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 ever pass away. Pencil lead can consist of some strange compounds in addition to carbon (is it okay to recondition a car battery with it still connected). There are a lot of carbon powder manufacturers. Vehicle tires have to do with 50% carbon.
Does not cost an arm and a leg. Afdhal- I get cadmium from utilized NiCd cells-aaa or aa sizes- such as discovered in solar garden lights- after a couple of years they are thrown out as NiCd is broken- simply cut around leading crimp with hacksaw, unravel s/s case with cutter, withdraw contents- outer foil is cadmium, inner foil is nickel, & some strong electrolyte & seperator- all injury in spiral pattern.
To acquire Cadmium Sulphate, boil up some electrolyte- drop cadmium in- will bubble up & emit hazardous fumes- do outside -do not breathe vapours!!! When cadmium is totally liquified( & often the electrolyte cadmium mix is a lovely green, depending upon quality of cadmium from cell maker!)- task done! Got ta state- the mix I have added to batt cells does not seem to help! In truth- I got ta say the ONLY thing I used that worked was INOX MX2( in 1 batt so far- I will get some more MX2 &try; & shot; in other batts to confirm yes or no! Apart from that, the other thing is that the batt itself must be just gently sulfated).
Still it is great at recognizing o/c cell/s in batt- pulses go up greater with degree of o/c! have seen 1250 volts! Cut open, & broke down pos grid! in 1 cell-others practically so!. do i need to charge car battery after battery recondition. Bevan - I would recommend improving the cadmium by making the cadmium you recuperated from the NiCds the favorable in an electroplating cell.
Utilize 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 negative will be dendritic and pure. The real voltage across the electroplating cell will be under 0. recondition dead battery. 5V. The green you explain would be nickel contamination.
Bevan - That's imaginative! Why didn't I consider that before? I will try it. John - You're one clever gentleman, thanks for the info. Bevan - I believe I might have at long last handled to figure out what cadmium sulfate does. It definitely electroplates out onto the negative grid metal when the battery is intentionally pressed into controlled overcharge.
This assists the lead sulfate nearest the grids to become active again and to be converted into lead and sulfate ions. Repeated charging, releasing spreads the conductive environment gradually and gradually into the bulk of the lead sulfate. The process appears to have a limitation. do i need to charge car battery after battery recondition. It would appear the trick to accomplishing 100% desulfation is to determine how to get conduction to spread out into 100% of the sulfate.
Including gradually more simply creates dendrites and causes shorts. The explanations provided by desulation merchants that insoluble sulfation inevitably coats the plates when batteries are used and that 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 become sulfated, the positive sulfation merely reverses when the battery is charged.
John - If I comprehend you properly, did you implied all the cadmium does is electroplating itself on the negative grid?If so, would not simply copper is great enough? Afdhal- it is just John's theory- however i would say cadmium does not just plate itself- requirements driving- so does copper- BUT copper is a non laster in H2SO4! As are most metals! Lead lasts longer than a lot of! Afdhal - No, copper and copper sulfate are not ideal.
Cadmium has an electrochemical potential of -0. 4030V. Lead has an electrochemical potential 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 placed 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 stay there, causing the plates to gas and to self discharge and to sulfate. The electrochemical capacities of aluminum, magnesium, potassium, sodium, and so on are all far to negative, the metals far too reactive in battery acid, for anything of advantage to happen.
Bevan - It is not a theory. I ran the experiments. Built lead-acid cells in glass jars. I observed and determined (reconditioning a battery). John- to my knowledge, what you have actually done is an experiment- then forwarded an hypothesis to what you observed- then you advanced a theory- NOW-as to that theory to become FACT- your findings MUST be replicated by other like minded individuals- can't see that taking place right now- still, there is hope.
Bevan - I personally could not care less what individuals 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 3rd short-term recovery. I would not describe that as a "yes".
Others can easily repeat my expermiment. Human nature being what it is, some people so do not like an ugly truth obstructing of a stunning story, their counter arguments will constantly remain in words, not deeds. The litmus test: Desulfation stays a having a hard time industry. Something is wrong. There is no conspiracy.
If you desire batteries to last longer, work on them, assist them while they are still functional, do not fuss over them after they "signed off". We do not feed medication to dead individuals. Why do it to batteries? The experiment is described on "CAN BATTERIES BE BROUGHT BACK". Well, anybody can state what they want about sulfation or desulfation, however including Epsom salt (option= 8 teaspoonfuls Epsom salts liquified in 1 pint distilled water) paired with a 3 day trickle charge assisted my truck battery maintain a much better charge.
The battery performed well through the winter season after my treatment and is still going strong! I don't know how much longer it will live, but I will let you understand when it finally dies. Adios Shadmin - The portion of the 1 pint of water that you managed to take into the battery assisted; the three days extra drip charge assisted; the Epsom salts satisfied your belief - recondition 12 volt battery.
ALL the so-called treatments incl epson, alum, cadmium, etc, etc, etc advertisement infinitum not do anything!!! However typically harm!! What many posters like to think is that THEIR!!! treatment made a difference!! BUT overlook all the other criteria of battery reaction incl temperature, humidity etc in their effort to understand a complicated subject!! (car battery reconditioning). The bare truth is that all vehicle charge systems do not completely charge the l/a starter batt- but only around 14v- for several various factors.
Bevan - Where does the acid that raised your SG originated from? John- just got back 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 definitely is NOT due to reducing sulfation & hence raising sg!. reconditioning a 12 volt truck battery.