May 05, 2024

Graphene research and development will break through the high-end industrial application will speed up

It is reported that the Advanced Materials Bioengineering Research Center (AMBER) of the Trinity College of Dublin University of Ireland recently mixed graphene and plasticine to develop elastic graphene plasticine (G-Putty), when graphene is injected into silicone polymer. After that, the plasticine is made conductive, and even under the slightest impact, the resistance is sharply increased, and the resistance returns to the original value after the static state, which makes the plastic mud sensitive to slight deformation.

Using this feature, the researchers installed the plasticine on the subject's chest or neck to detect respiratory rate, pulse, and blood pressure. Because its sensitivity is nearly a hundred times higher than that of ordinary sensors, the researchers say that the unique materials discovered this time will bring more possibilities for innovation in the sensor manufacturing industry, especially in the field of medical sensors. The research results have been published in the journal Science published last Friday.

The properties of graphene plasticine provide a broad space for development in the wearable medical device and medical sensor markets. Overseas market research companies believe that the global market for wearable medical devices will exceed $10 billion this year. Medgadget, the US medical technology information website, expects the global medical sensor market to grow at a compound annual growth rate of 7%.

In recent years, as technology has matured, the unique properties of graphene, such as conductivity, light absorption, flexibility and energy storage, have gradually expanded its application fields. In addition to being widely used in nanocomposites, technological breakthroughs have been made in applications in the fields of electronics, optics, energy storage and biology, and the demand for graphene will further increase in the future. At the same time, China's number of patent applications in the field of graphene ranks first in the world. At present, the research and development of graphene is mainly concentrated in Asia and North America. Among them, China is a major R&D country, and the number of priority patent applications accounts for about half of the world. It can be seen that China's emphasis on the field of graphene-related research, patent layout will help to enhance China's competitiveness in the international graphene market.

At present, graphene has been industrialized in the field of composite materials and touch screens. However, due to the high cost of research and development, the graphene products at this stage are still in the low-end application field. With the increase of relevant policies and the acceleration of industrialization, the industrial application of graphene will be transformed from the low end to the high end. This year's Ministry of Industry and Information Technology, the National Development and Reform Commission and other ministries and commissions jointly issued the "Guiding Opinions on Accelerating the Innovation and Development of New Materials Industry" pointed out that the development of cutting-edge materials, including graphene, additive manufacturing materials, smart materials, metamaterials and other basic research and technology accumulation. At present, many graphene enterprises have tried to transform high-end industrial applications. Beijing Carbon Century Technology Co., Ltd. has released the world's first graphene high-end industrial application "graphene surface wave detection technology". The advantage of this technology is its high sensitivity and response speed, leading in both science and technology. Level. The industry believes that the future development of graphene depends on downstream applications, and it will be crucial to maximize the use of graphene characteristics to develop cost-effective products. China Graphene Technology Innovation Alliance said in the 2016 global graphene industry research report that China's graphene application market will usher in an industrial outbreak period, and by 2020, it will form a scale of 100 billion yuan.

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