Graphene is a material that, in its purest form, is stronger than steel and conducts electricity better than copper.

The problem is that it is difficult to mass-produce high-quality graphene, but now researchers at Rice University have found a method that can increase production thousandfold.

And the raw material can be anything from old car tires to coffee grounds.

Today's manufacturing methods yield no more than one or a few grams of graphene per day, but the researchers expect their method to be able to generate one kilogram of graphene every day. It is a type of graph called a turbostratic graph.

This kind of graphene is very well suited for mixing with other materials and thus improving their properties.

For example, by mixing as little as 0.5 percent graphene in the cement contained in concrete, it is possible to increase the compressive strength by 25 percent and reduce the environmental impact of cement production by one third.

As cement production accounts for eight percent of humanity's carbon dioxide emissions, this could have a major impact on our climate impact.

An additional advantage of the new method is that it can use anything containing carbon as raw material. This means we can take food waste, plastic bags, wood chips, old car tires and more and transform it into a material that can improve concrete, asphalt, fabrics, plastics and much more. So waste materials that have been deposited can instead be reused and become a super material.

By Kent Olofsson

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