Yunnan Metallurgical Group Aluminum Foil Technology and Aluminum Air Battery Technology

According to a large-scale non-ferrous net reprint: Recently, Yunnan Science and Technology Department and Yunnan Metallurgical Group jointly organized the "Yunnan Major Scientific and Technological Achievement Launch Yunnan Metallurgy Group Special Conference" in Kunming, and released the Yunnan Metallurgical Group's electronic-grade polysilicon technology and products, and chlorinated titanium. White powder technology and products, ultra-thin aluminum foil technology and products, aluminum-air battery technology and products are four cutting-edge high-end technologies. Secretary of the Yunnan Provincial Department of Science and Technology, Party Secretary Long Jiang speech, Yunnan Metallurgical Group party committee secretary, chairman Tian Yong made a speech and released scientific and technological achievements. Academician Dai Yongnian of the Chinese Academy of Engineering was invited to attend the conference.

According to reports, electronic-grade polysilicon achieves stable batch production, and clean energy photovoltaic power generation has been successfully put into operation. Polysilicon is a key material for integrated circuits and photovoltaic power generation. Yunnan Metallurgical Group has established a high-purity polysilicon R&D and manufacturing base, extended the industrial chain, and cooperated in the development of the photovoltaic industry. The Group's holding company - Kunming Metallurgical New Materials Co., Ltd. has successfully produced 3,000 tons/year of polysilicon industrialization projects and has been able to produce electronic grade products. After analysis and testing by domestic and foreign authoritative organizations and customer use, it fully meets the "electronic grade polysilicon" grade 1 product. With the requirements of the semiconductor industry, the technology and quality are leading domestically, and they have successfully entered the semiconductor and integrated circuit markets that have been monopolized by foreign countries. At present, it is carrying out comprehensive utilization of energy-saving and energy-saving technological transformation projects, and is expected to put into operation within the year. Polysilicon production capacity will reach 6,000 tons. In addition, with the use of clean solar energy and rocky desertification of barren hills, the 300 megawatts of Asia’s largest and the world’s second largest single-unit mountain photovoltaic power station built in Jianshui Nanzhuang has been put into operation with 20 MW on the grid and will be completed by the end of the year. Saving 130,000 tons of standard coal can reduce the emission of waste caused by burning coal by about 340,000 tons.

Chlorination titanium dioxide breaks the international blockade pattern. Titanium Chloride is widely used in coatings, plastics, inks, paper, ceramics and other fields. The Group's holding company - Yunnan Metallurgical Xinli Titanium Industry Co., Ltd. is the only company in the whole industry chain from raw materials to titanium slag, titanium sponge, and titanium dioxide. It has applied for 156 patents, authorized 74 patents, and formulated industry and local standards. 14 items. Among them, through the introduction and digestion of international advanced technology and integrated innovation, the 60,000-ton/year titanium dioxide project successfully produced a full-process chlorination product, breaking the technology blockade of foreign giants for nearly half a century, and winning the top ten scientific and technological advancements in Yunnan Province. honor. The quality of this product has been basically the same as that of an internationally renowned brand, achieving large-scale, clean and efficient mass production of high-performance chlorinated titanium dioxide production, which has changed the status quo that China's high-end titanium dioxide can only rely on imports for many years.

Ultra-thin aluminum foil is “first in the world and leading in China”. With the innovation and development of modern biological engineering, energy and environmental protection and other related technologies, aluminum foil is widely used in electronics, power capacitors, packaging and other fields. Ultra-thin aluminum foil with a thickness of less than 0.2 mm and less than or equal to 0.005 mm is an important raw material for capacitor products. Yunnan Metallurgical Group successfully manufactured ultra-thin aluminum foil with a thickness of 0.0045/0.005 mm using a cast blank. This technology has broken through the traditional process route that can only produce 0.005 mm aluminum foil from hot rolled blanks internationally, changed the situation that domestic ultra-thin aluminum foils all depend on imports, and filled a blank in the world of China’s industrial technology. Metal Industry Association identified as "the world's first, leading domestic." To date, Yunnan Haoxin Aluminum Foil Co., Ltd., the group's holding company, is the only company that produces 0.0045/0.005 mm ultra-thin aluminum foils from cast-roll blanks.

Breakthroughs have been made in the development of aluminum-air batteries. Electrolytic aluminum is the most important business segment of Yunnan Metallurgical Group. How to extend the industrial chain of aluminum metal and increase its added value has long been the goal pursued by the industry. Yunnan Metallurgical Group established the “Yunnan aluminum-air battery R&D center” and “Aluminum-air battery R&D base” and established “Yunnan Metallurgical Group Chuangneng Aluminum Air Battery Co., Ltd.” for the development of new energy. - Air battery. The battery has the advantages of long cruising range, low production cost, environmental protection, easy recycling, and fast charging speed. It is an important direction for the development of new energy vehicles and has the most commercial application prospects. Through efforts, aluminum-air batteries have made breakthroughs in R&D. High-performance air electrodes, aluminum alloy anodes, and single cells have been prepared. Currently, the battery pack is undergoing on-vehicle tests, and the overall level of research and development is at the leading position in the country. It has applied for more than 10 patents.

At the press conference, Long Jiang said that the major scientific and technological achievements released today are the core technologies and products that Yunnan Metallurgical Group has achieved most in its scientific and technological achievements in recent years. The development of these core technologies and products has also been Get key support from provincial science and technology plans. He said that in the future, Yunnan's scientific and technological work will continue to focus on the development of high-tech industries, the application of high-tech transformation and upgrading of traditional industries, and the cultivation and development of strategic emerging industries. In the field of new metallurgy materials, new materials such as non-ferrous metals, black metals and precious metals will continue to be used. As a key area of ​​support for development, the development of advanced technologies and major products with advanced features in copper, aluminum, lead, zinc, tin, antimony, indium, titanium, silicon, manganese, and platinum group metals as a new material The direction of the industry.

Tian Yong said in his speech that technological innovation is an engine that emphasizes the transformation and upgrading of industries and their sustainable development. Through years of efforts, Yunnan Metallurgical Group has achieved fruitful results by relying on scientific and technological progress to promote industrial development. The overall equipment technology and production technology have reached the leading level in the industry. With a number of core technologies with independent intellectual property rights, Yunnan Metallurgical Group has become the origin of new technologies and products. Leading the direction of industrial upgrading, structural optimization, green environmental protection, and sustainable development. In the past ten years, the group has obtained 105 projects of scientific research projects above the provincial level, including 14 at the national level; 99 science and technology awards above the provincial level, including 3 national scientific and technological progress second prizes, and the first prize of China Nonferrous Metals Industry Science and Technology Award. 11 Items; accumulatively applied for 886 patents, 592 patents were granted, of which 154 were invention patents and 2 were US patents. He believes that the achievement of these achievements is a true portrayal of the Yunnan Metallurgical Group's adherence to the heavy chemical industry and its persistence in science and technology. It also embodies the sweat and wisdom of the metallurgists and reflects the responsibility and responsibility of the metallurgists. He emphasized that the four new technologies and new products released this time are not only the first time that the achievements of scientific and technological innovation in the history of Yunnan Metallurgical Group have been unveiled in the form of press releases, but also the inspection of the innovation and development of Yunnan Metallurgical Group by all parties, and it is also Yunnan Metallurgy. A new starting point for the Group’s product structure optimization and industrial upgrading. He said that Yunnan Metallurgical Group is willing to join hands with friends from all walks of life to make its own actions and efforts to build an innovative Yunnan, create an "upgraded version" of Yunnan's economic development, and promote the sustainable development of the industry.