Pourous liquid metal-elastomer composites
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It is known that liquid metal-elastomer composites are promising soft conductors for skin-interfaced bioelectronics, soft robots, and other applications due to their large stretchability, ultrasoftness, high electrical conductivity, and mechanical-electrical decoupling. There is, however, a high level of deformation-induced leakage, which can result in smears on the skin, poor performance of the device, and short circuits in the circuit. By using phase separation, we describe the synthesis of porous liquid metal-elastomer composites with high leakage resistance and antimicrobial properties. Furthermore, these composites exhibit high stretchability, tissue-like compliance, high electrical conductivity, high breathability, and compatibility with magnetic resonance imaging. As a result of damping effects, porous structures can minimize leakage and reduce liquid metal usage. In addition to monitoring cardiac electrical and mechanical activity, skin-interfaced bioelectronics can deliver electrical stimulation in a mechanically imperceptible and electrically stable manner.
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M.S.