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Diamond From Atmospheric Air: CO2 into Value Products

Licht calls his method as the "diamond" from the atmospheric air. This not only shows that carbon can be used in the preparation of diamond, but can also be used for the preparation of the high value products.

From: www.iabrasive.comDate: 2015-10-21 08:57:29Views: 512

Looking for a kind of technology that can make greenhouse gas carbon dioxide transformed into valuable commodities has always been a distant dream for many people. But now a team of chemists say that they have successfully developed a kind of conversion technology with low cost, which can make CO2 directly transformed into high value of carbon nanotubes, as the industrial and civil products. In the 250th session of the American Chemical Society (ACS) national conference and exhibition, a chemist team will show the new technology of CO2 capture and use.

"We have found a method that can use CO2 from the atmosphere to produce high carbon nanofibers ", Dr. Stuart Licht says. He leads the team at George Washington University. "This kind of nanofibers can be used to produce super carbon composite material, and can be used for the Boeing dreamliner, high-end sports equipments, wind turbine blades and other most products."

The research team once reported that they can produce fertilizer and cement under the condition of the absence of CO2. Today, the team shows that they can make CO2 from a global warming problem into a hot raw materials of carbon nanofibers.

Licht calls his method as the "diamond" from the atmospheric air. This not only shows that carbon can be used in the preparation of diamond, but can also be used for the preparation of the high value products, such as preparation of carbon nanofibersby using atmospheric carbon and oxygen.

The synthetic method has high efficiency and low energy consumption. It only takes a few volts power, sunshine and a large number of CO2. In essence, this is electrolytic synthesis of carbon nanofibers. The concentrating solar power hybrid system can produce heat and electricity, which provides energy for synthetic process of carbon nanotubes.

At present, the synthesis system is experimental and the biggest challenge is to improve the synthetic process for the experience of uniform size of nanometer fiber. "We are rapidly expanding scale," Lich added, "and soon we will be able to generate tens of grams of nanometer fiber per hour." 

Licht said they have made a new progress that can further reduce the energy consumption of carbon fiber composite. He explains that the recent synthesis technology can make carbon nanofibers can grow in the environment under 750 and below 1V, which is far lower than 1000 degrees of industrial aluminum and 3-5V voltage condition.

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