The reason why lead-acid battery life is not long, and the way to extend the life of lead-acid battery. Lead-acid battery is a social and environmental protection product under the high-speed development, it brings the convenience of life and travel to millions of people, but at the same time its life is getting shorter and shorter, the following together to discuss the reasons why lead-acid battery life is not long and ways to extend the life of lead-acid battery.
The battery is also known as the battery, we usually say the battery is generally referred to the lead-acid battery, which is a kind of battery made of lead and its oxide as electrodes, sulfuric acid solution as electrolyte, the working principle is to convert chemical energy into electrical energy. Car battery as a car on the wear parts, its service life is directly related to the driver's use, if we use the right method, a battery can be used on a seven or eight years; but if not used properly, may be less than a year battery will be scrapped.
A, the lead-acid battery life is not long reasons
1, casually move the charger, the charger line are relatively small, in the process of vibration, the welding port is easy to disconnect, or the internal parts are easy to drift, making the whole parameters change, can not be charged properly.
2, lead-acid battery charging, lead sulfate formation of lead oxide, lead oxide is reduced to lead sulfate when discharging, quality, when the concentration of lead sulfate in the electrolytic solution in the battery is too high or static idle time is too long, it will crystallize into small crystals, these small crystals then attract the surrounding lead sulfate, this phenomenon is called sulfide. The main mechanism leading to the failure and damage of lead-acid batteries is the inability of the battery itself to avoid sulfidation.
3, most of the car's controller are left with a speed limit plug, some manufacturers or dealers simply remove the speed limiter, both to attract customers who value speed, but also to reduce costs, such a car at high speed when the current is very high, will seriously shorten the battery life;.
4, the impact of sulfuric acid concentration: the increase in acid density is beneficial to the positive plate capacity, but the increase in self-discharge of the battery, the corrosion of the plate grid is also accelerated, also prompting the loose lead dioxide off, with the increase in acid density used in the battery, the cycle life decreases.
5, the impact of discharge current density: with the increase of discharge current density, the life of the battery decreases, because under the condition of high current density and high acid concentration, it prompts the loose shedding of positive lead dioxide.
Ways to extend the service life of lead-acid batteries
(1) Fully understand the operating condition of the battery in the high temperature season and the changes during the whole service life, do not put the battery in the overheated environment when using, especially when charging, keep away from the heat source and keep the charging environment well ventilated.
(2) Take measures to inhibit sulfidation: adopt fast charging and discharging pulses with sharp pulse fronts and use its high harmonics to resonate with large lead sulfate crystals to eliminate the sulfidation of the battery during charging.
(3) Keeping the lead-acid battery clean, sweeping the dust, mud, oxide on the terminals and wires, electrolyte at the filling port, etc. on the lead-acid battery in time to keep it clean and prevent its self-discharge.
(4) Protect the charger: Generally, the manual of regular brand lead-acid batteries will have detailed protection methods for the charger, and the chargers on the market will have a high vibration-resistant design, so don't move the battery as much as possible if it is not necessary, and if it is necessary, make sure to pack it with foam first to prevent the internal electrical appliances from being shifted by external vibration.
(5) If the battery is usually in use, it is best to charge it every day, so that it can be in a shallow cycle state, which can increase the life of the battery. Because the indicator light of the lead-acid battery will light up at about 97% to 99%, so in the charging, even if the indicator light is already on, try to charge for a while.
Lead-acid battery can be said to be the most important part of the electric car, the owner in the process of daily use of the car can not use the engine correctly affect its service life, so the face of more fragile lead-acid battery, we need to pay more attention to care, in the process of daily use of the car to pay great attention to the maintenance of lead-acid battery, so as not to make the lead-acid battery life damage serious.
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