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A breakthrough has been made in large-scale production of supercapacitor core electrode materials in China

(Summary description)The scientific and technological achievement appraisal meeting of "300 tons/year High Quality Organic System Super capacitor Activated Carbon Continuous Preparation Technology and Application" hosted

A breakthrough has been made in large-scale production of supercapacitor core electrode materials in China

(Summary description)The scientific and technological achievement appraisal meeting of "300 tons/year High Quality Organic System Super capacitor Activated Carbon Continuous Preparation Technology and Application" hosted

Information

Source: China Supercapacitor Industry Network

The scientific and technological achievement appraisal meeting of "300 tons/year High Quality Organic System Super capacitor Activated Carbon Continuous Preparation Technology and Application" hosted by China Electrotechnical Society and China Super Capacitor Industry Alliance was held in Beijing on December 2, 2018. Ministry of industry and electronic information foundation, China electrotechnical society, the relevant person in charge of China's super capacitor industry alliance etc, academy of military sciences chemical defense research institute, tsinghua university, Beijing university, zhejiang university, Chinese Academy of Sciences institute of electrical and related application enterprise units of the experts and scholars, guangxi beihai government representatives attended the assessments of scientific and technological achievements. The appraisal committee, chaired by Academician Yang Yusheng, agreed that the achievement filled the gap of high quality organic system super capacitor activated carbon in China and reached the international advanced level.

Pei Xiangjing, vice president and secretary general of China Electrotechnical Society, Gao Bo, secretary general of China Super Capacitor Industry Alliance and Zhang Yonglin, general manager of Beihai Star Carbon Material Technology Co., LTD., the achievement unit, made speeches at the meeting respectively.

As an efficient energy storage device, supercapacitors are widely used in the defense industry, rail transit, urban public transport, lifting potential energy recovery, power generation and smart grid, consumer electronics and other important fields and links. The high quality organic super capacitor activated carbon is the only active material to provide energy in the most widely used and sold double electric layer supercapacitor in the market at present, and is the most core material in supercapacitor. High energy density, high power density, long service life and other advantages can be brought into full play by meeting many harsh requirements such as large specific surface area, reasonable pore size distribution, high purity and high bulk density. The above high quality requirements make it a high threshold for technical research, and the requirements of product uniformity and low cost require the establishment of large and continuous production lines. Due to the double bottleneck of technology and scale, high-quality organic super capacitor activated carbon has been monopolized by Japan, South Korea and other companies for a long time, which has become a "bottleneck" project in the development of China's super capacitor industry.

Under the leadership of Chairman Zhang Yonglin, Guangxi Beihai Xingshi Carbon Material Technology Co., Ltd. takes asean high-quality coconut shell as raw material, after 10 years of exploration and research, developed a three-step method (pre-activation - activation - aperture adjustment) to prepare activated carbon technology with specific surface area of 1900㎡/g; Forming a unique step to remove impurities process, so that the oxygen content and iron impurity content are less than 20ppm; Based on the understanding that the characteristics of surface layer affect the conductivity, a new surface treatment technology was developed to realize the low resistivity twice as low as that of foreign products. At the same time, the largest activation equipment in the same technology has been developed to realize the recycling of process tail gas, and a continuous production line of 300 tons/year high quality organic system super capacitor activated carbon has been built, which is green and safe.

300 tons/year high quality organic system super capacitor continuous preparation technique and application of activated carbon, broke and replace the imported foreign technology monopoly, to fill the domestic blank, the overall technology has reached the international advanced level, is a great contribution to our key materials, super capacitor, will greatly promote the development of super capacitor industry in China.

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