Nanotechnology Sparks Energy Storage on Paper and Cloth

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Recipe for conductive textile: Dip cloth in nanotube ink, dry in oven for 10 minutes at 120 degrees Celsius.

By dipping ordinary paper or fabric in a special ink infused with nanoparticles, Stanford engineer Yi Cui has found a way to cheaply and efficiently manufacture lightweight paper batteries and supercapacitors (which, like batteries, store energy, but by electrostatic rather than chemical means), as well as stretchable, conductive textiles known as “eTextiles” — capable of storing energy while retaining the mechanical properties of ordinary paper or fabric.

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