Analysis of AGV Carrier Battery.3.7v 2200mah 18650 lithium battery

　　The AGV car relies on clean and efficient direct current to provide power. Generally, the battery voltage used is 24V and 48V, and it will be adjusted according to different cargo weights. This type of power supply can save energy and reduce noise. There are many dry batteries used now, including nickel cadmium batteries and lead-acid batteries, and there is a possibility of using lithium batteries in the future.

　　Nickel-cadmium batteries and lead-acid batteries also have their own characteristics. Lead-acid batteries have relatively low prices, larger discharge depths, generally do not require online charging, and have a small load capacity. Their service life is generally around three years; Nickel-cadmium batteries are relatively expensive and have a smaller discharge depth, usually not exceeding 10%. They can achieve fast online charging. Nickel-cadmium batteries are used to provide power for AGVs with larger load capacity. They are an early type of rechargeable battery, commonly used in automotive batteries. There are two types of lead-acid batteries: ordinary lead-acid batteries and valve pull sealed lead-acid batteries. The former has gradually been replaced by the latter due to its inconvenient use and severe environmental pollution. The emergency lights we use are generally of this type of battery, with a normal cycle life of 1000-1200 times.

　　Lead acid batteries with water are common pollution-free batteries; But there are also those who need to add water and install exhaust devices at the charging station to effectively discharge harmful gases during the charging process. Currently, they are rarely used and require maintenance free lead-acid batteries. No pollution, no need to add water to maintain the battery. The general charging current is 0.2C-0.3C, and a dedicated charger is required, with a charging time of 10-12 hours. Nickel chromium battery: The battery has a low energy density, memory effect, and the recycling process pollutes the environment. It is generally only suitable for special large AGVs.

　　AGV car battery

　　Compared with other types of batteries, nickel cadmium batteries have a high internal resistance and can withstand overcharging or discharging. The operation is simple and convenient, and the discharge voltage varies depending on the discharge current. Generally, the discharge termination voltage of nickel cadmium batteries is around 1.2V, with a discharge terminal voltage of 1.0V/CELL. The actual temperature range is -20 ° C to 60 ° C. In this range, discharge needs to be carried out, and can be repeated more than 500 times. Having high energy density. Compared to high capacity nickel cadmium batteries, the volumetric energy is 1. 5 times its energy density, high voltage, with an average operating voltage of 3.6V, which is three times that of nickel cadmium batteries and nickel hydrogen batteries. The operating voltage is flat and has high capacity. It is widely used at temperatures ranging from -20 ° C to 60 ° C, and has a long charging and discharging life. After 500 discharges, its capacity still exceeds 70%. Due to the high energy density, high voltage, and stable operation of lithium batteries.

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