KAIST researchers advance graphene fiber technology for thermal management applications
A team at KAIST published a commentary in Nature Materials describing recent advances in high-performance graphene fibers derived from graphene oxide liquid crystals.
Graphene oxide enables water dispersibility
Pure graphene conducts heat and electricity well but disperses poorly in water. Adding oxygen functional groups allows the material to mix readily with water. This property makes it easier to formulate into inks or spin into fibers.
Liquid crystalline state discovered in 2011
Professor Sang Ouk Kim's team first reported that graphene oxide forms a liquid-crystalline state above a certain concentration. In this state, thin sheets align in a common direction when dispersed in water. Fifteen years of research since then has built on this foundation.
New fibers target aerospace and sportswear
Technologies developed from these materials now support thermal management needs beyond consumer goods. Applications include functional sportswear and components for the aerospace industry. The research highlights the scientific significance of these high-performance graphene fibers.
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