Graphite is the most commonly used cathode material for lithium ion battery. After PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC iron removal, it has the advantages of high specific energy, high specific capacity, low price and so on, and has good circulability and stability. The specific capacity of graphite material is about 372 mAh / g, which has a high efficiency for the first time, and the cycle performance is stable, but its theoretical specific capacity has reached the upper limit, and it is difficult to further improve.
Hard carbon and soft carbon are also important components of carbon-based anode materials. Hard carbon materials, such as resin carbon, organic polymer pyrolysis carbon, etc., have a high specific capacity, but the cycle performance is relatively poor. Soft carbon materials such as carbon fiber and carbon microspheres can improve the specific capacity and improve the circulation performance by modifying the PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC iron removal treatment.
Silicon-based materials have a much higher specific capacity than graphite, which can theoretically reach 4200 mAh / g, but there are problems such as fast capacity attenuation and volume expansion. Nevertheless, silicon-based materials through PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC due to their high specific capacity.
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