On May 10, Dongxu Optoelectronics announced that the company had acquired a 51% stake in Minghao Technology through a capital increase of more than RMB 57 million and a capital contribution of RMB 23 million, and successfully controlled the high power of the graphene cooling technology. LED lighting equipment and lighting integrated solution provider.
"This is a breakthrough in the company's acquisition of Shanghai carbon source Huigu last year to successfully deploy graphene in the industrial application of lithium-ion batteries." Deputy General Manager of Dongxu Optoelectronics, responsible for graphene industry Wang Zhonghui said.
According to public information, Minghao Technology is a high-tech enterprise specializing in providing high-power LED lighting equipment and lighting integrated solutions, and graphene composite materials in other fields, with reversible liquid crystal phase change RLCP type graphene composite material as the core technology. .
“The graphene-based reversible liquid crystal phase change material (RLCP) technology mastered by Mingsheng Technology has significant advantages in the field of heat dissipation, and the technical threshold is relatively high. Currently, there is no similar technology in the market.†Founder of Minghao Technology Dr. Chen Wei said that the technology comes from the team of Professor Qian Xinming, the national key laboratory of explosion science and technology at Beijing Institute of Technology.
For Dongxu Optoelectronics, the acquisition of Alum Technology is a two-pronged approach. While accelerating the industrialization of graphene, it has also set its sights on the LED lighting market with a scale of over 100 billion yuan.
If the “Alkenwang†graphene-based lithium-ion battery launched in 2016 opens the door to the industrialization of Dongxu’s graphene, then the acquisition of Minghao Technology will become the starting point for the performance of Dongxu’s graphene industry.
According to the performance commitments given by the original shareholders of Minghao Technology, the net profit after tax of Minghao Technology in 2017, 2018 and 2019 will be no less than RMB 10.5 million, RMB 20 million and RMB 40 million respectively.
Analysts believe that Alum Technology's high-power LED lighting products based on graphene have been applied in batches, and the maturity of a series of graphene terminal products such as graphene-based lithium-ion batteries and graphene electrothermal films in the previous stage, Dongxu Optoelectronics Co., Ltd. The graphene industrialization process will be greatly accelerated, and it is expected that the performance will soon erupt.
“After the completion of the acquisition of Minghao Technology, we will release the graphene LED lamp and gradually introduce the graphene application products such as graphene LED lamps and graphene-based lithium-ion batteries and RLCP superconducting refrigeration for battery packs. Liquid technology is introduced into new energy vehicles, and the integration and docking of these products and technologies with the company's new energy automobile industry is completed to achieve coordinated industrial development," Wang Zhonghui said.
Ye Guoguang, a person in the LED industry, said that after graphene and LED, six years ago, when graphene won the Nobel Prize, many people who do LEDs want to use graphene in the field of LED chips and heat dissipation and write many patents. Its excellent thermal and electrical conductivity, and of course its high transparent transmittance properties, so I have seen a lot of LED patents on graphene are transparent conductive layer and heat dissipation technology.
Graphene may be a very good thermal conductive material, but it is very wasteful to use LEDs with current technology and cost. It is also wasteful on the transparent conductive layer of the chip, unless there is a breakthrough in production technology, which makes graphene coating cost. Reduced to be similar to ITO, so it may not be possible to replace the current process because of its excellent characteristics. The same applies to LED heat sink materials.
Cheng Qunfeng, a professor at Beijing University of Aeronautics and Astronautics, said that the excellent performance of single-layer graphene can only be reflected in the laboratory. When graphene can be mass-produced and commercialized at low cost and mass production, it still cannot be seen. To the direction.
A few years ago, the price of graphene was as high as 5,000 yuan per gram, far exceeding the price of gold. In recent years, some companies have claimed to achieve mass production, and graphene prices have even dropped to 3 to 5 yuan per gram. It is now claimed that the graphene that has been mass-produced is not a true single-layer graphene, and most of the graphene products with higher lattice defects and multi-layer stacking can only maintain the characteristics of graphene.
For the application of graphene, we can see two directions at present. The first one is the high-precision technology products required for military aerospace, etc., but such products often do not need mass production, and it is difficult to form large-scale commercial applications; secondly, such as Auxiliary materials in some low-end products such as tires, but often added graphene products, not true graphene.
Zhu Hongwei, a professor at the School of Materials Science and Technology at Tsinghua University, also believes that the application of graphene in high-end products is still a worldwide problem. "The original materials such as silicon and plastics have been applied for hundreds of years. Graphene has only been in existence for only 10 years. The mature preparation technology is still very long. Now some companies want to make profits through the commercial use of graphene, I think it is impossible in the short term."
“Before many domestic research institutes studied carbon nanotubes, but after more than 20 years, they have not achieved commercial breakthroughs. The commercial application of graphene should also be psychologically prepared, and the real single-layer graphene subversive commercial production application, After five years, ten years or even longer, there is a possibility of realization." Cheng Qunfeng said.
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