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How to Desulfate a Battery- Introduction, Methods And Time

How to Desulfate a Battery- Introduction, Methods And Time

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Sulfation is the process that results in a lead-acid battery, not being fully charged. This condition is not something new for starter batteries in cars driven in the city as these batteries are meant for many tasks. These tasks might include driving those cars with load hungry accessories. As a result, the motors in an idle position or low speed cannot charge these batteries up to their brim.

Some devices operating on these batteries might have a similar problem, which can also result in even a full night charge not being enough. Solar cells, wheelchairs, and wind turbines do not always provide for sufficient charge, which can also lead to this sulfation.

Sulfation, in technical terms, is the formation of small sulfate crystals that are normal and not harmful. But, in the case of a long period of time when the battery is left uncharged, the amorphous lead sulfate converts itself into a stable crystalline and deposits itself on the negative plates. In turn, this procedure can lead to the growth of large crystals that hinder the battery's performance. This performance is hampered due to the reduction of the batter's active material.

This phenomenon, which can consequently result in ruining your battery to shreds, can be reversed by a procedure known as Desulphation. This process can aim to do wonders for the customers looking for options in this arena. One important thing to note is that these technologies are not a hundred percent certain in bringing your battery back to life. However, taking the chances of probability can prove beneficial incidental maintenance in many cases.

This Desulfation can be done by a wide range of methods such as the short high current pulses method, STAMP, MIcrocontrollers, and the 555 timer method. These methods can include various procedures, one of which is the electricity pulse method. These electricity pulses of low power but high frequency are sent into the battery at regular intervals of time. The rhythmic resonance created by the plates causes the crystal deposit caused by sulfation to split, and the sulfate comes back to the electrolyte solution.

Various methods of Desulfation take different amounts of time that can range from as low as three to four hours to as long as even three to four weeks, throughout which the battery is required to be trickle charged. The trickle charge method is when the battery is charged parallel to the desulfator for complete charge and rejuvenation.

Can battery sulfation be reversed?

A battery sulfation can most certainly be reversed if the circumstances are in favor. The sulfate layer, which has deposited itself onto the terminals, can be dissolved back into the solution by increasing the voltage which was applied to the battery earlier. This high voltage can cause the battery to heat rapidly and cause thermal runaway, which might also result in its explosion. Some battery conditioners utilize short pulses of high voltage, which are sometimes so quick that they lead to significant current flow. Still, when it goes on for so long, they can completely reverse the crystallization process.

Additionally, long-term use of high voltage pulses damages the battery plates for the wet ones, whereas the lead-acid batteries are caused to dry out and fall. It has recently been decided to use high-frequency pulses in the place of high voltages for these battery regeneration processes. They can make the process of dissolving the sulfate build-up back into the electrolyte a lot easier.

Another essential thing to note is, that these metal structure batteries have a tendency for a parasitic inductance and capacitance. Both these things resonate with each other as a process which has been named 'ringing.' Despite this, the fact remains that these electrochemical processes have time constants and hence won't be affected by these megahertz frequencies. Commercial regenerators endorse and support the arrangement of parallel operations in multiple batteries to improve output.

How do you remove battery sulfation?

The case of sulfation is a severe one. In many instances, when the sulfate has made its mark by developing on the lead plates, it is not at all simple or even sure to remove them by a typical method. Getting rid of these sulfate crystals by subsequent rejuvenation and reconditioning the battery is not an easy task and hence involves an elaborate procedure. This procedure consists of the separation of these solidified crystals and dissolving them back to the electrolyte which surrounds this battery. In turn, the electrolyte starts working with a charging voltage, which is much higher than the one utilized before in the charging of this battery. It is imperative to keep in mind that putting the battery through a high voltage that is high and steady can respond in worse ways.

The response might be in the form of overheating, discharge of various toxic gases, and also a possible blast in severe cases. Hence, if you want to save the battery from reaching this end, make sure to take the necessary precautions. These precautions include making sure that the pulse conditioning is utilized; this utilization involves putting short blasts of high voltage at regular intervals. These short blasts make for sufficient energy required to move the crystals without excessively raising the battery's overall temperature during this process. But, then also, this is not a full-proof method and can not show specific results.

What is the ideal duration to desulfate a battery?

The Desulfation of a battery can last for anywhere between the range of a few hours to a few weeks. This time period depends upon various factors involved, such as the condition of the battery or the amount of voltage meant for that specific battery. It is important to note that sometimes taking the necessary precautions can also increase the time period, but that isn't reason enough for skipping them. You can increase or decrease this time period by increasing or decreasing the voltage but make sure to keep the heating and overheating problem in check to reduce the chances of a malfunction.

 

 

 

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