China Aluminum Corporation's Lithium Battery Separator Material: Zhengzhou Research Institute's Annual Production of 4,000 Tons of Lithium Battery Separator Material Expansion Project Conducts Material Trial Run. China Aluminum Corporation recently conducted a high-temperature tunnel kiln material trial run for the expansion project of an annual production of 4,000 tons of lithium battery separator material. This project is the industrialization process of lithium battery separator material independently developed by China Aluminum Corporation's Zhengzhou Research Institute. In the case of foreign monopoly on α-alumina for lithium battery separator coating, Zhengzhou Research Institute has overcome the technological barriers and developed a preparation process for lithium battery separator coating using α-alumina. This technology has successfully reduced the impurities, magnetic materials, and contaminants in industrial alumina raw materials.
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