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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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4LR44 battery.18650 lithium-ion battery production process

release time:2023-12-19 Hits: Popular:AG11 battery

　　(1) Mixing of raw materials

　　Positive electrode: Place a proportion of polyvinylidene fluoride (PVDF) and nitromethylpyrrolidone (NMP) in the stirring

　　Mix in the mixer and adjust the mixer speed; Then add the positive electrode active substance and carbon black, vacuum and adjust

　　Adjust the speed of the mixer.

　　Negative electrode: Mix the latex and water in proportion in the mixer, and adjust the mixer speed to; then

　　Add CMS, vacuum, and adjust the mixer speed.

　　(2) Coating

　　Place the aluminum strip (negative electrode is copper strip) flat and straight on the coating machine, ensuring that the aluminum strip is not skewed or wrinkled

　　Smooth belt running, no material leakage, and no slipping. Apply the prepared slurry evenly on the machine and set the corresponding parameters,

　　This includes the positive electrode slurry speed, negative electrode slurry speed, oven temperature, and coating width. During the transportation process, it is necessary to

　　Observe whether the slurry is straight, without inclination, or misalignment, and whether the slurry thickness applied to the aluminum strip (copper strip) is uniform

　　Consistent.

　　(3) Vacuum drying

　　Place the coated positive and negative electrodes in a vacuum oven for drying, with a vacuum degree of -0.09MPa.

　　(4) Cut large pieces

　　Cut the coated positive electrode into large pieces of a certain length (depending on the specific battery design), using a cutting machine

　　The walking speed is 55mm/min, and the incision is required to be free of burrs.

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