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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:2024-03-18 Hits: Popular:AG11 battery
When the temperature drops from 18 ° C to 0 ° C, the internal resistance of the 150Ah lithium battery pack doubles. Below 0℃, the discharge capacity of lithium battery pack decreases rapidly. When the temperature drops to -10 ° C, the internal resistance of the lithium battery pack increases by two times.
The heat consumption rate of lithium battery packs is not the same at different temperatures, because the chemical reaction inside the battery is closely related to the temperature. The ambient temperature is low, and the lithium battery pack will generate more heat when it runs.
The operating environment temperature of the lithium battery pack has a certain impact on the internal resistance, heat consumption rate, discharge capacity, cycle life, and state consistency of the battery.
Methods of temperature regulation
Internal regulation
The temperature sensor is placed in the most representative location with the largest temperature change, especially the highest and lowest temperature, and the area where the heat accumulation in the center of the lithium battery pack is severe.
External regulation
At present, considering the complexity of the thermal management structure of the battery pack, most of the air cooling methods are simple in structure. And considering the uniformity of heat dissipation, most of the parallel ventilation methods are used.
Temperature adjustment: The simplest heating method of the structure is to add heating plates above and below the lithium battery pack for heating, and to wrap heating wires around each lithium battery pack or to use heating films to cover the entire perimeter of the lithium battery pack for heating.
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