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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:2023-12-12 Hits: Popular:AG11 battery
Working principle of iron lithium batteries
The full name of iron lithium battery is lithium iron phosphate lithium-ion battery, which is also called "lithium iron power battery" due to its particularly suitable performance for power applications. (hereinafter referred to as "lithium iron battery")
Working principle of lithium iron batteries (LiFePO4)
The internal structure of LiFePO4 battery is shown in Figure 1. On the left is LiFePO4 with a olivine structure as the positive electrode of the battery, connected by aluminum foil to the positive electrode, and in the middle is a polymer separator that separates the positive and negative electrodes. However, lithium ion Li+can pass through while electron e - cannot. On the right is the negative electrode of the battery composed of carbon (graphite), connected by copper foil to the negative electrode of the battery. The electrolyte of the battery is located between the upper and lower ends, and the battery is enclosed in a metal shell.
During charging of LiFePO4 batteries, the lithium ion Li+in the positive electrode migrates to the negative electrode through a polymer separator; During the discharge process, the lithium ion Li+in the negative electrode migrates to the positive electrode through the separator. Lithium ion batteries are named after the migration of lithium ions during charging and discharging.
Main performance of LiFePO4 batteries
The nominal voltage of LiFePO4 batteries is 3.2 V, the termination charging voltage is 3.6 V, and the termination discharging voltage is 2.0 V. Due to differences in the quality and process of positive and negative electrode materials and electrolyte materials used by various manufacturers, there may be some differences in their performance. For example, for the same model (standard batteries in the same packaging), there is a significant difference in battery capacity (10%~20%).
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