Why do the positive and negative materials of the battery have to be measured?

The specific surface analyzer is a special equipment for detecting the specific surface area of ​​particulate matter. It is widely used in universities, research institutes and production enterprises. The specific surface area refers to the sum of the total external surface area of ​​all particles per gram of material. The international unit is: M2/g, specific surface area is an important parameter to measure the properties of a substance. Its size is closely related to particle size, shape, surface defects and pore structure. At the same time, the specific surface area will have a lot of physical and chemical properties. The influence, especially as the particle size becomes smaller, the specific surface area becomes a very important parameter to measure the performance of the material, such as nano materials currently widely used. Specific surface area size performance testing is a must in many industrial applications, such as battery materials, catalysts, carbon black reinforcing agents in rubber, nanomaterials, etc.

Battery materials (such as lithium cobaltate, lithium manganate, graphite, lithium nickel cobaltate, cobalt oxide, lithium iron phosphate, lithium titanate, three elements, three-element materials, polymers, polymer materials, polymer battery materials, alkalis Manganese material, lithium ion material, lithium manganese material, alkaline material, zinc manganese material, quartz powder, magnesium manganese material, carbon material, zinc empty material, zinc mercury material, acetylene black, nickel hydrogen material, nickel cadmium material, separator , active materials, additives, conductive agents, corrosion inhibitors, manganese powder, electrolytic manganese dioxide, graphite powder, nickel hydroxide, nickel foam, modified graphite materials, positive active materials, negative active materials, zinc powder, etc.);

The specific surface area of ​​the battery raw material has a great influence on the preparation of the slurry and the coating of the pole piece, and has a great influence on the first coulombic efficiency and cycle performance of the battery. The porosity of raw materials has an extremely important influence on high rate charge and discharge.

Besider Instrument Technology (Beijing) Co., Ltd. has a large customer base in the entire battery industry. The test results are stable and reliable, including Tianjin Beitray, Tianjin Bamo, Tianjin BAK, AVIC Lithium, and Peking University. Etc., given a high recognition of Besider's specific surface meter.

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