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PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC field of the main application of iron removal of nano-silicon carbon materials
Time: 2023-10-29

Graphite iron

The main problems of silicon-based negative electrode are large expansion, low first pin and low rate, which can be improved by improving material design and battery system. There are two main solutions: 1) Improved MATERIAL design, such as size control, PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC removal of iron high conductivity materials, pre-lithium, cavity construction, etc.; 2) Improve the battery system, such as the development of more suitable binders, conductive additives, electrolytes.


PTMS MAGNETIC SEPARATOR

At present, the commercial PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC removal of iron silicon based negative electrode materials mainly include carbon coated silicon oxide, nano silicon carbon, amorphous silicon alloy, silicon nanowires four kinds. Among them, carbon-coated silicon oxide and nano-silicon carbon are the two most commercialized silicon-based anode materials. Nano-silicon carbon, the current commercial soft pack batteries and square aluminum shell batteries are still very sensitive to expansion, so that nano-silicon carbon materials are still difficult to use in such batteries.


how to separate two magnets?

Carbon coated silous oxide, the current better carbon coated silous oxide carbon products with graphite to 450-500mAh/g capacity after use, has been able to cycle 1000-2000 weeks in the steel shell cell, 500-1000 weeks in the soft pack cell cycle. At present, the main application field of PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC magnetic material for iron removal is still in cylindrical steel shell batteries, represented by 18650 and 21700 models.

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