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That is pretty common. The silliest thing you can do is to put all sort of sulfates into batteries in the hope of resolving an issue. Urban myth will never die. Pencil lead can consist of some odd compounds in addition to carbon (how do you recondition a car battery). There are lots of carbon powder producers. Automobile tyres have to do with 50% carbon.
Does not cost an arm and a leg. Afdhal- I get cadmium from used NiCd cells-aaa or aa sizes- such as found in solar garden lights- after a few years they are thrown away as NiCd is worn- merely cut around top crimp with hacksaw, unwind s/s case with cutter, withdraw contents- external foil is cadmium, inner foil is nickel, & some solid electrolyte & seperator- all injury in spiral pattern.
To acquire Cadmium Sulphate, boil up some electrolyte- drop cadmium in- will bubble up & release poisonous fumes- do outdoors -do not breathe vapours!!! When cadmium is totally dissolved( & often the electrolyte cadmium mix is a charming green, depending on quality of cadmium from cell maker!)- task done! Got ta say- the mix I have actually added to batt cells does not seem to help! In reality- I got ta state the ONLY thing I utilized that worked was INOX MX2( in 1 batt so far- I will get some more MX2 &try; & try; in other batts to verify yes or no! Apart from that, the other thing is that the batt itself must be just gently sulfated).
Still it is excellent at recognizing o/c cell/s in batt- pulses increase higher with degree of o/c! have actually seen 1250 volts! Cut open, & disintegrated pos grid! in 1 cell-others almost so!. how to restore a car battery. Bevan - I would suggest improving the cadmium by making the cadmium you recuperated from the NiCds the favorable in an electroplating cell.
Use a tin wire or solder wire negative. Source of power can be 12V battery. Insert 220 ohm series resistor. The cadmium that gets plated onto the negative will be dendritic and pure. The actual voltage across the electroplating cell will be under 0. how do you recondition a battery. 5V. The green you explain would be nickel contamination.
Bevan - That's innovative! Why didn't I believe of that before? I will try it. John - You're one clever gentleman, thanks for the information. Bevan - I think I may have at long last handled to determine what cadmium sulfate does. It definitely electroplates out onto the negative grid metal when the battery is deliberately pushed into regulated overcharge.
This helps the lead sulfate nearest the grids to end up being active once again and to be transformed into lead and sulfate ions. Duplicated charging, discharging spreads the conductive environment gradually and gradually into the bulk of the lead sulfate. The process seems to have a limitation. how to restore a dead car battery. It would appear the secret to accomplishing 100% desulfation is to determine how to get conduction to spread into 100% of the sulfate.
Including progressively more merely produces dendrites and triggers shorts. The descriptions provided by desulation merchants that insoluble sulfation inevitably coats the plates when batteries are used which their treatment strips it away is pure dream. The sulfate stays right where it is. It is converted. While both positive and negative plates can end up being sulfated, the positive sulfation simply reverses when the battery is charged.
John - If I comprehend you properly, did you implied all the cadmium does is electroplating itself on the unfavorable grid?If so, would not just copper is good enough? Afdhal- it is just John's theory- but i would say cadmium does not simply plate itself- requirements driving- so does copper- BUT copper is a non laster in H2SO4! As are most metals! Lead lasts longer than many! Afdhal - No, copper and copper sulfate are not suitable.
Cadmium has an electrochemical capacity of -0. 4030V. Lead has an electrochemical capacity of -0. 1262V. The electrochemical potential of cadmium is such that it prevents electroplating when a battery is standing. It is only when a battery is put on gassing charge that the voltage at the negative plate favors electroplating.
Copper has an electrochemical possible Cu of +0. 5210V and Cu2 of +0. 3419V. Copper will simply plate onto the negatives regardless and remain there, triggering the plates to gas and to self discharge and to sulfate. The electrochemical capacities of aluminum, magnesium, potassium, salt, etc. are all far to unfavorable, the metals far too reactive in battery acid, for anything of advantage to occur.
Bevan - It is not a theory. I ran the experiments. Built lead-acid cells in glass jars. I observed and determined (materials needed to recondition car battery). John- to my understanding, what you have done is an experiment- then forwarded an hypothesis to what you observed- then you advanced a theory- NOW-as to that theory to become REALITY- your findings MUST be duplicated by other like minded individuals- can't see that taking place right now- still, there is hope.
Bevan - I personally might not care less what people opine about sulfation. I ran an experiment developed to respond to yes or no, whether batteries can be desulfated. My experiment revealed that a person might get a quarter to a third short-term recovery. I would not explain that as a "yes".
Others can easily duplicate my expermiment. Humanity being what it is, some people so dislike an unsightly truth obstructing of a lovely story, their counter arguments will always remain in words, not deeds. The litmus test: Desulfation stays a having a hard time industry. Something is not right. There is no conspiracy.
If you desire batteries to last longer, work on them, help them while they are still functional, do not fuss over them after they "signed off". We don't feed medication to dead individuals. Why do it to batteries? The experiment is explained on "CAN BATTERIES BE RESTORED". Well, anyone can say what they want about sulfation or desulfation, but adding Epsom salt (solution= 8 teaspoonfuls Epsom salts liquified in 1 pint pure water) combined with a 3 day trickle charge assisted my truck battery retain a much better charge.
The battery performed well through the winter after my treatment and is still going strong! I don't know just how much longer it will live, however I will let you know when it lastly passes away. Adios Shadmin - The portion of the 1 pint of water that you handled to put into the battery assisted; the 3 days extra drip charge assisted; the Epsom salts pleased your belief - how to recondition a dead battery.
ALL the so-called remedies incl epson, alum, cadmium, etc, etc, etc ad infinitum do ABSOLUTELY NOTHING!!! However typically hurt!! What many posters like to believe is that THEIR!!! treatment made a distinction!! BUT overlook all the other parameters of battery action incl temperature, humidity etc in their effort to understand a complex subject!! (recondition dead battery). The bare truth is that all automotive charge systems do not completely charge the l/a starter batt- however only around 14v- for several various reasons.
Bevan - Where does the acid that raised your SG originated from? John- simply returned on line after week after altering ISP!!! The increased sg is due to the dollop in the 15 ml included of Inox Mx2 to each cell! IT certainly is NOT due to lowering sulfation & hence raising sg!. recondition old battery.
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Reconditioning Old Battery
How To Recondition A 12 Volt Battery
Ez Battery Reconditioning Program Reviews