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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 .
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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
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release time:2024-03-15 Hits: Popular:AG11 battery
Soft Ni-MH battery packs production process and Ni-MH battery packs production line
Soft Ni-MH battery packs production technology and Ni-MH battery packs production line. The so-called soft-packed batteries are actually batteries that use aluminum-plastic packaging film as packaging material. Ni-MH battery packs has relatively strict processing and manufacturing standards. The level of manufacturing technology also determines the quality of the battery module and affects the operating efficiency of the entire production line. The production process of soft-pack Ni-MH battery packs is relatively complex, and pack is the key to the production, design and application of power battery systems.
Soft pack Ni-MH battery packs production process technology standards
1. Assembly process
The assembly process of Ni-MH battery packs 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 manufacturing process of power soft-pack Ni-MH battery packs 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 Ni-MH battery packs 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.
The soft pack Ni-MH battery packs production line is relatively simple. The core processes include loading, bracket pasting, welding, testing and other processes. The core equipment is a laser welding machine and various pasting and testing equipment.
4. Electrical performance testing process
Features of power soft Ni-MH battery packs:
①Ni-MH battery packss require batteries to have a high degree of consistency (capacity, internal resistance, voltage, discharge curve, lifespan).
②The cycle life of a Ni-MH battery packs is lower than that of a single battery.
③Use under limited conditions (including charging and discharging current, charging method, temperature, etc.).
④ After the Ni-MH battery packs 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.
Introduction to soft pack Ni-MH battery packs production line
In the entire process from lithium battery cells to automated modules to PACK production lines, the degree of automation of the assembly line is a key factor in determining product quality and production efficiency. During the processing of soft-pack lithium batteries, there are strict control standards regarding temperature, air tightness, etc. However, in the case of manual operation, the operation is relatively difficult, and the use of automated production mode makes the performance indicators of the product easier Satisfied, and the yield rate is higher.
Features of the soft pack Ni-MH battery packs production line: It has the nature of comprehensive automation and integration, combining non-standard equipment, general robots, integrating laser metal welding, electronic inspection, machine vision, data management and other technical and technological means.
Power Ni-MH battery packs production line technology - dynamic screening - 1 series and parallel connection according to quantity requirements - BMS system outsourcing processing and production - parameter calibration performance testing cable preparation - casing preparation, heat dissipation, screen opening and interface, battery pack and BMS system Integration - rapid quality inspection to issue performance parameter data packaging and certificates.
The automated integration business of computer-automatic matching of power batteries generally includes fully automatic/semi-automatic assembly lines for modules and PACKs. Various manufacturers generally use semi-automatic PACK assembly lines, which are mainly used for the three parts of PACK on-line, off-line and packaging.
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