Three major problems of global graphene development and industrialization
Three major problems of global graphene development and industrialization
Commercial custom, graphene, demand for fast heating products. The annual report believes that graphene supplier is expected to cooperate with downstream applications, to develop customized applications graphene, customized graphene products shipped scale will grow rapidly. Graphene supplier specialization has become mainstream. "Annual report" analysis, the preparation of graphene small scale enterprises, the application of industry products varies greatly, the graphene product requirements are different, the corresponding graphene production line, R & D capability will be adjusted. As graphene manufacturers and downstream application manufacturers increasingly close cooperation, focusing on one or several graphene application vendors, production, research and development will be more specialized, forming a monopoly advantage. More graphene industry standards will be introduced. The annual report shows that China has introduced a number of graphene local and industry standards, but there is still a lack of an industry recognized, authoritative national standards, and even what products belong to graphene are controversial. According to forecasts, in 2017, China will formally introduce the national standard graphene. North America, Europe will further clarify the graphene industry standards, will play a positive role in promoting the development of graphene market. Graphene will be a breakthrough in the field of energy storage. Experts judge, five years of real graphene battery research and development is difficult to achieve a breakthrough, but some energy storage areas have achieved initial application: graphene to do heat radiation materials lithium-ion battery has achieved technological breakthroughs. At the same time, graphene added materials, supercapacitors and solar cell products will also be available. Graphene in the central processing unit and chip and other core electronic components research and development will have huge market prospects. According to the annual report, graphene is gaining popularity in electronic applications. Among them, graphene conductive inks and based on RFID graphene (RFID) has emerged in the consumer electronics and other electronic products market; application of many IT giants focus of graphene on the central processor and chip, the future graphene electromagnetic interference shielding and electrostatic protection components based on the technology will become increasingly mature. Graphene anti-corrosion coatings will lead the development of other graphene composites. "Annual report" analysis, graphene anti-corrosion coating has been shipped in bulk. With the decline in graphene prices, graphene coating will penetrate the mid market coating, will lead the development of other graphene composites. A preliminary breakthrough has been made in the application of graphene reinforced fibers to sporting goods and fast - moving goods. At the same time, experts at home and abroad are also actively research and development of graphene building materials, graphene, automotive structural materials. At the same time, "annual report" also shows that the graphene products in the stage of laboratory research, the industrialization process is relatively slow, the real industry needs at least 5 to 10 years, the global graphene industry needs to solve three major difficulties. "Annual report" pointed out that to make graphene explosion products need to solve three key technical problems: graphene macro controlled preparation technology, the large scale preparation of graphene to ensure that the quality is stable and controllable; graphene dispersion technology, namely how to maintain a stable graphene dispersed state; functionalized graphene technology, namely according to different applications, change the structure properties of graphene, achieve controllable conductivity characteristics of graphene materials. Analysis of the annual report, the main difficulties are: how to mass preparation of large area, good stability, high quality, low cost, process green graphene. Many properties of graphene are based on its monolayer structure, but it is difficult to obtain a single layer of graphene with an atomic thickness. The industry generally believes that more than 10 layers do not have the excellent characteristics of graphene material. The annual report believes that how to allow graphene to peel off thinner, how to protect the purity of graphene products, to minimize the free metals, ash and impurities, is still two technical problems. According to the annual report, graphene prepared by mechanical stripping seems simple and high quality graphene can be obtained, but graphene can only be produced by luck and difficult to achieve mass production. Most chemical methods of preparation of graphene, not pure graphene, in fact, the quality of multi layer graphite accumulation, product quality can not be guaranteed. The preparation of graphene films by chemical vapor deposition has high cost and low yield. It is difficult to realize batch production due to the size of the cavity of CVD devices. At the same time, the preparation of graphene by chemical method will produce waste liquid and chemicals, and there are some environmental risks.
