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首页> 外文期刊>Advanced Materials >Carbon Nanotube Yarn for Fiber-Shaped Electrical Sensors, Actuators, and Energy Storage for Smart Systems
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Carbon Nanotube Yarn for Fiber-Shaped Electrical Sensors, Actuators, and Energy Storage for Smart Systems

机译：碳纳米管纱线，用于智能系统的纤维状电传感器，执行器和能量存储

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摘要

Smart systems are those that display autonomous or collaborative functionalities, and include the ability to sense multiple inputs, to respond with appropriate operations, and to control a given situation. In certain circumstances, it is also of great interest to retain flexible, stretchable, portable, wearable, and/or implantable attributes in smart electronic systems. Among the promising candidate smart materials, carbon nanotubes (CNTs) exhibit excellent electrical and mechanical properties, and structurally fabricated CNT-based fibers and yarns with coil and twist further introduce flexible and stretchable properties. A number of notable studies have demonstrated various functions of CNT yarns, including sensors, actuators, and energy storage. In particular, CNT yarns can operate as flexible electronic sensors and electrodes to monitor strain, temperature, ionic concentration, and the concentration of target biomolecules. Moreover, a twisted CNT yarn enables strong torsional actuation, and coiled CNT yarns generate large tensile strokes as an artificial muscle. Furthermore, the reversible actuation of CNT yarns can be used as an energy harvester and, when combined with a CNT supercapacitor, has promoted the next-generation of energy storage systems. Here, progressive advances of CNT yarns in electrical sensing, actuation, and energy storage are reported, and the future challenges in smart electronic systems considered.
机译：智能系统是显示自主或协作功能的系统，包括感知多个输入，以适当的操作做出响应以及控制给定情况的能力。在某些情况下，在智能电子系统中保留柔性，可拉伸，便携式，可穿戴和/或可植入属性也是非常令人感兴趣的。在有前途的候选智能材料中，碳纳米管（CNT）表现出出色的电气和机械性能，并且具有线圈和捻线的结构化CNT基纤维和纱线进一步引入了柔性和可拉伸性能。许多著名的研究已经证明了CNT纱线的各种功能，包括传感器，执行器和能量存储。尤其是，CNT纱线可以用作柔性电子传感器和电极，以监测应变，温度，离子浓度和目标生物分子的浓度。此外，加捻的CNT纱线可实现强大的扭转驱动力，而盘绕的CNT纱线则可作为人造肌肉产生较大的拉伸行程。此外，CNT纱线的可逆驱动可以用作能量收集器，当与CNT超级电容器结合使用时，已经推动了下一代能量存储系统的发展。在此，报道了CNT纱线在电传感，驱动和能量存储方面的进步，并考虑了智能电子系统中的未来挑战。

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