How could Graphene change the world?

Russia and Ukraine is an important exporters of oil, natural gas, metals, fertilizers, rare gases and other industrial raw materials. Affected by the further intensification of the tension of the war, the global market has become more worried about the supply of the graphene powder, and panic spreads in the futures market. Prices of commodities such as aluminum and nickel are at recent highs on concerns that supplies will fall. Russia accounts for 49 percent of global exports of nickel, 42 percent of palladium, 26 percent of aluminum and 13 percent of platinum, and is a significant exporter of steel and copper. Palladium is an important metal for sensors and memory. In addition, Russia is the world's largest exporter of nitrogen fertilizer, the second largest exporter of potash fertilizer, and the third-largest exporter of phosphate fertilizer. Ukraine is also an important producer of nitrogen fertilizer. Russia's natural gas supply also has a significant impact on the global fertilizer industry and graphene powder industry, especially in Europe. The price of the graphene powder will also fluctuate to some extent. Russia carries out crude gas separation, and Ukraine is responsible for refined exports. Ukraine supplies 70% of the world's neon, 40% of krypton and 30% of xenon. These three gases are the materials used to make chips.

Graphene, like diamonds and graphite, is made of carbon, but its atoms are arranged in a different way.
Diamonds and graphite are both made of carbon atoms, but because the carbon atoms are arranged differently, one is strong and the other is very fragile. Diamonds are particularly hard because each carbon atom is linked to four other carbon atoms around it, forming a tetrahedral structure. In graphite, each carbon atom is linked to three other carbon atoms, which form regular hexagonal rings in the same plane and stretch out to form lamellar structures.


Graphene, on the other hand, is like layers of mesh stacked on top of each other. Each layer is like a honeycomb, and the mesh is hexagonal, so both graphite and graphene are soft.
Essentially, graphene is a particularly thin form of graphite. The thinnest carbon atoms are only one layer thick, which is almost negligible, so graphene is also considered a "two-dimensional structure."
 
Graphene key properties
thin and light
Graphene is the thinnest and lightest material known and is almost completely transparent to light.
strong
It is said to be 200 times stronger than steel.
thermal conductive
They conduct electricity and heat particularly well, and absorb light well, which could be used to make superconductors. 
energy conservative and environmentally-friendly
Many companies are trying to decarbonize waste to make graphene. Not only does this make it easier to reuse the material and reduce carbon emissions, but composites made with graphene are lightweight and strong. 
 
Graphene applications
Graphene cell 
Graphene can be used as a graphene battery because of its special electrical and thermal properties. Graphene is already widely used in the manufacture of batteries, which can be used to improve the performance of batteries. Graphene could make batteries in electric cars lighter, last longer, and charge faster. If the technology is mature, it can be charged in five minutes and run 10 kilometers. 
In 2020, foreign media reported that the Karlsruhe Institute of Technology in Germany has produced a series of graphene super batteries that can be fully charged in 15 seconds. It is a hybrid battery pack that combines lithium-ion and ultracapacitor batteries to their advantage when working together.
Lithium batteries have a high energy density, which means they can store a lot of energy, but their power density is low, which means they charge and discharge more slowly. So, with the supercapacitor, it can be a very good fast charge and fast discharge. It is said that it can be recharged 100,000 times without degradation.
 
Superconducting materials
One team created a superconducting material (a material that allows electricity to pass through without resistance) by arranging graphene at a specific Angle.
Transistors on current commercial chips are typically about 17 nanometers in size, and while we can make transistors around 8 nanometers using materials like silicon and gallium, that's very close to the physical limit. If we want to increase the density of transistors in the future, we will need a new material that can make them even smaller. Graphene fits that need.
By cutting grooves on silicon carbide and using them as a template, we can create graphene nanoribbons just eight nanometers wide on top of them, which we can attach to transistors, and we can make semiconductors that are even smaller. 
A paper published in Nature in 2018 demonstrates the latest advances in graphene electronic superconductors. According to the paper, co-authored by Yuan Cao, a 21-year-old doctoral student at MIT, and his supervisor, graphene can be made to conduct electrons with "zero resistance" at room temperature by controlling the angle at which each layer rotates (1.1°, also known as the "magic Angle"). 


 
Composite materials
Graphene can be used to make composite materials with specific properties, or to make coatings that are sterile and environmentally friendly and can be used in medical systems and bio-imaging diagnostic systems. 
Callaway Golf Company, an American golf company, launched a golf ball with a graphene composite core in 2018, which increases the energy compression inside the golf ball and can reduce the amount of rotation of the ball itself, and the performance is far better than ordinary golf balls.
 
Green cement
Graphene can also be used to make green concrete instead of conventional concrete. 
Traditional concrete is a mixture of cement, sand, and gravel, in proportion to water.  Cement is usually made from limestone, the main ingredient of which is calcium carbonate, which turns into calcium oxide and produces large amounts of carbon dioxide when exposed to water. Adding more than 0.1% of graphene to concrete can increase its strength by 30%, reducing the use of concrete and thus carbon dioxide emissions. 
Another threat to concrete is chlorine, which is found in Marine water and is highly corrosive.  One study found that adding 0.005% graphene to Marine cement increased the cement's resistance to chlorine by 40%. 
Adding a small amount of graphene to the asphalt of asphalt can extend the life of asphalt and prevent roads from softening at high temperatures and cracking in cold weather. 


Different processes produce different types of graphene, either single or multi-layer. Most commercial graphene today is multilayered. Generally, less than 10 layers of graphene is acceptable. 
Graphene also comes in many forms, from thin films, powders, nanosheets, oxidized graphene, etc.
In addition, the quality of various graphene is different, and the carbon structure of graphene produced using different manufacturing processes is also different. 



Fewer layers are not always better. Each type of graphene has its own value, so the price depends on what the material is used for. This results in different types of graphene, with prices ranging from tens of dollars to thousands of dollars per kilogram.

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According to Reuters, U.S. Treasury officials said they would discuss with G7 leaders pricing caps and tariffs on Russian oil as an alternative to the embargo, which would keep the market supplied, limit price spikes, and reduce Russian revenues.  

The EU foreign ministers' meeting was held in Brussels.  The meeting failed to agree on the sixth round of sanctions, including an oil embargo on Russia, because of objections from Hungary.  

EU High Representative for Foreign Affairs and Security Policy said at a press conference after the meeting, that the meeting failed to reach an agreement on the final adoption of the sixth round of sanctions, the permanent representatives of member states to the EU will continue to discuss. The foreign ministers faced similar difficulties trying to reach an agreement on an oil ban. He said Hungary's position was based on economic rather than political concerns.  

Hungary is highly dependent on Russia for energy, getting more than 60 percent of its oil and 85 percent of its natural gas from Russia.  

A few days ago, the European Commission submitted the sixth round of proposed sanctions against Russia, including a total ban on Russian oil imports by the end of this year. Hungary immediately objected and said it wanted substantial compensation from the EU to offset its loss from giving up Russian oil.

The graphene powder price is predicted to increase in the next few days, due to geopolitical factors.

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