The product is prepared with ultra-high purity zinc raw materials and refined synthesis process, with a dry basis purity of ≥99.5%, and the contents of heavy metals and iron are strictly controlled below ppm level, ensuring that the battery will not have short-circuit problems caused by metal impurities. Its 500-mesh ultra-fine particle size and high specific surface area ensure uniform dispersion in the preparation of cathode materials, improving the crystallinity and electrochemical performance of the materials. Compared with traditional zinc salt precursors, the moisture content of this product is extremely low, which can effectively avoid electrolyte hydrolysis during battery production and improve the safety performance of batteries. In addition, the uniform particle morphology of the product can improve the tap density of cathode materials and increase the energy density of batteries, solving the industry pain point of low tap density of traditional precursor materials.
The dry basis purity of the product is not less than 99.5%, the 500-mesh sieve pass rate is ≥99.9%, the moisture content is ≤0.2%, the heavy metal content calculated by Pb is ≤1ppm, the iron content is ≤0.5ppm, and the specific surface area is ≥15m²/g. The appearance is pure white ultra-fine powder, no caking and no foreign matter. The bulk density is 0.2-0.4g/cm³, and the packaging uses vacuum-sealed aluminum foil bags, each with a net content of 10kg, and 1kg laboratory small packages can be provided, with full electrochemical performance test reports and ICP-MS quality inspection reports attached. The product complies with QB/T 5578-2021 Battery Grade Basic Zinc Carbonate standard, and meets the environmental protection and performance requirements of the new energy battery industry.
It is mainly used in the preparation of lithium-ion battery cathode materials, as a precursor for synthesizing zinc-doped ternary cathode materials, improving the cycle life and rate performance of batteries; it can also be used as an electrolyte additive to improve the stability of the electrolyte and inhibit the self-discharge of batteries. The product is suitable for the production links of high-power power batteries, energy storage batteries and small digital batteries, adapting to the production processes of cathode material mixing and sintering, and can be directly put into production equipment without additional pretreatment processes. It helps new energy battery manufacturers improve the performance and safety of battery products, and complies with environmental protection standards of the global new energy industry.
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