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Stretchable and tough conductive hydrogels for flexible pressure and strain sensors.
Journal of Materials Chemistry B ( IF 6.1 ) Pub Date : 2020-04-29 , DOI: 10.1039/c9tb02570g
Zhenwu Wang 1 , Yang Cong , Jun Fu
Affiliation  

Flexible pressure and strain sensors have great potential for applications in wearable and implantable devices, soft robotics and artificial skin. Compared to flexible sensors based on filler/elastomer composites, conductive hydrogels are advantageous due to their biomimetic structures and properties, as well as biocompatibility. Numerous chemical and structural designs provide unlimited opportunities to tune the properties and performance of conductive hydrogels to match various demands for practical applications. Many electronically and ionically conductive hydrogels have been developed to fabricate pressure and strain sensors with different configurations, including resistance type and capacitance type. The sensitivity, reliability and stability of hydrogel sensors are dependent on their network structures and mechanical properties. This review focuses on tough conductive hydrogels for flexible sensors. Representative strategies to prepare stretchable, strong, tough and self-healing hydrogels are briefly reviewed since these strategies are illuminating for the development of tough conductive hydrogels. Then, a general account on various conductive hydrogels is presented and discussed. Recent advances in tough conductive hydrogels with well designed network structures and their sensory performance are discussed in detail. A series of conductive hydrogel sensors and their application in wearable devices are reviewed. Some perspectives on flexible conductive hydrogel sensors and their applications are presented at the end.

中文翻译:

可拉伸且坚韧的导电水凝胶,用于柔性压力和应变传感器。

柔性压力和应变传感器在可穿戴和可植入设备,软机器人和人造皮肤中具有巨大的应用潜力。与基于填料/弹性体复合材料的柔性传感器相比,导电水凝胶由于其仿生结构和特性以及生物相容性而具有优势。许多化学和结构设计为调节导电水凝胶的性质和性能提供了无限的机会,以适应实际应用中的各种需求。已经开发出许多电子和离子导电水凝胶来制造具有不同构造的压力和应变传感器,包括电阻类型和电容类型。水凝胶传感器的灵敏度,可靠性和稳定性取决于其网络结构和机械性能。这篇综述主要针对用于柔性传感器的坚韧导电水凝胶。简要回顾了制备可拉伸,坚固,坚韧和自愈水凝胶的代表性策略,因为这些策略对坚韧的导电水凝胶的开发具有启发性。然后,提出并讨论了各种导电水凝胶的一般说明。详细讨论了具有精心设计的网络结构的坚韧导电水凝胶的最新进展及其感官性能。综述了一系列导电水凝胶传感器及其在可穿戴设备中的应用。最后介绍了有关柔性导电水凝胶传感器及其应用的一些观点。简要综述了坚韧的自修复水凝胶,因为这些策略对坚韧的导电水凝胶的开发具有启发性。然后,提出并讨论了各种导电水凝胶的一般说明。详细讨论了具有精心设计的网络结构的坚韧导电水凝胶的最新进展及其感官性能。综述了一系列导电水凝胶传感器及其在可穿戴设备中的应用。最后介绍了有关柔性导电水凝胶传感器及其应用的一些观点。简要综述了坚韧的自修复水凝胶,因为这些策略对坚韧的导电水凝胶的开发具有启发性。然后,提出并讨论了各种导电水凝胶的一般说明。详细讨论了具有精心设计的网络结构的坚韧导电水凝胶的最新进展及其感官性能。综述了一系列导电水凝胶传感器及其在可穿戴设备中的应用。最后介绍了有关柔性导电水凝胶传感器及其应用的一些观点。详细讨论了具有精心设计的网络结构的坚韧导电水凝胶的最新进展及其感官性能。综述了一系列导电水凝胶传感器及其在可穿戴设备中的应用。最后介绍了有关柔性导电水凝胶传感器及其应用的一些观点。详细讨论了具有精心设计的网络结构的坚韧导电水凝胶的最新进展及其感官性能。综述了一系列导电水凝胶传感器及其在可穿戴设备中的应用。最后介绍了有关柔性导电水凝胶传感器及其应用的一些观点。
更新日期:2020-01-28
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