It is reported that in the "Guiding Opinions on Promoting the Healthy Development of New Materials Industry" formulated by the Ministry of Industry and Information Technology, graphene and other products will be identified as one of the key new materials fields, and policy warm air is frequently blown to the industry. From the current point of view, the rapid industrialization of graphene includes lithium ion battery conductive additives, functional coatings, touch screens, etc., but with the rapid development of the industry and technological advances, graphene is opening new uses for materials, efficient DNA sequencing and flashing. The charging container has become a new application direction.
Policy warm wind blowing
Graphene is currently the thinnest and hardest nano material, and has good light transmittance, high thermal conductivity, high electron mobility, low electrical resistivity, high mechanical strength and many other common materials. The currently known application values ​​are mainly reflected in five areas: energy storage technology, flexible displays, high-precision sensors, fast thermal conduction conductive technology and barrier infiltration technology. With the advancement of technology, graphene materials and industrial revolution have been on the eve of breakthrough.
Since 2007, the National Natural Science Foundation of China has increased the number of graphene projects supported from one to 334 in 2012. The cumulative funding for 2007-2012 has reached 340.95 million yuan. The Ministry of Science and Technology and the Chinese Academy of Sciences have cumulative funding for graphene. The funds also reached 59.15 million yuan and 46.05 million yuan respectively.
In 2009-2012, the number of global graphene papers and patent applications exploded, with the number of papers and patents in 2009 increasing by 1031% and 173%, respectively. In 2009-2012, the number of papers has maintained an annual growth rate of more than 45%, and the number of patents has maintained a growth rate of more than 70%. Among them, China's graphene research and development level reached 6,308 and 1,471 patents in 2012, both of which ranked first in the world. As of the end of 2012, the top 10 patent applicants in the global graphene field are mostly Asian research institutes and companies. Samsung topped the list with 180. The Chinese Academy of Sciences and the South Korean Sungyeong Pavilion ranked second and third respectively with 144 and 80 pieces respectively.
It is reported that in the "Guiding Opinions on Promoting the Healthy Development of New Materials Industry" formulated by the Ministry of Industry and Information Technology, graphene and other products will be identified as one of the key new materials. The industry believes that the industrialization of graphene is difficult. There are both technical reasons and business models that are not innovatively adapted to the development of the industry. The competent authorities are in need of policy support. The formulation and introduction of the guidance of the Ministry of Industry and Information Technology will clear the obstacles for the healthy development of the graphene industry.
New use of graphene opening materials
From the current point of view, the rapid industrialization of graphene includes lithium ion battery conductive additives, functional coatings, touch screens, etc., but with the rapid development of the industry and technological advances, graphene is opening new uses for materials.
Recently, the Qingdao Energy Storage Industry Technology Research Institute, built by the Qingdao Institute of Bioenergy and Process Research of the Chinese Academy of Sciences, has developed a capacity-controlled lithium-ion capacitor device using a graphene-based composite electrode material route. Lithium-ion capacitors prepared from graphene-based composite materials were first demonstrated in electric bicycles. According to reports, within 1-2 km of intercity rail, the new capacitor can meet the short-distance operation and achieve fast charging when passengers get on and off the bus. At start-up, it can be instantaneously accelerated, and energy can be recovered and stored during braking. High-power fast charge and discharge is one of the advantages of new capacitors.
In addition, a research paper published in the international magazine Nature Communications recently developed a new technology from the University of Melbourne that uses a special form of carbon for real-time high-throughput DNA sequencing. Technology or revolutionary advances in medical research and testing.
Researcher Dr. Jiri Cervenka said that graphene is a monoatomic hexagonal carbon with a shape similar to chicken claws that can help detect the four nucleic acid bases (A, T, C, G) that make up the DNA. The special combination of four bases constitutes a DNA sequence. Current DNA sequencing is a basic tool that can help scientists conduct medical diagnosis, forensic testing, and medical biology research.
Compared to traditional techniques, the use of graphene for DNA sequencing can improve the speed, throughput, reliability, and accuracy of sequencing; the researcher Dontschuk points out that each nucleobase will be in a distinctly different way. Affect the electronic structure of graphene. When graphene is combined with nanopores, a single DNA molecule can pass through a graphene-based electronic sensor, which enables the sequencing of a single DNA molecule in real time, high efficiency, and high throughput.
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