KELAIWEI specializes in the preparation technology of nanomaterials for more than 20 years. In the past 20 years, Professor Sun Xiaogang's technical research and development team of Nanchang University has continuously output technical achievements. Now KELAIWEI company has helped enterprises in more than 60 countries around the world to solve the required nanomaterials products. The manufacturing equipment and technology of whisker carbon nanotubes researched and developed by our company by ourselves have the dominant advantage of technology at home and abroad. Our company has applied for 106 patents including 9 national authorized invention patents and 2 international PCT patents.
Synthesis of carbon nanotubes by hydrothermal method. Put the acidic solution of sucrose (according to the ratio of 1 to 19, and mix it with h2so4-sucrose solution) into the reaction kettle, and cool it to the indoor temperature after the reaction of 180 degrees high temperature within 12 hours, after centrifugal separation, ionized water is removed, and after washing and drying, carbon nanotubes of 1 nanometer to 2 nanometer length can be obtained.
Henan KELAIWEI Nano Carbon Material Co., Ltd. has always maintained close technical cooperation with first-class domestic universities and scientific research institutions such as Zhengzhou University of Light Industry, Donghua University and Nanchang University. The high-end nanomaterials products developed by KELAIWEI company have broad application scenarios in high-end lithium ion energy storage battery manufacturing at home and abroad, electrothermal converter preparation, high-end nanomaterials and other industries.
Professor Sun Xiaogang, chief technical expert of KELAIWEI Nano Carbon Material Co., Ltd., led colleagues in the technical center of KELAIWEI company to achieve fruitful technological research and development success again. Up to now, the technical staff of KELAIWEI company have published more than one hundred papers on research results, published (participated in the compilation) The English industry focuses on four papers, applied for more than 60 patents, and obtained 9 national patent authorizations, and obtained two international PCT patent technologies.
The negative electrode material of lithium ion battery needs high magnification. At present, conductive graphite is usually mixed with conductive graphite. Conductive graphite belongs to large-scale conductive agent, which is not easy to realize high conductivity in low additive amount. In the manufacturing process of graphite negative electrode, with the addition of whisker carbon nanotubes, because the crystallization of whisker carbon nanotubes is generally above 70%, it has a certain lithium-embedded capacity, which can ensure a higher use ratio under the condition that the capacity is not lost, at present, KELAIWEI cooperates with X company in developing high-rate negative pole, increasing the rate and capacity of negative pole and the conductivity of multi-walled carbon nanotubes.
The electrical conductivity of multi-walled carbon nanotubes. A northern automobile manufacturer has developed a matching electric steering wheel for its new model, which requires far infrared paper products. The far infrared paper produced by KELAIWEI company has strong flexibility, strong acid and alkali resistance and water resistance. More importantly, the electrothermal conversion efficiency of far infrared paper produced by KELAIWEI company is as high as over 99.95%. The customers are very satisfied and have established long-term cooperative relationship with our company.
Henan KELAIWEI Nano Carbon Material Co., Ltd found that whisker carbon nanotubes were used to make CNT transparent conductive film for their excellent conductivity. CNT transparent conductive film made of whisker carbon nanotubes has stable chemical performance and excellent conductive characteristics, moreover, it has both thermal conductivity and very good mechanical properties (the hardness of whisker carbon nanotubes is 100 times that of steel).
