Recently, human motion and respiration monitoring sensors have attracted significant research attention in the field of wearable electronics and healthcare applications. Fiber-based electronic sensors demonstrate significant potential for such applications due to their flexibility. However, the superior flexibility of fiber-based sensors is generally limited due to the partial use of rigid elements such as metal electrode layers. In this paper, a simple method is presented for the fabrication of all-nanofiber multifunctional sensors, which consist of triboelectric (TE), piezoresistive (PR), and thermoresistive (TR) sensing elements and demonstrate superior flexibility, excellent wearability, and multifunctionality. The TE sensing unit was fabricated by integrating two triboelectrically dissimilar nanofiber surfaces using a polymer mesh separator, for the formation of internal macro-scale air gaps; followed by the electrical polarization of nanofibers. The TR and PR sensing elements were realized using vapor-phase polymerized fiber electrode layers. Using the sensor developed in this study, different motions and breathing frequencies can be individually or simultaneously detected using the TE, PR, and TR sensing elements. This work therefore presents a novel scheme for human motion sensors and breathing sensors, which are widely applicable to wearable electronics, healthcare monitoring, and human-machine interfaces.

近来，人体运动和呼吸监测传感器已在可穿戴电子设备和医疗保健领域引起了广泛的研究关注。基于光纤的电子传感器具有灵活性，因此在此类应用中具有巨大潜力。然而，由于部分地使用诸如金属电极层之类的刚性元件，通常限制了基于纤维的传感器的优越的柔韧性。本文介绍了一种制造全纳米纤维多功能传感器的简单方法，该传感器由摩擦电（TE），压阻（PR）和热阻（TR）传感元件组成，并具有出色的柔韧性，出色的耐磨性和多功能性。TE感应单元是通过使用聚合物网格分隔器将两个摩擦电不同的纳米纤维表面整合在一起而制成的，用于形成内部宏观气隙；其次是纳米纤维的电极化。TR和PR传感元件是使用气相聚合纤维电极层实现的。使用本研究开发的传感器，可以使用TE，PR和TR传感元件分别或同时检测不同的运动和呼吸频率。因此，这项工作提出了一种适用于人体运动传感器和呼吸传感器的新颖方案，该方案广泛适用于可穿戴电子设备，医疗保健监视和人机界面。使用TE，PR和TR传感元件可以分别或同时检测不同的运动和呼吸频率。因此，这项工作提出了一种适用于人体运动传感器和呼吸传感器的新颖方案，该方案广泛适用于可穿戴电子设备，医疗保健监视和人机界面。使用TE，PR和TR传感元件可以分别或同时检测不同的运动和呼吸频率。因此，这项工作提出了一种适用于人体运动传感器和呼吸传感器的新颖方案，该方案广泛适用于可穿戴电子设备，医疗保健监视和人机界面。