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What is the reason for the rapid decrease in battery capacity of electric forklifts?

by:Staxx Pallet Truck     2021-04-21
As the research and development departments are actively developing energy-saving and environmentally friendly products. In the industrial market, among industrial equipment vehicles, electric forklifts have quickly occupied a certain market due to their convenient handling, simple maintenance, quietness, and pollution-free characteristics. Electric forklifts are very suitable for indoor operations. Most of the batteries currently on the market for electric forklifts are designed to be cheap. A user asked the editor, what is the reason for the rapid decrease in the capacity of the forklift battery? Xiaobian answers for electric pallet truck manufacturers. 1. After leaving the factory, the forklift battery can be installed and used in time when it arrives outside the user, causing long-term storage. Long-term storage is bound to cause self-discharge and cause insufficient capacity. Because it is not correct to store the battery for a long time, it should be charged once every time. 2. The positive plate of the forklift battery is corroded and deformed, causing insufficient capacity. The positive plate of the forklift battery is the main factor affecting the working life of the battery. The capacity of the forklift battery charge and discharge cycle, especially the capacity drop under the deep cycle, is closely related to the quality deviation of the positive plate. 2.1 The active material on the positive grid softens and falls off. Microscopically, there are macropores and micropores in the active material. The size of the macropore exceeds 0.5cm. It is composed of many small pores. As the discharge cycle progresses, the surface of the active material shrinks. The core is formed into a coral-like structure, and the small pores are aggregated after repeated discharge cycles, so that the large pores continue to increase, which destroys the positive electrode structure and causes the active material to fall off. The main reason for these situations is the high current charging and discharging of the forklift battery. Avoid the occurrence of the current that should guarantee the charge and discharge and avoid the phenomenon of overcharging or overdischarging. 2.2 Corrosion deformation of the positive grid The corrosion rate of the grid depends on the composition of the grid alloy, but the higher the storage temperature, the faster the corrosion rate, and the deeper the depth of discharge, the more serious the corrosion. 3. Sulfation of the negative plate of the electric forklift battery: In normal operation, the PbSO4 particles on the negative plate are small, and the discharge can easily be restored to velvet lead, but sometimes the hard-to-reducible lead sulfate is generated inside the battery, called sulfuric acid Salinization. There are many reasons for the salting of the negative electrode, such as the inability 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. This lead sulfate is difficult to reduce by conventional methods. In this way, the reduction of active materials will inevitably affect the capacity of forklift batteries. The editor of electric pallet truck manufacturers reminds everyone that when buying forklift batteries, pay attention to fake and inferior or second-hand items, because some manufacturers make profits by reducing product quality and lowering prices in order to enhance their comprehensive competitiveness. Therefore, Look for big brands is the right choice. It is the best choice. Please feel free to call if you have any purchase requirements, and there will be professionals to answer you.
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