CR2430 battery

　　CR2430 battery manufacturers analyze the technical application advantages of high-purity alumina CR2430 battery separators

　　CR2430 battery manufacturers analyze the technical application advantages of high-purity alumina CR2430 battery separators. High-purity alumina refers to alumina with a purity of at least 99.9%. This type of product is a high-end product and an important ceramic material. Due to its low impurity content, this material has excellent hardness, high brightness, electrical isolation, super wear resistance and high corrosion resistance. Below, CR2430 battery manufacturers analyze the technical application advantages of high-purity alumina CR2430 battery separators.

　　CR2430 battery manufacturers analyze the technical application advantages of high-purity alumina CR2430 battery separators

　　As the capacity of lithium-ion rechargeable batteries continues to increase, the energy accumulated inside becomes larger and larger, and the internal temperature will increase. If the temperature is too high, the diaphragm will melt and cause a short circuit. Because high-purity nano-alumina has insulation, heat-insulating, high-temperature resistance and other properties, it can be used as a coating for lithium batteries. Applying a layer of nano-alumina coating on the CR2430 battery separator can avoid short circuits between electrodes. Improve the safety of CR2430 battery use.

　　In addition, surface coating of materials such as lithium cobalt oxide, lithium manganate, lithium titanate and lithium iron phosphate using high-purity nano-alumina can also significantly reduce the interface impedance, provide an additional electron transmission tunnel, and effectively prevent the electrolyte from attacking the electrode. corrosion, and can also accommodate the volume change of particles during the Li+ deintercalation process to prevent damage to the electrode structure.

　　The alumina currently used in the CR2430 battery separator industry is high-purity and ultra-fine, and the purity of alumina is required to be above 99.99%. High-purity alumina has the characteristics of high cost and complex preparation process. Whether it is the hydrothermal method or the hydrolysis reaction of aluminum alkoxide, the process is complex and the cost is high.

　　Advantages of high-purity alumina as CR2430 battery separator

　　1. High-purity alumina has micropore regulating effect. High-purity alumina has a plate-like crystal structure. When the current is too large, the material heats up, and the high-purity nano-alumina coating material with plate-like crystal structure expands in volume, closing the current conduction holes on the CR2430 battery separator. Thereby blocking the current flow.

　　This greatly improves the safety performance of lithium batteries, thereby providing the possibility for high-energy, safe and reliable charging and discharging of high-power lithium batteries.

　　2. High-purity nano-alumina also has very excellent thermal conductivity. When the battery temperature is too high, this material can conduct heat well, thus solving the problem of poor thermal conductivity of PP/PE materials.

　　3. High-purity nano-alumina material also has excellent flame retardancy. This is because the high-purity alumina material itself is a very good flame retardant. Even if the temperature is too high and reaches the zero combustion point, the material has good flame retardancy. Flame retardant properties will prevent widespread combustion or even explosions.

　　High-purity alumina is used as an electrode coating for lithium batteries, which can effectively insulate and insulate, and improve safety performance.

　　High-purity alumina is used to modify spinel lithium manganate materials to produce a battery with a reversible capacity of 107mAh/g. It can be cycled at 55C for 200 times with a capacity retention rate of greater than 90%, which is superior to the level of similar international products and is the first in the country. A material that can be used in high-power lithium-ion batteries.

　　In recent years, due to the wide application fields of high-purity alumina, the large space for product series and extension, and the high correlation with other high-tech industries, its actual market is very considerable, and as the application fields continue to expand, products continue to be derived. Evolution and development, the market prospects of high-purity alumina are extremely promising.

　　At present, the domestic market demand for high-purity alumina, especially high-end high-purity alumina, will increase significantly in the next few years. Therefore, the next few years will be the best time for the development of high-purity alumina production enterprises, and the technical content of the products and Quality will become the most powerful weapon for enterprises to compete in the market.

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