to reduce to something soluble like MnSO4 to filter it off.

[@theravinglunatic470]

great work man, keep up the good videos!

[@scottaw1981]

for removing the contents of a dry cell battery that was covered in corrosion, I brushed a solution of 'Cream of Tartar' and vinegar around the zinc shell and wrapped in paper towel, soak in the solution. After a few minutes the casing just crumbles away allowing easy access to the core material. I was using a lantern cell, two of cells were bad, but the other were in perfect condition. I would not use this if you wish to keep the zinc of a good battery.

[@ametrinemoon]

thank you for your donation to science batteries!

[@Puddin]

I recycle these batteries on a pretty consistent basis. The black power you have a the end is not just MnO2. About half of that is carbon powder and it laced with iron impurities. I would even go as far as to say that your "yield" that you have there is less than 50%. Drop some of it in HCL and you will see the carbon power sink to the bottom and instead of a pink solution as you would expect with MnCl2 you will see an orange/brown solution. This is the iron contaminant. I am an avid fan of your videos but I think you dropped the ball on this one. The info you gave in this video is incorrect enough to be dangerous for people.

[@louistournas120]

He also calls it manganese dioxide. The correct name is manganese (IV) oxide.

[@ficolas2]

Both are right...

[@bluechem5479]

the water washings dissolve iron impurities and zinc chloride in the batteries in the black powder, so the main source of contamination would be elemental carbon. I see your point if one didn't wash the MnO2 before use.

[@louistournas120]

***** You would have to react it with an acid to turn it into a soluble salt. I think sulfuric acid would do. Then use a filter to remove the solid carbon. Unfortunately, this reduces the Mn(4+) to Mn(2+) if I recall correctly.

[@ClownWhisper]

Puddin you beat me to it I was going to say the same thing lot of carbon in there

[@itssciencedude5893]

Awesome videos. I'm glad I stumbled upon your channel.

[@UnknowableThen]

I really would do this to make a pigment to make cool paintings with. Its such a pretty color.

[@todor_.]

That crystallizing dish though, the horror.

[@NileRed]

+Dankula It died after i burned phosphorus in it :(

[@todor_.]

Nile Red R.I.P crystallizing dish; you will not be missed.

[@indigo6619]

+Nile Red Time for a HF acid clean.

[@ClownWhisper]

+Nile Red its probably etched not ditry. I have never had a good base bath fail to clean up anything

[@NileRed]

Clown Whisper I have actually in the past had some stubborn stuff in RBFs that wouldnt clean out with anything. Base bath, water bath, aqua regia (trying everything). It had to be manually dislodged. Not sure what it was.

[@deakenwylie3819]

I found it amusing that, when KZbin suggested, for the nth time, that I rewatch this video, the first ad was a consumer safety PSA from LGChem about the dangers of handling bare dry-cell batteries. A built-in "don't try this at home", as it were.

[@gingie3397]

Nice job. Keep up the good work.

[@seannot-telling9806]

I always enjoy your videos. Keep them coming. Happy Halloween 2018

[@allurared9029]

Hello, I tried this for myself with a cheap lantern battery and I found a few things to note firstly, dont do this in a place you cant clean up, its difficult second, try cutting the zinc can open and peeling it around the paper, you get the entire clump out and you can peel the paper off third, The chemical actually isnt just carbon and manganese dioxide, it can contain zinc chloride and ammonium chloride. Sometimes, typically when the battery is called heavy duty, the powder inside is composed mostly of zinc chloride.

[@danieliusb2234]

It was mentioned that both electrolytes get removed with the washing

[@krisraps]

Thumbs Up for Reycling And Reusing The Water Jugs, I Do The Same, Use Them In All Kind Of Projects for washing stuff and puting stuff in

[@nevenjaganjac3229]

Ypu can always do some kind of electrolysis with carbon electrodes. Maybe a small Hoffman aparatus or something. Or a small aparature for synthesis of Cl2(g) from NaCl solution.

[@Codename-B]

Great, I needed a cheap source for Manganese Dioxide for Parkerizing stuff. Thanks!

[@putinscat1208]

You can buy a 500g bottle for $11.60

[@Codename-B]

@@putinscat1208 Sadly is a controlled substance where Im from.

[@putinscat1208]

@@Codename-B Except for enhancing fireworks it is pretty tame.

[@thebestofall007]

Nile Red, could you make a battery next time around, like a type Nurdrage hasn't covered such as nickel-iron or nickel-zinc, or improve on one Nurdrage has covered?

[@willyou2199]

Had i had access to hydrochloric acid or sulfuric acid, would've just dumped the entire de-shelled battery assembly into acid, with the manganese dioxide and cardboard inside. Zinc and manganese would dissolve into the acid, the electrolyte which would be zinc or ammonium chloride would be soluble, and you had to just decant away the carbon and cardboard. Zinc would be easily electroplated out of the solution, using the scavenged carbon electrodes as an anode, and manganese chloride + small impurities left in the solution

[@bigboineptune9567]

Do it outside or in a fume hood as manganese dioxide reacts with hydrochloric acid to make chlorine gas.

[@dogodogo5891]

did you try this method? have bulk of manganese dioxide and surely there' so much impurity on there

[@Cardmaster12]

To this day nigel still doesn’t know what’s at the bottom of his crystallizing dish

[@erokfussell]

You could always use the carbon electrodes to make potassium perchlorate via electrolysis:)

[@martingardener]

Oh this would have been a great chance to demo sohxlet extraction of the electrolyte! Its hypnotising to watch :)

[@viktoraggerholm5102]

The voiceover quality is on another level

[@redwithblue]

Ik it's very bad

[@davidallen9459]

I'd like seeing some ammonium formate for the next video. I tried making some myself, but I got an abysmal yield. I'd like to see the approach you take.

[@DOKA2001]

Oh wow i finally know what the black stuff in those batteries is. I took apaet a ton of those heavy duty 6 volt batteries and had a total of 1.3kg of manganese dioxide

[@Halloween111]

I've used the carbon rods in 6 volt lantern batteries as electrodes in an arc furnace powered with microwave transformers.

[@Krotiro]

In dry cells there are other components, not only MnO2. Also ZnCl2 and NH4Cl, but I think that those salts dissolved into water when you washed it.

[@Austin_159]

Hello from a fellow Canadian! Nice seeing another large Canadian channel… I feel like you don’t see very many large Canadian channels (at least in comparison.) What part of Canada are you from? Toronto here! Anyways amazing channel keep up the great work man.

[@metou3072]

Use a tubing cutter on both sides of the zinc tube and you can then easily push the magnese dioxide from one side and out the other without having to remove the outer casing... and you will be able to take out the carbon very easy after cutting with the tubing cutter by pulling the positive side of the battery while the metal is still covering the carbon

[@Boogie_the_cat]

"Brawndo's got what plants crave, because it's got electrolytes." "But what ARE electrolytes?" "They're the stuff they use to make Brawndo"

[@caitlyn7310]

Oh wow, I realized I didn’t comprehend a single word he said, I was so zoned out thinking about other things

[@hamzarafiq9347]

Carbon rods can be use to write on paper..... 😂

[@Mister_Brown]

you can also use the big cells from lantern batteries or even better the flat packs that are sometimes in lantern batteries

[@NextGenAge]

Perchloric acid synthesis also seems much fun, it's the strongest acid (better than sulphuric acid and nitric acid). It's made from reacting KClO4 or NaClO4 with HCl and can be purified by distillation. It's used in rocket fuel and as superacid it has a pKa of -10, and is used in creating perchlorate salts. Some side note: It's reacts violently with organic material, e.g. a bath of 1000L with 75% Perchloric acid and 25% acetic anhydride exploded and destroyed 25 homes and damaged 250 nearby houses. Seems fun!

[@jebug29]

I really want to see the video where you show the effects of common acids on your skin. Hearing you say it a few videos ago terrified me, but now I'm really curious - especially since I've been using sulfuric acid a lot. Have you considered doing any videos on polymer synthesis (or maybe just something like making cellulose acetate film)?

[@NileRed]

+Jesse Downing Ive actually not considered any polymer stuff yet. That kind of stuff does fascinate me though Ive already filmed putting the acid on my hand. I filmed it in 4K though, so i am trying to upload all my older videos first before starting on the 4K stuff. I think have like 5 more videos? So maybe we are looking at the first or second week of Feb.

[@jebug29]

Oh okay. That's not too far away anyway lol. I look forward to all of them ^^ Polymer synthesis is pretty cool. I tried making cellulose acetate today, but I'll have to wait until tomorrow to actually see how it came out. It was the first time I used chloroform - which terrified me - but, hey, that's what fume hoods are for. If you ever get into it, look into the synthesis of polyethylene, polystyrene, bakelite, and cellulose acetate. Those are fairly easy to make (well, the PE might not be), and they're not covered much on KZbin.

[@NileRed]

***** I plan to make some polystyrene at some point!

[@edgeeffect]

When I used to take batteries apart, I was always looking for a good method to purify out the carbon and the dregs of the electrolyte.

[@flame3723]

'This was a dead dream' story of my life bro

[@jonathandavisidalia]

Great vid, but my 'VARTA' brand carbon zincs from Bunnings didn't have a rod in them... it was just full of MnO2 and had some pulpy, paper-like stuff in the middle. Not exactly easy to open - luckily our new house came with a giant steel mallet which did the job fairly well. There was a tiny little white wire that went from cathode to the electrolyte but it wasn't any form of carbon. So just beware that some batteries may not have the carbon electrode in them when you buy - go for those Panasonics, and get graphite electrodes from either pencil refills or a $2 5pk on eBay.

[@griml0gic420]

6v lantern batteries are a good choice as they are very large and only contain 4 cells

[@noahd8673]

You can use The carbon electrodes for electrolysis

[@allurared9029]

i just got around to purifying this by filtering dissolving the chlorides and filtering and it made a huge mess. after mom yelling at me for having the kitchen table occupied i threw it all in some baking pans and put it in the oven. you actually dont need to wear gloves while doing this, i didn't and no irritation occurred at all. I would still wear gloves though, as it was fairly hard to clean off the black goop.

[@rebeccah7496]

Hey! Thanks for the video :) How do you dispose of the manganese dioxide after use/if you don't use all of it? I used manganese dioxide from a battery for a home lab for school and now I don't know what to do with the waste since at the battery collection you're only supposed to leave whole batteries. I of course also asked my teacher about this, but maybe maybe you will reply faster (or someone seeing this)

[@kadenlarson9992]

oh you feel bad for people that have to do that with double A's? imagine doing that with the 6 tiny batteries inside a 9volt

[@beneric73]

hi nile and thanks for the video ! i see that u use the same type of filter (i gess we can tell that this way) for your vacume filtration that a chemist give me for make my own lab. But i actualy always use bushner for vacume filtration so i don't know if this kind of filter (the one in the video) need a filter paper lair on it or if you simply poor the mixer on it and set on the vacum. Hope u undestand my bad english and the meaning of my question.

[@PhilmoreJenkins]

Might be a silly question, but wouldn't the bottom of the crytillizing dish be scratched/scuffed on purpose in order to form a surface for crystals to form? To my knowledge crystals have a hard time forming on smooth surfaces, so wouldn't it be abrasive on purpose?

[@anarchoicarus1119]

You can also use 6V batteries for a larger source of manganese dioxide

[@DryLog420]

Yay! Dollarama! This means you are also Canadian :-) Cheers bud

[@yasyasmarangoz3577]

what

[@DryLog420]

@@yasyasmarangoz3577 clearly I wasn't talking to you... Dollarama is a dollar store chain that is only in Canada...

[@yasyasmarangoz3577]

@@DryLog420 cLeArLy I wAsN't TaLkInG tO yOu, no shit sherlock? Maybe he just bought it there, I've seen him using German chemicals, does that mean he's German?

[@DryLog420]

@@yasyasmarangoz3577 wow you are continuing to impress me. I didn't realise people get involved in other shit. If you think hes german good for you.

[@nuggert]

@@yasyasmarangoz3577 nile is actually canadian tho

[@procactus9109]

Get the 6 volt lantern battery's. They have 4 massive cells in them.

[@igrewold]

cost? Seems he got these C/D cells for a dollar pair/each

[@philkarn1761]

Even better, get some #6 dry cells. They were common when I was a kid, but I don't know how available they are now.

[@icebluscorpion]

Hey Nilered do you think you could use those carbon electrodes to deposit corbon on those electrodes by producing an arc in pure CO2 atmosphere? Do you still have that co2 chamber?

[@Tanukibby]

KZbin can't demonatize a channel that actually teaches you things !!!!

[@hollingharris659]

oh wow that's sweet. i wanted to do electrolysis but didn't want to have to buy carbon electrodes. now i can just crack open a couple of dead batteries instead

[@ServitorSkull]

I like how you say "we" :)

[@sabiramulani4536]

MnO2 is also used as a catalyst

[@youtubecomenter3655]

Benzaldehyde!! Great video

[@bkm83442]

Wouldn't it be easier to make MnO2 by decomposing peroxide with KMnO4? It will produce oxygen, MnO2, and KOH? You can decant or filter off the KOH with additional washing as necessary.

[@sgeorgeBJ]

you are very good.excelent job. i m thinking what do you know about lysergic acid, diethylamide and using them together?

[@NileRed]

+George Santis I know that lysergic acid is something you should forget about

[@sgeorgeBJ]

+Nile Red what diethylamide is and it could be like liniment?

[@tinsoffish1810]

Send me all your results😀

[@tinman5691]

Hear hear , I also accept samples from such experiments. Along with checks and money orders. Message and I'll send a self addressed stamped envelope right away!

[@alexnomad5382]

That's a lot of work. Just crack the batteries open at both ends, remove the organcie materials (carbon electrode, plastic and paper) then heat it up to 535c. The ammonium chloride will evaporate and the manganese dioxide will melt away from the steel shell.

[@knvssarveswararaokanuri2998]

Exlent explanation sr

[@196Stefan2]

Maybe the carbon electrodes can still be useful for the synthesis of "home-grown" Sodium by an electrolysis of molten NaOH or a mixture of molten NaCl and MgCl2 (two salts for the melting point depression)?

[@chemicalaffair.]

Get lantern (block-) batteries - they are really the best! They got a huge amount of manganesedioxide in it!

[@Otaku3009]

What is the difference in the extracted material between a fully charged and a dead battery I wonder? Less ionized when dead?

[@TungHoang-xe5eg]

I often wash my beakers with methanol then another wash in oxalic acid and they usually work.Have you tried that before?

[@SteveBurgerman]

1:41 for a second I thought that was a really cool bong

[@khayyam741]

The outer shell is easier to take off using needle nose pliers. Twist the pliers while holding the shell and it will wind onto the pliers.

[@toryknotts8026]

I feel like I should be on some kind of watch list, after viewing this

[@ballsofsalsa01]

What did you do with all the discarded water and liquids? Like you used litres and litres of water for this whole thing, but did you clean yourself the water contaminated or just pour it to the sink ?

[@noone42069]

Arc flashlight with the rods lol, careful of uv burns!

[@jozefnovak7750]

Super!

[@ukaszsypien5267]

I'm curious if there is any way to regenerate electrolyte and MnO in spent battery, to create a custom voltage / capacity battery

[@EmeryProductions]

Are you in Canada? I spotted a dollarama sticker on the battery pack as well as a Tim Hortons cup in your ddt video!

[@pocketeights8665]

i would love more vids on batteries

[@johnhenkel5572]

I just opened some Sunbeam brand batteries and near the one end of the carbon rod was some clear goo. It looked sorta like rubber cement and had a similar consistency. Do you k ow what this is?

[@lavasharkandboygirl9716]

Is this safe? To take batteries apart? I’m looking to get a bunch of thin sheet zinc for an experiment and batteries are probably a really good way to get it

[@ezquimal]

I remember put that Panasonic battery on the freezer to recover a few volts

[@piyankasmakeover3983]

Thanks for give me the information i am soooo happy😍😍😗😗😗😗😚😚😚😚😚😚😚😚 i like your garage labouratry and chemicals thank you

[@user-oj5yj8tf9e]

Какя Лакомка получилась!👍♥️

[@Lunas2525]

Zinc has a low melting point could melt zinc cans clean off dross and have mostly pure zinc. As for the ends and outer shell steel recycles

[@jacobopstad5483]

I was hoping to know more about what could be done with used batteries.