With continuous development of artificial intelligence technology, strain sensors have attracted widespread attention. In this work, a novel high-performance wearable strain sensor is prepared by using a kind of ultra-stretchable, super-hydrophobic and high-conductive composite. The preparation process is as follows, i.e., using common elastic band (EB) as the polymer matrix, nano carbon black (CB) and carbon nanotubes (CNTs) as mixed conductive filler, and then modified by polydimethylsiloxane (PDMS) to obtain the PDMS/(CB + CNTs)/EB composite for assembling assemble flexible wearable strain sensors. Experimental results reveal the following excellent properties: 1) The composite exhibits excellent mechanical properties and super-hydrophobicity, i.e., the tensile strength is up to 996.5%, and the elastic modulus and tensile strength increase 49.2% and 59.2%, compared with pristine EB; 2) The composite strain sensor exhibits high sensitivity (the gauge factor reaches up to 648.83 under strain range of 979.9–996.5%), and it still shows stable performance after 3000 cycles tests (100% strain); 3) It is a well candidate to be used for monitoring human body motions including large and subtle body movements; 4) The composite sensor also has advantages of easy access of raw materials, simple preparation, easy mass production and relatively low production cost, showing a broad application prospect in wearable electronic products.

随着人工智能技术的不断发展，应变传感器受到广泛关注。在这项工作中，使用一种超可拉伸、超疏水和高导电的复合材料制备了一种新型的高性能可穿戴应变传感器。制备过程如下，即以普通弹性带（EB）为聚合物基体，纳米炭黑（CB）和碳纳米管（CNTs）为混合导电填料，再经聚二甲基硅氧烷（PDMS）改性得到PDMS。 /(CB + CNTs)/EB 复合材料用于组装组装柔性可穿戴应变传感器。实验结果表明：1）复合材料具有优异的力学性能和超疏水性，即拉伸强度高达996.5%，弹性模量和拉伸强度提高了49。2% 和 59.2%，与原始 EB 相比；2）复合应变传感器灵敏度高（应变范围为979.9-996.5%，应变系数高达648.83），经过3000次循环试验（100%应变）仍表现出稳定的性能；3) 非常适合用于监测人体运动，包括大而细微的身体运动；4）复合传感器还具有原材料易得、制备简单、易于量产、生产成本相对较低等优点，在可穿戴电子产品中显示出广阔的应用前景。3) 非常适合用于监测人体运动，包括大而细微的身体运动；4）复合传感器还具有原材料易得、制备简单、易于量产、生产成本相对较低等优点，在可穿戴电子产品中显示出广阔的应用前景。3) 非常适合用于监测人体运动，包括大而细微的身体运动；4）复合传感器还具有原材料易得、制备简单、易于量产、生产成本相对较低等优点，在可穿戴电子产品中显示出广阔的应用前景。