Carbon nanotubes have very significant advantages in mechanical properties, electrical properties, thermal properties, chemical stability, etc., and are known as the "king of nanomaterials". At present, carbon nanotubes have been included in the national strategic layout as a new material, and their technological progress and commercial application are in a period of rapid development.
As a new material, carbon nanotubes are currently mainly used as a new type of electrical conductive paste in the field of lithium batteries due to their excellent electrical conductivity, accounting for more than 80%, of which power batteries are the largest downstream application field. In addition, they are also used in the conductive plastic industry, which is widely used in semiconductors, antistatic materials, integrated circuit packaging, electromagnetic wave shielding and other fields.
The main materials of lithium batteries include positive electrode materials, negative electrode materials, electrolytes and diaphragms. Conductive agents, as a key auxiliary material, are mixed with positive electrode materials and negative electrode materials for the production of electrode plates, which can increase the conductive contact between active materials and increase the transmission rate of electrons in the electrodes of lithium batteries, thereby improving the rate performance of lithium batteries and improving the cycle life and optimizing the overall performance.
Compared with traditional electrical conductive paste, carbon nanotubes have better electrical conductivity. To achieve the same conductive effect, the amount of carbon nanotubes added is only 1/6-1/2 of the traditional conductive agent. At the same time, carbon nanotubes perform well in improving battery energy density, improving cycle life and improving fast charging performance. Since 2014, carbon nanotubes have gradually penetrated into the field of power batteries and become a new type of conductive agent in China, thus changing the situation of traditional conductive agents relying on imports. And as the performance requirements of power batteries in terms of energy density, fast charging performance, cycle life, etc. continue to increase, and as technology continues to advance and costs gradually decrease, the application of carbon nanotube conductive agents in the field of lithium batteries has gradually expanded. At present, the market penetration rate of carbon nanotube conductive agents in lithium battery conductive agents is about 20%, and there is huge room for improvement in the future.
TANFENG Technology Co., Ltd. is the world's leading company in carbon nanotube conductive agents for lithium batteries. The company is a relatively large carbon nanotube manufacturer in China, mainly engaged in the research and development, production and sales of nano-scale carbon materials. Its main products are carbon nanotube conductive slurry. In addition, there are some carbon nanotube powders, carbon nanotube conductive masterbatches, etc., which are mainly used in lithium batteries, conductive plastics and other fields, and ultimately used in new energy vehicles, 3C products, energy storage batteries and other products.
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