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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:2024-01-08 Hits: Popular:AG11 battery
Soft pack power lithium battery pack production process technology standards. The production process of power lithium battery pack is relatively complex. Pack is the key to the production, design and application of power soft pack lithium battery system. It is the core link connecting upstream cell production and downstream vehicle application. It is usually produced by lithium battery factory, automobile factory or Completed by third-party Pack factory. The following editor will give you a detailed introduction to the soft pack power lithium battery pack manufacturing process and the basic knowledge of the pack.
Power lithium battery pack industry analysis:
As we all know, the lithium battery pack is the core energy source of new energy vehicles, providing driving power for the entire vehicle. It mainly forms the main body of the battery pack through the shell envelope. The battery PACK mainly consists of battery cells, modules, electrical systems, thermal management systems, casings and BMS. China's battery pack production capacity is gradually expanding. As the power lithium battery industry matures, battery pack modular technology will become increasingly mature.
Relevant experts believe that there are two feasible ways to improve the integration efficiency of the Pack: First, optimize the internal structural design of the lithium battery pack, significantly reduce the number of components inside the pack, and integrate more components and functions into the module. and the box body, thereby reducing weight; the other is to use lightweight materials, such as using aluminum profiles or composite materials instead of high-strength steel, using plastic parts instead of metal parts, etc., which can also reduce weight.
The main processes of the power lithium battery pack production line include:
1. Sorting and grouping process
2. Automatic welding process
3. Semi-finished product assembly process
4. Aging test process
5. PACK detection process
6. PACK packaging technology
Soft pack power lithium battery pack production process technology standards:
1. Assembly process
The assembly process of lithium battery pack is actually somewhat similar to the engine assembly process of traditional fuel vehicles. The five major systems are connected together through bolts, nuts, cable ties, clamps, wire harness nails and other connecting parts to form an assembly.
2. Air tightness testing process
The air tightness testing during the power battery PACK manufacturing process is divided into two links: air tightness testing at the thermal management system level; air tightness testing at the pack level.
3. Software flashing process
Software flashing is also called software burning, or software filling. The software flashing process is to flash the BMS control strategy into the CMU and BMU in the BMS in the form of code, so that the battery status information data collected during the testing and use of the lithium battery pack can be processed by the electronic control unit. Analysis, and then issues control instructions to relevant functional modules in the system based on the analysis results, and finally transmits information to the outside world.
4. Electrical performance testing process
Features of power soft lithium battery pack:
①Lithium battery packs require batteries to have a high degree of consistency (capacity, internal resistance, voltage, discharge curve, lifespan).
②The cycle life of a lithium battery pack is lower than that of a single battery.
③Use under limited conditions (including charging and discharging current, charging method, temperature, etc.).
④ After the lithium 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 must meet the voltage and capacity requirements required by the design.
The process of assembling lithium battery cells into groups is called PACK, which can be a single battery or a battery module connected in series and parallel. Power soft pack lithium battery pack is relatively technology-intensive industry. Lithium battery is an ideal small green energy storage power source. The wide range of uses of lithium battery pack will better serve mankind.
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