Wireless microengine made from a twisted polymer fibre -- K Trade Fair

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Wireless microengine made from a twisted fibre

A microfiber (diameter: 40 micrometers) made from poly(vinyl alcohol) releases stored rotational energy as it untwists in a stepwise manner. (Source: University of Bordeaux). Source: Université de Bordeaux

An important step towards many applications

The poly(vinyl alcohol) micro-fibres contain graphene oxide sheets. The nanosheets stiffen the fibres in the direction of movement and so enable an energy storage system with a higher weight-related energy density (schematic representation). Picture: HZG/Oliver Gould


Editor: Guido Deussing