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That is pretty typical. The silliest thing you can do is to put all type of sulfates into batteries in the hope of resolving a problem. Urban myth will never pass away. Pencil lead can contain some unusual compounds in addition to carbon (battery recondition). There are lots of carbon powder producers. Car tires 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 used out- merely cut around leading crimp with hacksaw, unwind s/s case with cutter, withdraw contents- outer foil is cadmium, inner foil is nickel, & some solid electrolyte & seperator- all wound in spiral pattern.
To get Cadmium Sulphate, boil up some electrolyte- drop cadmium in- will bubble up & release harmful fumes- do outside -do not breathe vapours!!! When cadmium is entirely dissolved( & often the electrolyte cadmium mix is a lovely green, depending on quality of cadmium from cell maker!)- task done! Got ta say- the mix I have actually included 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 up until now- I will get some more MX2 &try; & try; in other batts to validate yes or no! Apart from that, the other thing is that the batt itself should be only gently sulfated).
Still it is proficient at recognizing o/c cell/s in batt- pulses go up greater with degree of o/c! have actually seen 1250 volts! Cut open, & broke down pos grid! in 1 cell-others practically so!. how do you recondition a battery. Bevan - I would recommend improving the cadmium by making the cadmium you recovered from the NiCds the positive in an electroplating cell.
Use a tin wire or solder wire unfavorable. Power source can be 12V battery. Insert 220 ohm series resistor. The cadmium that gets plated onto the unfavorable will be dendritic and pure. The real voltage throughout the electroplating cell will be under 0. 12 volt battery reconditioning. 5V. The green you describe would be nickel contamination.
Bevan - That's innovative! Why didn't I consider that before? I will try it. John - You're one wise gentleman, thanks for the details. Bevan - I think I might have at long last handled to figure out what cadmium sulfate does. It certainly electroplates out onto the negative grid metal when the battery is intentionally pressed into regulated overcharge.
This helps the lead sulfate nearest the grids to become active again and to be converted into lead and sulfate ions. Duplicated charging, discharging spreads the conductive environment slowly and progressively into the bulk of the lead sulfate. The process appears to have a limit. how to recondition a car battery. It would appear the trick to achieving 100% desulfation is to figure out how to get conduction to spread into 100% of the sulfate.
Including gradually more merely develops dendrites and causes shorts. The descriptions offered by desulation merchants that insoluble sulfation undoubtedly coats the plates when batteries are utilized and that their treatment strips it away is pure dream. The sulfate remains right where it is. It is converted. While both favorable and negative plates can become sulfated, the favorable sulfation just reverses when the battery is charged.
John - If I comprehend you properly, did you indicated all the cadmium does is electroplating itself on the negative grid?If so, wouldn't just copper suffices? Afdhal- it is simply John's theory- but i would state cadmium does not simply plate itself- needs 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 potential of -0. 4030V. Lead has an electrochemical capacity of -0. 1262V. The electrochemical capacity of cadmium is such that it avoids electroplating when a battery is standing. It is just when a battery is put on gassing charge that the voltage at the negative plate prefers electroplating.
Copper has an electrochemical prospective Cu of +0. 5210V and Cu2 of +0. 3419V. Copper will simply plate onto the negatives regardless and remain there, causing the plates to gas and to self discharge and to sulfate. The electrochemical potentials of aluminum, magnesium, potassium, sodium, and so on are all far to negative, the metals far too reactive in battery acid, for anything of benefit to take place.
Bevan - It is not a theory. I ran the experiments. Built lead-acid cells in glass jars. I observed and measured (high frequency battery reconditioning). 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 TRUTH- your findings MUST be replicated by other like minded persons- can't see that taking place just yet- still, there is hope.
Bevan - I personally might not care less what individuals suggest about sulfation. I ran an experiment designed to address yes or no, whether batteries can be desulfated. My experiment showed that one may get a quarter to a third short-term healing. I would not explain that as a "yes".
Others can quickly repeat my expermiment. Human nature being what it is, some people so do not like an unsightly reality obstructing of a lovely story, their counter arguments will always remain in words, not deeds. The litmus test: Desulfation remains a having a hard time market. Something is not ideal. There is no conspiracy.
If you desire batteries to last longer, work on them, help them while they are still serviceable, don't fuss over them after they "signed off". We don't feed medicine to dead people. Why do it to batteries? The experiment is explained on "CAN BATTERIES BE RESTORED". Well, anyone can state what they desire about sulfation or desulfation, but including Epsom salt (service= 8 teaspoonfuls Epsom salts dissolved in 1 pint pure water) combined with a 3 day drip charge assisted my truck battery maintain a better charge.
The battery carried out well through the winter season after my treatment and is still going strong! I do not understand how much longer it will live, however I will let you know when it finally dies. Adios Shadmin - The portion of the 1 pint of water that you handled to put into the battery assisted; the three days extra drip charge helped; the Epsom salts satisfied your belief - recondition dead battery.
ALL the so-called remedies incl epson, alum, cadmium, etc, etc, etc advertisement infinitum not do anything!!! However generally harm!! What numerous posters like to think is that THEIR!!! treatment made a difference!! BUT neglect all the other specifications of battery reaction incl temperature, humidity etc in their attempt to make sense of a complicated subject!! (recondition dead battery). The bare fact is that all vehicle charge systems do not fully charge the l/a starter batt- but just 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 changing ISP!!! The increased sg is because of the dollop in the 15 ml added of Inox Mx2 to each cell! IT definitely is NOT due to decreasing sulfation & hence raising sg!. is it okay to recondition a car battery with it still connected.
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How Do You Recondition A Battery
How To Recondition A 12 Volt Battery