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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
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:2025-03-13 Hits: Popular:AG11 battery
Comparison between Lithium - Ion Pouch Batteries and Metal - Cased Batteries
Lithium - ion pouch batteries and metal - cased batteries have several differences in terms of performance, safety, and cost.
1. Performance
Energy Density: Lithium - ion pouch batteries generally have a higher energy density compared to some metal - cased batteries. The flexible pouch allows for a more efficient use of space, as there is no need for a bulky metal case. This means that pouch batteries can store more energy in a given volume or weight. For example, in applications like electric vehicles, a higher energy density in pouch - type lithium - ion batteries can result in a longer driving range. However, metal - cased lithium - ion batteries, such as cylindrical or prismatic ones, also have high energy densities, and in some cases, advanced metal - cased designs can be competitive.
Power Density: Pouch batteries can offer good power density, especially in some high - performance designs. They can quickly deliver or absorb electrical energy, which is beneficial for applications that require rapid charging or discharging, like in power - hungry electronic devices. Metal - cased batteries also vary in power density depending on their design. Some cylindrical metal - cased batteries are optimized for high - power applications, such as in power tools, and can provide high - power outputs.
2. Safety
Thermal Management: Metal - cased batteries often have better heat dissipation properties due to the metal case acting as a heat sink. In case of overheating, the metal can help distribute the heat more effectively. However, pouch batteries can also be designed with effective thermal management systems. For example, some pouch batteries use heat - conducting materials within the pouch or are integrated with external cooling systems. In terms of thermal runaway, both types of batteries can be affected, but the flexible nature of the pouch may allow for more controlled expansion in case of gas generation during thermal events, potentially reducing the risk of explosion compared to some rigid metal - cased batteries.
Mechanical Protection: Metal - cased batteries are generally more robust in terms of mechanical protection. The metal case can withstand impacts, drops, and vibrations better. Pouch batteries, on the other hand, are more vulnerable to physical damage, although the laminate film provides some level of protection. However, advancements in materials and design for pouch batteries are improving their mechanical durability.
3. Cost
Manufacturing Cost: Pouch batteries can have a lower manufacturing cost in some cases. The simpler pouch - forming process compared to manufacturing complex metal cases can reduce production costs. Additionally, the use of fewer materials in the flexible pouch can contribute to cost savings. However, metal - cased batteries may have economies of scale in high - volume production, especially for well - established designs like cylindrical metal - cased batteries. The cost also depends on the specific materials used in both types of batteries, such as the active materials in the electrodes and the quality of the electrolytes.
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