A few days ago, the 1235 battery aluminum foil produced by JISCO Dongxing aluminum Tiancheng color aluminum company was successfully supplied to a famous aluminum foil manufacturer in Zhejiang.

        In recent years, China's new energy vehicle manufacturing is in the ascendant, and the power battery industry, as the core parts of new energy vehicles, is also rising. With its small size, lightweight, flexible and other comprehensive performance, flexible packaging lithium-ion battery has become the "net red" in the power battery industry, in which aluminum foil has become the "new upstart" in the power battery industry.
        After market research and feasibility demonstration, Tiancheng color aluminum company believes that the technical equipment and technical level of Jiuquan Iron and Steel Co., Ltd. meet the production conditions of 1235 alloy battery aluminum foil blank with large market demand, and decides to march into new fields“ 1235 battery aluminum foil products have a series of advantages, such as light weight, good coating, airtight, corrosion-resistant, non-toxic and tasteless, etc. the main application fields are packaging, daily use, electromechanical, construction, etc Li Yanqin, chief engineer of the company's technology and quality department, said that the battery aluminum foil has strict requirements on the performance of its blank, so the production is very difficult.

        The thickness of aluminum foil blank of 1235 battery is only 0.2 mm, which will be rolled to 0.01-0.02 mm after being delivered to downstream customers for processing. The former process is very important for the smooth rolling of aluminum foil which is one eighth of the thickness of hair.
        In addition to thin, the production of 1235 battery aluminum foil, but also need to overcome four major problems, namely surface quality, flatness, strength, purity. At the same time, the requirement of production environment is very high, any inclusion or dust will form pinholes.
        From batching, melting, casting, refining, slag removal, degassing, to filtration, casting and rolling, cold rolling, the R & D team of the company, based on the original production of high-performance aluminum foil, used the existing rolling mill equipment to repeatedly demonstrate the production process, redesigned and matched the process parameters, such as cooling intensity, casting and rolling zone length, roll crown, etc., which affected the microstructure and mechanical properties, and overcame the problems of production line selection, rolling and rolling The problems of production equipment upgrading, roll grinding, nozzle design, melt quality purification and equipment cleaning ensure the smooth progress of trial production of 1235 alloy aluminum foil for battery.
        From design and development to batch supply, it took only half a year for the company to get through the aluminum foil technology of 1235 alloy battery. In April, it successfully supplied a lot of aluminum foil to a famous aluminum foil manufacturer in Xuzhou, which was highly recognized by customers.
         "The research and development of 1235 battery aluminum foil has provided a strong support for the improvement of quality and efficiency, transformation and upgrading of enterprises." Liu Jianxing, head of the technology and Quality Department of the company, said that in the later stage, the performance of the product will be systematically analyzed and tested to further understand the principle and lay the foundation for improving the product series.