英国、韩国的研究人员还在致力开发基于氧化石墨烯的可弯曲、透明的存储系统。基于石墨烯的新型存储材料成本低、功耗小、重量轻、体积小、存储密度高，可以三维堆积。例如，英国开发的这款石墨烯二氧化钛存储只有50 纳米长、8 纳米厚，写入和读取速度仅需5 纳秒。随着基于石墨烯的触屏、内存等电子器件不断开发，未来可弯曲、全透明的智能手机将成为现实。
Graphene as carbon nano materials the forefront of scientific and technological innovation in the field, with its special crystal structure performance has attracted wide attention and research of the scientific community, was found so far the thinnest two-dimensional material, is believed to be construction of graphite, the fullerenes and carbon nanotubes and graphite, the basic structural unit with excellent thermal properties, mechanical properties, high electron mobility, high specific surface area and nature of the quantum hall effect, etc. Due to its excellent thermal conductivity and mechanical properties, graphene has many potential applications in sensors, polymer nanocomposites, photoelectric functional materials, drug controlled release and other fields. Led the 21st century new technological revolution.
Look forward to a breakthrough in five areas
The consensus is that graphene will be used in five areas in the future. First, in the field of photoelectric products, it plays a role in touch screens, wearable devices, OLED, solar energy and other fields due to its excellent light transmittance, electrical conductivity and bendability. This is also currently recognized as the most likely first to commercialize the field. The other is the field of energy technology, which mainly relies on the extremely high specific surface area, extremely light weight and very good electrical conductivity of graphene. Supercapacitors made of graphene, which have a maximum energy storage density of about 2-5 times that of existing materials, have been described as the ideal electrode material. Third, functional composites. By adding graphene into various plastic substrates, special materials with good conductivity, heat conduction, machinability and damage resistance can be prepared, which have potential applications in integrated circuits, heat sink and high-toughness containers. The fourth is microelectronic devices. The future of graphene semiconductors, graphene integrated circuits, THz devices and other fields may need to take advantage of the unique properties of graphene to play. Fifth, in the field of biomedicine and sensors, the response ability of graphene to a single molecule and the molecular transport ability after carrying antibodies are all unrealized by other sensors.
The application of graphene fiber and the application of graphene heating film are specifically sorted out in the website of docyterene, which will not be detailed here.
So, apart from these two, what are the other applications of graphene?
1. Application of graphene -- graphene battery
In the production of batteries, graphene can be directly used as a positive and negative material, or added to the positive and negative materials as a conductive additive, and as a coating to improve the battery power characteristics. The problem of charging and driving range has been plaguing new energy vehicles because of the "bottleneck" in the development of lead-acid batteries and traditional lithium batteries. Graphene batteries are expected to make a breakthrough here. At the recent Shanghai auto show, a car company launched a new type of graphene lithium titanate battery, which can be quickly recharged in 10 to 15 minutes, and can be charged and discharged more than 40,000 times in a sustainable way, with a range of more than 1,000 kilometers.
2. Application of graphene -- graphene integrated circuit
With its ultra-high electron transfer capacity and excellent thermal conductivity, graphene is expected to replace the widely used silicon as the foundation of the next generation of integrated circuits. In 2010, a U.S. research team made the first graphene-based transistor and integrated it into a single integrated circuit. In 2016, Chinese scientists developed the first low-noise amplifier monolithic integrated circuit.
3. Application of graphene -- graphene touch screen
The key component of a smartphone is a touch screen that is both conductive and very transparent. Graphene's flexibility, electrical conductivity and optical transparency fully meet this requirement, which is more perfect than the current transparent electrode material indium tin oxide (ITO). Researchers in South Korea have created transparent, bendable displays made of layers of graphene and a polyester substrate. In this way, graphene-based solar cells, touch sensors, flat-panel displays, organic light-emitting diodes and others can also be made.
4. Application of graphene -- graphene memory
Researchers in the UK and South Korea are also working on flexible, transparent storage systems based on go. The new graphene-based storage materials have low cost, low power consumption, light weight, small size, high storage density and can be stacked in three dimensions. For example, the british-developed graphene titanium dioxide store is only 50 nanometers long and 8 nanometers thick, and can be written and read in just 5 nanoseconds. With the development of graphene-based touch screens, memory and other electronic devices, flexible and fully transparent smartphones of the future will become a reality.
5. Application of graphene -- graphene super material
The us researchers turned the soft graphite into a strong 'steel bar' by turning a single layer of two-dimensional graphene into a three-dimensional graphene foam-like material, which is then reinforced with strong mechanical properties and high electrical conductivity of carbon nanotubes to make 'reinforced graphene'. Chinese researchers have used tiny tubes of graphene to form a foam material with a honeycomb structure. It is as light as a balloon but as strong as metal.