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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:2022-11-22 Hits: Popular:AG11 battery
The liquid lithium battery is mainly composed of four parts: positive electrode material, negative electrode material, diaphragm and electrolyte. The electrolyte is mainly responsible for conducting conductive ions between the positive and negative electrodes. It plays a key role in the energy density, cycle life, power density, safety performance, wide temperature application, etc. of the battery, and is called "the blood of the battery".
In the application of battery, electrolyte needs to meet the performance indicators of high conductivity, good thermal stability, high chemical stability, wide electrochemical window, wide operating temperature range, and good safety. What are the main components of lithium battery electrolyte?
The main components of lithium battery electrolyte are solvents, solutes, additives and other raw materials, which are prepared in proportion under certain conditions. The quality of the three raw materials accounts for 80% - 85%, 10% - 12%, 3% - 5% respectively, and the cost accounts for 25% - 30%, 40% - 50%, and 10% - 30% respectively.
1. Solvent: It is mainly used as the transport carrier of lithium ions, and commonly used as carbonate solvent, including propylene carbonate (PC), ethylene carbonate (EC), diethyl carbonate (DEC), dimethyl carbonate (DMC), methyl ethyl carbonate (EMC), etc. Generally, high and low viscosity solvents are used together. Common combinations are EC+DEC, EC+DMC, EC+DMC+EMC, EC+DMC+DEC.
2. Solute: As a provider of lithium ions, lithium tetrafluoroborate (LiBF4), lithium hexafluorophosphate (LiPF6), new lithium salt lithium difluorosulfonymide (LiFSI), etc. are generally selected.
3. Additives: substances with specific functions. Electrolytes generally contain a variety of additives, which can be divided into film forming additives, high/low temperature additives, overcharge protection additives, flame retardant additives, magnification additives, etc. according to their functions. The common ones are vinyl carbonate (VC) and fluoroethylene carbonate (FEC).
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