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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:2024-08-27 Hits: Popular:AG11 battery
How to make 14500 battery safer?
Generally speaking, safety problems of 14500 battery manifest as combustion or even explosion. The root cause of these problems lies in the thermal runaway inside the battery. In addition, some external factors, such as overcharging, fire, extrusion, puncture, short circuit and other problems, can also lead to safety problems.
14500 battery generate heat during the charging and discharging process. If the heat generated exceeds the heat dissipation capacity of the battery, the lithium-ion battery will overheat, and the battery material will undergo destructive side reactions such as SEI film analysis, electrolyte analysis, positive electrode analysis, negative electrode and electrolyte reaction, and negative electrode and adhesive reaction.
1. There is a high reactivity between the electrolyte and the positive and negative electrodes of 14500 battery. Especially at high temperatures, in order to improve the safety of the battery, improving the safety of the electrolyte is one of the more effective ways. By adding functional additives, using new lithium salts and utility model solvents, the safety hazards of the electrolyte can be effectively dealt with.
2. Regarding negative electrode materials, since the surface is often the part of 14500 battery that is most prone to thermochemical analysis and heat release, improving the thermal stability of the SEI film is a key way to improve the safety of negative electrode materials.
3. Setting battery safety valves, thermal fuses, connecting components with positive temperature coefficients in series, using thermal shutdown diaphragms, loading dedicated protection circuits, and dedicated battery management systems are also means to enhance safety.
4. 14500 battery release heat during operation, and if they are not released in time, they will spontaneously combust and explode. This can be managed through the battery thermal management system. The thermal management system equipped with new energy vehicles is a subsystem in the battery management system. The system can cool the battery when the temperature is too high and preheat it when the temperature is low, thereby better exerting the performance of the battery.
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