期刊
APPLIED PHYSICS LETTERS
卷 109, 期 8, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4961493
关键词
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资金
- National Natural Science Foundation of China [51475484, 61574009]
- CAEP Fundamental Research Fund [2014B0203032]
- Beijing Natural Science Foundation [4162016]
Through applying the liquid metal and elastomer as the core and shell materials, respectively, a coaxial printing method is being developed in this work for preparing a stretchable and conductive cable. When liquid metal alloy eutectic Gallium-Indium is embedded into the elastomer matrix under optimized control, the cable demonstrates well-posed extreme mechanic performance, under stretching for more than 350%. Under developed compression test, the fabricated cable also demonstrates the ability for recovering original properties due to the high flowability of the liquid metal and super elasticity of the elastomeric shell. The written cable presents high cycling reliability regarding its stretchability and conductivity, two properties which can be clearly predicted in theoretical calculation. This work can be further investigated as a strain sensor for monitoring motion status including frequency and amplitude of a curved object, with extensive applications in wearable devices, soft robots, electronic skins, and wireless communication. Published by AIP Publishing.
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