High-performance stretchable conductive adhesives based on silver flakes and multi-walled carbon nanotubes in elastomer.
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Stretchable conductive adhesives have received considerable attention for applications in wearables, healthcare, and robotics. Here, we report a stretchable conductive adhesives consisting of silver flakes with multi-walled carbon nanotubes as an auxiliary filler in Silicone rubber. The conductive adhesives with 70 wt% silver flakes show the resistivity as low as ~ 10-5 Ω·cm. The introduction of carbon nanotubes into the silver/silicone adhesives help to decrease the electrical resistivity. Furthermore, the carbon nanotubes decrease the amount of silver flakes required for the desired electrical conductivity, which should help improve other physical properties such as viscosity and mechanical properties.