The main problems of silicon-based anode are large expansion, low head pin and low rate. The performance of the anode can be improved by improving the iron removal design of PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC and improving the battery system. There are two main solutions: 1) Improved design, such as size control, coating with highly conductive materials, prelithium, cavity construction, etc.; 2) Improve the battery system, such as developing more suitable binders, conductive additives and electrolytes.
At present, commercial silicon based anode materials for PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC removal of iron mainly include carbon coated silicon oxide, nano silicon carbon, amorphous silicon alloy, silicon nanowires, among which carbon coated silicon oxide and nano silicon carbon are the two most commercialized silicon based anode materials.
Carbon coated silicon oxide, currently the best carbon coated carbon coated silicon oxide products PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC after removing iron with graphite to 450-500mAh/g capacity after use, has been able to do 1000-2000 weeks in the steel core cycle, Cycle 500-1000 weeks in the soft pack cell.
Nano silicon carbon, the current commercial soft pack batteries and square aluminum shell batteries are still very sensitive to expansion, so that PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC iron removal nano silicon carbon materials are still difficult to use in this kind of batteries. At present, the main application field of nano-silicon carbon materials is still in cylindrical steel shell batteries, and there are only two models.
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