Increasing Graphene Production

 


Graphene is harder than a diamond. It is stronger than steel and is as flexible as rubber. Graphene is far lighter than aluminum. There are many amazing properties to graphene. Although it's been of huge interest to scientists and researchers, there is no cheap and sustainable manufacturing method for industrial use. 

Scientists from the University of Cordoba (UCO) have presented a study in a journal called the Chemical Engineering Journal. This prototype could represent a huge leap forward towards large scale manufacture of graphene. The new design has already been associated with a patent, and is based on a previous patent published by the team. It increases graphene production by 22%. This process maintains the high quality that graphene requires.

The process uses the fourth state of matter. Based on plasma technology, the graphene is created by using a partially ionized gas. In nature, there are numerous natural plasmas, like the Northern Lights and even lightening. The team artificially recreated this in a laboratory. 

The study's lead author is named Francisco Javier Morales. He highlights one of its great advances, "It is a highly energetic medium that is capable of breaking down organic molecules very easily." The team used a plasma torch to break down ethanol and rearrange the molecule's carbon atoms, creating graphene. This process is protected under the group's patent. The process's energy optimization has led to a great increase in graphene production.

Rocio Rincon is the team's main investigator. He explains that in the past, almost 43% of the energy supplies was dissipated and wasted. To avoid this loss, the team built a faraday cage around the device. Scientists found that graphene's production increased from 4.3 milligrams per minute and watt, to 5.2 milligrams.


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