US-based advanced materials and clean energy company Plastic 2 Green has produced nitrogen-doped graphene from waste plastic in a project at Colorado State University.
The company develops plasma-based technologies to convert all types of waste plastic into high-value products such as green ammonia, carbon black, and nitrogen-doped graphene using renewable energy.
In this context, doping is when impurities such as nitrogen are intentionally introduced into carbon-based materials like graphene, replacing carbon atoms. This alters the properties of the material, making it more conductive and improving catalytic activity, depending on the material and type of nitrogen used.
This could enhance performance in devices where graphene is used, such as fuel cells, lithium-sulphur batteries, and supercapacitors. It could also improve efficiency for oxygen reduction reactions.
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