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release time:2023-08-07
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1： Used for battery electrode coating;
High purity nano aluminum oxide VK-L500 has insulation, heat insulation, and high temperature resistance properties; With the continuous improvement of the capacity of lithium-ion rechargeable batteries, the energy stored inside becomes larger and larger, and the internal temperature will increase, which may cause the negative electrode diaphragm to melt and cause a short circuit due to excessive temperature; If a layer of nano alumina coating is applied to the electrode, it can avoid short circuits between the electrodes. Improve the safety of using lithium batteries.
2： Lithium ion battery materials are mixed or coated;
Inclusion or coating of nano aluminum oxide VK-L30D will significantly reduce the interface impedance, provide additional electron transmission tunnels, greatly prevent the Erosion of electrolyte on the electrode, and can accommodate the volume change of particles in the Li insertion process, to prevent the damage of electrode structure. Electrochemical testing shows that the first discharge capacity, cycling performance, high-temperature performance, and rate performance of the sample with a 0.25% coating amount have been significantly improved, while an excessively thick coating layer can lead to a deterioration of electrochemical performance.
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2023-08-04
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