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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:2024-09-10 Hits: Popular:AG11 battery
What is the effect of low temperature on the performance of CR1632 battery?
Effect of low temperature on the performance of CR1632 battery
▲ Effect of low temperature on charge and discharge performance
With the decrease of temperature, the average discharge voltage and discharge capacity of lithium-ion batteries both decrease, especially when the temperature is -20℃, the discharge capacity and average discharge voltage of the battery decrease rapidly.
▲ Effect of low temperature on cycle performance
The capacity of the battery decays rapidly at -10℃. After 100 cycles, the capacity is only 59mAh/g, and the capacity decay is 47.8%; the battery discharged at low temperature is charged and discharged at room temperature to test the capacity recovery performance. Its capacity is restored to 70.8mAh/g, and the capacity loss is 68%. It can be seen that the low temperature cycle of the battery has a great impact on the recovery of the battery capacity.
▲ Effect of low temperature on safety performance
Charging of lithium-ion batteries is the process in which lithium ions are removed from the positive electrode and embedded in the negative electrode material through the migration of electrolyte. Lithium ions aggregate to the negative electrode, and six carbon atoms capture one lithium ion. At low temperatures, the activity of chemical reactions decreases, and the migration of lithium ions slows down. The lithium ions on the surface of the negative electrode have not yet been embedded in the negative electrode, but have been reduced to metallic lithium. They precipitate on the surface of the negative electrode to form lithium dendrites, which can easily pierce the separator and cause a short circuit in the battery, thereby damaging the battery and causing safety accidents.
It is best not to charge CR1632 battery in winter, because at low temperatures, the lithium ions embedded in the negative electrode will crystallize and directly pierce the separator, which will generally cause a micro short circuit, affecting the life and performance, and even directly explode in severe cases. So some people report that lithium-ion batteries cannot be charged in winter because some people with battery management systems are protected by the product.
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