Lithium Battery 3.7V Lithium Polymer Battery 3.2V LifePo4 Battery 1.2V Ni-MH Battery Button Coin Battery
3.7V Battery Pack 7.4V Battery Pack 11.1V Battery Pack 14.8V Battery Pack Other Battery Pack
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:2024-04-25 Hits: Popular:AG11 battery
Advantages and Disadvantages of 3.7V Lithium Polymer Battery
The improvement of lithium titanate battery performance is a comprehensive reflection of the improvement of individual raw material properties and the organic combination of each important raw material. In order to meet the requirements of fast charging and long life, in addition to battery cathode materials, other important raw materials of lithium batteries (including battery cathode materials, diaphragms, and lithium battery electrolytes) are also combined with special engineering projects. The experience related to the processing technology finally produced the non-bloating lithium titanate LpTO rechargeable battery product, which was used in large quantities on electric buses for the first time.
The experimental results show that under the conditions of 6C charging, 6C charging and discharging, and 100% DOD, the cycle life of a single lithium titanate LpTO battery reaches more than 25,000 times, and the remaining capacity reaches more than 80%. In addition, the lithium battery cell causes The bloating is not obvious and does not affect the service life of the rechargeable battery; the actual use of fast-charging pure electric buses in Chongqing also shows that after the rechargeable batteries are combined, the electrical performance is also very good, ensuring the daily commercial service of the pure electric buses operation.
advantage.
In solving the ecological environment problems of cities, using battery vehicles to replace fuel vehicles is the best choice. Among them, lithium-ion batteries are of concern to everyone. In order to meet the requirements of battery vehicles for vehicle-type positive ion lithium batteries, The research and development of battery cathode materials that are safe, multiplexable and long-lasting has become a hot topic and problem in scientific research.
Carbon-based materials are essential for the commercial use of lithium battery negative stages, and lithium batteries using carbon as negative stages still have some shortcomings in use:
Overcharging the battery can easily dissolve lithium dendrites, causing the battery to short-circuit, thereby affecting the safety of the lithium battery;
Second, it is very easy to produce SEI film, resulting in low initial battery charging efficiency and high reversibility;
That is, the working voltage of the carbon raw material platform is low (close to metallic lithium) and can easily cause the lithium battery electrolyte to dissolve, thus posing safety risks.
The volume of lithium-ion batteries changes greatly during the process of insertion and resin adsorption, and the cycle reliability is poor.
Spinel type Li4Ti5O12 has the following obvious advantages over relative carbon materials:
It is a zero-strain material with excellent circulation system properties;
The charging and discharging voltage is stable, which will not cause the lithium battery electrolyte to dissolve and improve the safety factor of the lithium battery;
Compared with carbon battery cathode materials, lithium titanate has a higher thermal diffusion coefficient of lithium-ion batteries (2*10-8cm2/s), which can complete the charging of polymer battery cells and other characteristics.
Compared with pure metal lithium, lithium titanate has a higher potential difference and is less likely to form lithium dendrites, which is the basis for ensuring the safe supply of lithium batteries.
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