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Sino Science&Technology Battery Co.,ltd is a high-tech production enterprise which specialize in the R&D and production of Lifepo4 batteries,energy storage battery,portable UPS power supply,personalized customization lithium battery pack etc .
Environmental cylindrical 18650 21700 32700 26650 14500 18500 lithium ion rechargeable battery, LifePO4 battery,3.7V lithium polymer battery, NiMH battery , NiCD battery ,Lead acid battery,dry cell battery ,alkaline battery ,heavy duty battery, button cell battery etc. we devote to R&D,innovation ,production & sales
Shenzhen Green Power Energy Battery Co.,ltd specializes in a wide range of digital battery such as environmental cylindrical 18650 21700 32700 26650 14500 18500 lithium ion rechargeable battery, LifePO4 battery, 3.7V lithium polymer battery, NiMH battery, NiCD battery, dry cell battery, alkaline battery, heavy duty battery, button cell battery etc. we devote to R&D, innovation, production & sales. With automatic production machines we have been exported goods to all over the world over 15years. We have complete exported certificate such as KC, CE, UL, BSCI, ROHS, BIS, SGS, PSE etc
Dongguan Datapower New Energy Co.,ltd is a high-tech production enterprise which specialize in the R&D and production&sale of lithium polymer batteries,drone battery,airplane batteries &battery pack etc.
Anhui Seong-hee New Energy Technology Co.,ltd is a high-tech production enterprise which specialize in the R&D and production of primary batteries. And mainly produces and sells alkaline batteries & carbon zinc batteries. there are size AA, AAA, C, D, 9V etc
Guizhou STD Battery Co.,ltd is a high-tech production enterprise which specialize in the R&D and production & sale of lithium polymer batteries, drone battery, airplane batteries & battery pack etc.
release time:2024-03-18 Hits: Popular:AG11 battery
6F22 carbon battery manufacturers teach 6F22 carbon battery PACK assembly knowledge and technology
6F22 carbon battery manufacturers impart 6F22 carbon battery PACK assembly knowledge and technology. Under the current background of the new national standards, the demand for lithium batteries is increasing, and many lead-acid battery companies have also launched 6F22 carbon battery products. The process of assembling 6F22 carbon battery cells into groups is called PACK, which can be a single battery or a battery module connected in series and parallel. The following 6F22 carbon battery manufacturer will introduce the knowledge and technology of 6F22 carbon battery PACK assembly in detail.
PACK composition
PACK includes battery pack, bus bar, soft connection, protective board, outer packaging, output (including connector), highland barley paper, plastic bracket and other auxiliary materials to form PACK.
Features of PACK
①6F22 carbon battery pack PACK requires batteries to have a high degree of consistency.
②The cycle life of 6F22 carbon battery PACK is lower than that of a single battery.
③Use under limited conditions.
④ After the 6F22 carbon battery PACK is formed, the battery voltage and capacity are greatly improved, and must be protected and monitored for charge equalization, temperature, voltage and overcurrent.
⑤The battery pack PACK must meet the voltage and capacity requirements required by the design.
6F22 carbon battery PACK assembly process
The PACK of lithium batteries is realized in two ways. One is through laser welding or ultrasonic welding or pulse welding. This is a commonly used welding method. The advantage is that it has better reliability but is not easy to replace. The second is contact through elastic metal sheets. The advantage is that no welding is required and the battery is easy to replace. The disadvantage is that it may lead to poor contact.
6F22 carbon battery PACK assembly method
①Series and parallel composition: The battery is composed of single cells connected in parallel and in series. Parallel connection increases capacity, but the voltage remains unchanged. After series connection, the voltage doubles, but the capacity remains unchanged. For example, a 3.6V/10Ah battery is composed of a single N18650/2Ah through 5 parallels. Parallel first, then series: Parallel connection will affect the battery cycle life after parallel connection due to differences in internal resistance and uneven heat dissipation. However, when a single battery fails, it automatically exits. In addition to the reduction in capacity, it does not affect its use after parallel connection. The parallel connection process is strict. When a unit battery in a parallel connection is short-circuited, the current in the parallel circuit will be very large, which is usually avoided by adding fuse protection technology. Series first, then parallel: Connect in series first according to the capacity of the entire battery pack, for example, 1/3 of the capacity of the entire battery pack, and then connect in parallel, which reduces the probability of failure of large-capacity battery packs.
②Battery core requirements: Select the corresponding battery core according to your own design requirements. Batteries connected in parallel and in series must be of the same type and model, and the difference in capacity, internal resistance, and voltage value should not be greater than 2%. Under normal circumstances, after the batteries are combined in parallel and series, the capacity loss is 2%-5%. The more batteries, the greater the capacity loss. Whether it is a soft-packed battery or a cylindrical battery, multiple string combinations are required. If the consistency is poor, the battery capacity will be affected. The battery with the lowest capacity in a group determines the capacity of the entire battery group. High current discharge performance is required. The starting current of the motor is 3 times the normal operating current. Only high-current discharge can improve the motor's power performance. The battery is required to have good heat dissipation. There are a large number of batteries, and the temperature rise of the batteries inside the battery box is not easy to escape, resulting in uneven temperatures and different discharge characteristics among the batteries, which will lead to a decline in battery performance in the long run. The production technology level is high. The battery must be able to withstand the vibration and impact of bumpy roads. The production process, especially the spot welding process, has high requirements. After welding is completed, test it to prevent soldering and desoldering.
The above is an explanation of the basic knowledge of 6F22 carbon battery pack PACK. In fact, there is a lot more to know about battery PACK. The demand for lithium batteries is increasing, and many lead-acid battery companies have also launched 6F22 carbon battery products. 6F22 carbon battery PACK companies want to develop , it is necessary to rely on more professional technology and better cost control capabilities than battery manufacturers and vehicle manufacturers, as well as more professional automation equipment to achieve stable cooperation with vehicle manufacturers.
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