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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:2024-07-19 Hits: Popular:AG11 battery
Safety Classification and Protection Strategies for Lithium ion Batteries
The key issues that need to be considered for battery powered ships based on their own safety characteristics are: the safety of lithium-ion batteries themselves; Temperature rise monitoring and control of lithium-ion batteries; Prevention and monitoring of thermal runaway in lithium-ion batteries; Layout of lithium-ion batteries on board ships; Effective measures for extinguishing fires with lithium-ion batteries; Coordination between battery system and ship management system. This article proposes the concept of safety classification and multi-layer safety prevention and control strategies for battery ships to address the above issues.
Firstly, there are potential safety hazards associated with batteries. Batteries that may release toxic or flammable gases or pose risks of explosion, swelling, and leakage during normal use are prohibited for marine use. Secondly, provide safety classification evaluation criteria for batteries based on their chemical characteristics. Consider grading based on different manifestations after thermal runaway. Batteries with high risk of combustion (explosion) due to the release of oxygen and toxic flammable gases in the event of thermal runaway, with a safety level of 1; Batteries that only release toxic and flammable gases in the event of thermal runaway and have a low risk of combustion (explosion)
A battery with a safety level of 1 generates a large amount of oxygen and flammable gases under high temperature and thermal runaway, providing a combustion aid for the decomposition and combustion of the electrolyte. Moreover, thermal decomposition occurs at lower temperatures, resulting in a higher probability of thermal runaway. Once thermal runaway occurs, there is also a greater possibility of explosion and re ignition after extinguishing the fire. Therefore, the protection level must be increased; A battery with a safety level of 2 is safe and reliable when working normally. In the event of thermal runaway, it generally only releases white toxic and pungent (flammable) gas, and produces less open flames. With appropriate protection, it can be used on ships.
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