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SINO TECHNOLOGY

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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SUNBEAM

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

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GREEN POWER

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

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DATAPOWER

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.

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SEONG-HEE

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

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STD

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.

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703048 lipo battery.Research on Negative Electrode Materials for Lithium Batteries

release time:2023-10-24 Hits: Popular:AG11 battery

　　As the negative electrode material for lithium secondary batteries, metallic lithium is first used, followed by alloys. However, they cannot solve the safety performance of lithium-ion batteries, which led to the birth of lithium-ion batteries with carbon materials as the negative electrode.

　　The negative electrode material of polymer lithium-ion batteries is basically the same as that of lithium-ion batteries. From the development process of polymer lithium-ion batteries mentioned earlier, it can be seen that since the commercialization of lithium-ion batteries, there have been several types of negative electrode materials studied: graphitized carbon materials, amorphous carbon materials, nitrides, silicon based materials, tin based materials, new alloys, and other materials. This chapter mainly discusses practical negative electrode materials, namely graphitized carbon materials, while research on other negative electrode materials is being discussed.

　　For practical applications of negative electrode materials, there are many factors to consider. In addition to reversible capacity, irreversible capacity, and cycling performance, they should also include the adhesion between the negative electrode material and the collector (i.e. coating), the compaction density, volume capacity density, mass capacity density, etc. of the negative electrode plate, which are often overlooked by researchers engaged in negative electrode material research. Of course, the conductivity and specific surface area of negative electrode materials also need to be considered.

　　Due to the wide variety of carbon materials, in order to better understand negative electrode materials, some basic knowledge related to carbon materials will be introduced first

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