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Introduce the assembly process and advantages of lithium-ion battery packs

by:Vglory      2021-05-04
So, what does the assembly process of lithium ion battery pack look like? This article will talk about the assembly process of lithium iron phosphate battery and the advantages of lithium ion battery pack. Don't miss it! Lithium iron phosphate battery pack refers to A lithium-ion battery using lithium iron phosphate as the material for the positive electrode. The positive materials of lithium-ion batteries mainly include lithium cobalt oxide, lithium manganate, lithium nickelate, ternary materials, lithium iron phosphate, and so on. Among them, lithium cobalt oxide is the cathode material used in most lithium-ion batteries today. Lithium iron phosphate battery pack assembly process: 1. Choose a suitable battery cell, battery cell example, voltage, and internal resistance to match. Please balance the battery cell before assembling. Cut the electrodes and punch holes. 2. According to the better interval of the hole gauge, cut the insulation board. 3. Install the screws, please use flange nuts to prevent the nut from falling off, and connect the screws to the battery pack. 4. When connecting and welding wires and connecting the voltage receiving wire (balanced wire), do not connect the protective board to prevent accidental burnout of the protective board. 5. The insulating silica gel is reliable again, this kind of silica gel will solidify after a long time. 6. Set up the protective board. If you forget to balance the battery cells before, this is the last time before the battery is assembled. You can balance it through the balance line. 7. Use an insulating board to secure the entire battery pack, and seal it with nylon tape. The nylon tape compares its endurance. 8. To package the battery cell as a whole, please be sure to secure the battery core and the protective board. Our battery core is still guaranteed to work normally when it is dropped from a height of 1 meter. 9. Both output and input are recycled silica gel wire. As a whole, because it is an iron-lithium battery, the weight is half of the same acid battery. 10. After the tutorial is completed, we have done a test after the battery is completed, and we can meet our requirements. The advantages of lithium iron phosphate battery packs are: Energy density: Lithium-ion batteries are smaller and lighter than lead-acid, nickel-cadmium, and nickel-metal hydride batteries. Small size and light weight. The volume of the lithium iron phosphate battery is 1/3 of the volume of the lead-acid battery, and the weight is 1/3 of the lead-acid battery. Long service life: Li-ion batteries have a cycle life of 1,200 to 2,000 cycles, but traditional lead-acid batteries have only 500 to 900 cycles. Good high-temperature performance: The thermal peak of lithium iron phosphate battery can reach 350℃-500℃, while the lead-acid battery is only around 200℃. High rate discharge: the discharge curve of lithium iron phosphate battery, even at 5C discharge rate, the discharge rate can still reach 90%. Fast charging: high current 2C fast charge and discharge, 1.5C charge in a dedicated charger within 40 minutes The battery can be full, the starting current can reach 2C, but the lead-acid battery does not have this function at the moment. Disclaimer: Some pictures and content of articles published on this site are from the Internet. If there is any infringement, please contact to delete. Previous: What are the problems in the production and manufacture of lithium-ion battery pole pieces?
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