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Technological Innovation - Ceramic Roller Crusher for High Nickel Ternary Materials

Issuing time:2019-01-05 09:44

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Suzhou xiran industry co., ltd. based on the characteristics of high nickel material, the ceramic roller crusher seal parts of the technical innovation, in the original labyrinth seal on the basis of the addition of air seal, effectively eliminate the problem of powder leakage.


With the continuous expansion and extension of lithium-ion battery applications, the capacity requirements of lithium-ion batteries are getting higher and higher. In the lithium-ion battery composition, the positive electrode material is the most critical part, and its cost accounts for about one-third of the entire battery. Lithium ion in the structure of the positive electrode material is the only source to maintain the normal operation of the lithium ion battery, so the energy density of the positive electrode material largely determines the energy density of a battery. In this context, high-nickel ternary cathode materials represented by 523, 622, and 811 have attracted more and more attention and become hotspots in recent years.


High-nickel materials are sensitive to humidity and easily absorb moisture from the air, causing deterioration or even failure of material properties. In order to protect raw materials from moisture, it is necessary to add dry gas to the production line. At the same time, because the fluidity of NCA is very good (approximating liquid), the traditional labyrinth seal can not meet the requirements of high nickel material, easy to leak powder, the material easily enters the transmission shaft, the friction on the shaft is large, and the shaft and bearing are easily damaged.


Suzhou xiran industry co., ltd. based on the characteristics of high nickel material, the ceramic roller crusher seal parts of the technical innovation, in the original labyrinth seal on the basis of the addition of air seal, effectively eliminate the problem of powder leakage.


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In addition, due to the high hardness of single crystal high nickel material, it is easy to produce friction on the equipment cavity during the crushing process, resulting in high wear and tear. In order to avoid internal wear and tear of the cavity, suzhou xiran industry co., ltd. has carried out WC tungsten carbide spraying on the material feeding plate of the equipment, which greatly increases the service life of the parts.


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Ceramic roller crusher

 

At present, the first domestic high-nickel low dew point (-60 degree) production line of

ternary cathode material participated by Xiran Industry has been completed !



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Suzhou Xi ran Industrial Equipment Co., Ltd.

Add:No. 1 Chunhui Road, Suzhou Industrial Park

Suzhou Industrial Park

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Mail:xiran_china@126.com


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