基于P(VDF-TrFE)电纺纳米纤维的自供电混合摩擦电-压电电子皮肤用于人工传感系统

IF 3.1 Q2 MATERIALS SCIENCE, COMPOSITES
Sumin Cho, Sunmin Jang, Donghan Lee, Yoonsang Ra, Dongik Kam, Jong Woo Kim, Do-Shik Shin, Kyoung Duck Seo, D. Choi
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引用次数: 6

摘要

压电传感器由于其自供电的传感和灵活性以及受人类皮肤启发在电子皮肤(e-skin)中的潜在应用前景而得到发展。然而,尽管压电传感器在检测人类运动方面具有优异的性能,但很难将外部机械刺激(如在单个结构中敲击)区分在一起。在这里,我们提出了一种基于电纺聚(偏二氟乙烯-三氟乙烯)的自供电电子皮肤,纳米纤维混合摩擦电-压电传感器(e-HTPS),可以基于摩擦电效应和压电效应识别人体运动和外部触摸。基于摩擦电效应的传感器具有良好的电输出特性,具有灵活性高、工作简单等优点。因此,E-HTPS由两层组成,作为触觉传感器的摩擦电层和作为人体运动传感器的压电层。因此,我们证明了E-HTPS可以检测人体运动,甚至可以检测附着在目标身体部位的手指触摸。因此,E-HTPS可以为设计自供电电子皮肤作为医疗保健监测和软机器人的人工感觉系统提供一种有效的方法。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Self-powered hybrid triboelectric–piezoelectric electronic skin based on P(VDF-TrFE) electrospun nanofibers for artificial sensory system
Piezoelectric sensors have been developed due to the self-powered sensing and flexibility and the promising potential applications in the electronic skin (e-skin) inspired by human skin. However, although the piezoelectric sensors have an excellent performance in detecting human movements, it is difficult to distinguish external mechanical stimuli such as tapping in a single structure, together. Here, we suggest a self-powered e-skin based on electrospun poly(vinylidene fluoride-trifluoroethylene), nanofiber hybrid triboelectric–piezoelectric sensor (E-HTPS), that can identify between human motions and external touch based on both triboelectric effect and piezoelectric effect. Triboelectric effect-based sensors have a good electrical output characteristic with various advantages of high-flexibility and simple working operation. Hence, the E-HTPS consists of two layers, triboelectric layer as a tactile sensor and piezoelectric layer as a human motion sensor. Therefore, we demonstrate that the E-HTPS can detect human movements and even finger touch with attached to the target body part. Consequently, the E-HTPS could provide an effective approach to designing the self-powered e-skin as an artificial sensory system for healthcare monitoring and soft robotics.
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来源期刊
Functional Composites and Structures
Functional Composites and Structures Materials Science-Materials Science (miscellaneous)
CiteScore
4.80
自引率
10.70%
发文量
33
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