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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.
source:Industry News release time:2025-06-10 Hits: Popular:AG11 battery
Lithium-ion battery module design is a complex and crucial process that aims to combine individual lithium-ion cells into a functional unit, optimizing performance, safety, and durability for various applications, such as electric vehicles, energy storage systems, and portable electronics.
The first step in lithium-ion battery module design is cell selection. Different types of lithium-ion cells, including cylindrical, prismatic, and pouch cells, have distinct characteristics. Cylindrical cells, like the widely used 18650 and 21700 types, offer good mechanical strength and are relatively easy to manufacture in large quantities. Prismatic cells provide higher energy density in a more customizable form factor, while pouch cells are lightweight and flexible, allowing for efficient space utilization. The choice of cell type depends on factors such as the required energy and power density, form factor constraints, and cost considerations of the end - application.
Once the cells are selected, the arrangement of cells within the module is carefully planned. Series and parallel connections are commonly used. Connecting cells in series increases the voltage output of the module, while parallel connections increase the current - carrying capacity and overall energy storage. For example, in an electric vehicle battery module, multiple cells may be connected in series to reach the desired operating voltage, and several of these series - connected strings may be connected in parallel to meet the power and energy requirements. The layout of cells also needs to consider factors such as heat dissipation and mechanical stability. A well - designed cell arrangement ensures uniform heat distribution and minimizes the risk of thermal runaway, which can be extremely dangerous in lithium-ion batteries.
Thermal management is a critical aspect of lithium-ion battery module design. Lithium-ion cells generate heat during charging and discharging, and excessive heat can degrade cell performance, reduce lifespan, and pose safety risks. To address this, various thermal management techniques are employed. Passive thermal management methods, such as using heat - conducting materials like aluminum or copper plates and heat - dissipating fins, can transfer heat away from the cells. Active thermal management systems, including liquid - cooled or air - cooled systems, are often used for more demanding applications. In a liquid - cooled system, a coolant circulates through channels in the battery module, absorbing and carrying away the heat. These systems require careful design to ensure even heat transfer and prevent hotspots within the module.
Mechanical design is also essential for lithium-ion battery modules. The module housing needs to protect the cells from external impacts, vibrations, and environmental factors. It should be made of materials with high strength - to - weight ratios, such as aluminum alloys or carbon fiber composites. The internal structure of the module, including the cell holders and connection components, must be designed to withstand mechanical stresses during operation and transportation. Additionally, electrical insulation and protection are crucial to prevent short circuits and ensure the safety of the module. Insulating materials are used to separate electrical components, and fuses or circuit breakers are incorporated to protect against overcurrent and short - circuit conditions.
Finally, electrical connections within the module are designed to minimize resistance and ensure reliable power transfer. High - quality connectors and busbars are used to connect the cells, and the electrical layout is optimized to reduce voltage drops and power losses. By carefully considering cell selection, arrangement, thermal management, mechanical design, and electrical connections, lithium-ion battery module design can create high - performance, safe, and reliable battery modules for a wide range of applications.
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