Lithium Battery 3.7V Lithium Polymer Battery 3.2V LifePo4 Battery 1.2V Ni-MH Battery Button Coin Battery
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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:2024-03-26 Hits: Popular:AG11 battery
What are the structures of lifepo4 18650 battery? What is its production and processing process?
The structure of lithium battery
The structure of lithium battery is divided into five parts, namely positive electrode, negative electrode, separator, electrolyte and casing.
1. Positive electrode
Among the overall constituent materials of lifepo4 18650 battery, positive electrode materials occupy a larger proportion, and the mass ratio of positive and negative electrode materials is 3:1~4:1. Because the performance of the cathode material directly affects the performance of the lithium battery, its cost also directly determines the cost of the battery.
The cathode material contains active materials, conductive agents, solvents, binders, matrix and other substances.
2. Negative pole
Lithium battery anode materials hold the lifeblood of power battery safety. Among lithium battery anode materials, in addition to graphitized mesocarbon microspheres (MCMB), amorphous carbon, silicon or tin, which occupy a small market share, natural graphite and artificial graphite Occupying more than 90% of the anode material market share.
The negative electrode material contains active materials, binders, solvents, matrix and other substances.
3. Diaphragm
The main function of the separator is to separate the positive and negative electrodes of the battery to prevent the two electrodes from contacting and causing a short circuit. In addition, it also has the function of allowing electrolyte ions to pass through.
Marketed separator materials are mainly polyolefin (Polyolefin) separators based on polyethylene (PE) and polypropylene (PP). Among them, PE products are mainly made by wet processes, and PP products are mainly made by dry processes. Produced by legal process.
Lithium battery production and processing process
The production and processing process of lifepo4 18650 battery is not very consistent for each manufacturer, but most of them are inseparable from these links, as follows:
Detailed explanation of the production process flow chart of lifepo4 18650 battery
Specifically as follows: material preparation - homogenization - coating - rolling - cutting - baking - winding - shelling - laser welding - baking - liquid injection - pre- Charging - sealing - cleaning - aging - full inspection - warehousing - shipping.
Lithium battery processing price analysis
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