Why does the battery capacity of the semi-electric stacker decrease?

With the continuous advancement of science and technology, the semi-electric stacker in the industrial market has quickly occupied a certain position due to its convenient operation, simple maintenance, high cost performance, low noise and no pollution. market. Semi-electric stackers are ideal for indoor work. Our more common semi-electric stackers are powered by batteries, and the price is relatively low. The semi-electric stacker can be charged for 8 hours at a time, but as time goes by, it can be fully charged in only about 4 hours, and then the power will drop rapidly. What is going on?

There is a situation that after the battery of the electric storage pallet truck semi-electric stacker arrives, the user does not install and use it in time, and the long-term storage causes self-discharge, resulting in insufficient battery capacity. Therefore, for the maintenance of the battery, we would like to remind everyone to charge it every once in a while.

In addition, the positive plate of the battery is corroded and deformed, resulting in insufficient battery capacity. The positive plate of the battery affects the service life of the battery to a large extent, and the capacity of the pallet truck battery charge-discharge cycle will lead to a decrease in the capacity under deep cycle, which is closely related to the quality deviation of the positive plate.

The main reason for the softening and shedding of the active material on the positive grid of the battery of the electric storage pallet truck is the high current charging and discharging of the battery of the pallet truck. Microscopically, there are macropores and micropores in the active material. The macropores are composed of many small pores with a size of more than 0.5 cm. As the discharge cycle progresses, the surface of the active material shrinks to form a core coral-like structure; while multiple discharge cycles The increased aggregation of small pores will make the large pores continue to increase, destroy the structure of the positive electrode, and cause the active material to fall off. The corrosion deformation rate of the positive grid depends on the composition of the grid alloy. The higher the storage temperature, the faster the corrosion rate, and the deeper the discharge depth, the more serious the corrosion.

Sulfation of the negative plate of the battery of the semi-electric stacker will also cause the battery capacity of the electric storage pallet truck to decrease. In normal operation, the PbSO4 particles on the negative plate are small, and the discharge is easy to restore to velvety lead, but sometimes lead sulfate that is difficult to reduce is generated inside the battery, which is called sulfation.

There are many reasons for the salinization of the negative electrode, such as not being able to charge in time after discharge, long-term storage of the battery, causing serious self-discharge, excessive electrolyte concentration, insufficient long-term charging, and long-term discharge at high temperature. Lead is difficult to reduce by conventional methods, so the reduction of active substances will inevitably affect the capacity of the battery of the semi-electric stacker.

In the past few decades, battery operated pallet stacker production has increased because of the use of pallet stacker truck.
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