A Tubular Flexible Triboelectric Nanogenerator with a Superhydrophobic Surface for Human Motion Detecting

Wang, Jianwei; Zhao, Zhizhen; Zeng, Xiangwen; Liu, Xiyu; Hu, Youfan

doi:10.3390/s21113634

Cited by 11 publications

(5 citation statements)

References 42 publications

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“…The use of strong and readily available materials with facile fabrication processes has enabled the mass distribution of these durable monitoring devices to help provide continuous gait monitoring for the public. 166,167 Additionally, choosing footwear that provides heightened comfortability is a priority for many people, so that TENG integration for foot pressure monitoring can be a more practical choice for human daily life. Future research may be aimed to improve the monitoring of unhealthy joint and walking angles to prevent further joint degradation and improve long-term joint health.…”

Section: Sensing Human Motion Signals Via Teng-based Wearable Sensorsmentioning

confidence: 99%

Human body IoT systems based on the triboelectrification effect: energy harvesting, sensing, interfacing and communication

Zhang

Xin

Fan

et al. 2022

Energy Environ. Sci.

134

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Section: Sensing Human Motion Signals Via Teng-based Wearable Sensorsmentioning

confidence: 99%

Human body IoT systems based on the triboelectrification effect: energy harvesting, sensing, interfacing and communication

Zhang

Xin

Fan

et al. 2022

Energy Environ. Sci.

134

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“…[200] Wang et al coated fluorinated ethylene propylene films on PDMS substrate to form a superhydrophobic surface. [201] The output power of the triboelectric nanogenerator (TENG) was increased by at least 100% compared to the untreated counterpart. In another study, the etched surface of Al was modified with the superhydrophobic 1H,1H,2H,2Hperfluorodecyltrichlorosilane and then a TENG was constructed to capture wind energy, which can efficiently power a wireless smart sensor node by providing a constant output voltage of 3.3 V and a pulsed output current of up to 100 mA via a power management circuit.…”

Section: Flexible Electronicsmentioning

confidence: 99%

Superhydrophobic Materials: Versatility and Translational Applications

Yong

Huang

et al. 2022

Adv Materials Inter

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the emergence of bionics. Although it has only been around for ≈60 years, bionics has undeniably spread to and revolutionized almost every aspect of human life. Special wettability, one of the most common phenomena in nature, was described as early as in 1805 with Young's equation. [1] However, it was not until 1976 that the term "superhydrophobicity" was first introduced to describe the particle coating of hydrophobic fumed silicon dioxide, on which water droplets remained spherical and the adhesion force was negligible. Later, in 1997, Barthlott [2] and Neinhuis [3] reported the "lotus effect" and revealed the origin of the self-cleaning property of lotus leaves: the presence of papillae on the microstructure and epicuticular wax. Subsequently, Jiang et al. further deciphered that the nanostructures on the top of the micropapillae impart superhydrophobicity to the surface of lotus leaves. [4] At the same time, it was discovered that many other naturally occurring phenomena are due to the superhydrophobicity of materials, [5] such as the high and directional adhesion of gecko foot, the structural color of butterfly wings, the anisotropic wetting of rice leaves, the low fluid friction of water strider legs, the antifogging and anti-reflection of mosquito compound eyes, the high adhesion of red rose petals, the low adhesion of cicada wings, the high reflection of poplar leaves, and the water capture of Stenocara beetles, etc. To date, great efforts have been made to establish theoretical models to understand superhydrophobic phenomena, develop advanced strategies and techniques to fabricate superhydrophobic surfaces, and exploit the versatile properties and functions of superhydrophobic materials. [6] However, it is still a great challenge to translate superhydrophobic phenomena in nature into practical applications by mimicry. Fortunately, after thorough investigations, researchers have found that sufficient roughness and suitable surface energy are the two indispensable determinants to impart superhydrophobicity to synthetic materials. [7] Applications of superhydrophobic materials in transportation, architecture/building protection, oil/water separation, and seawater desalination to biomedical device fabrication, biosensing, energy conversion and utilization, and textile manufacturing, have been studied extensively over the past decade (Figure 1). [8] An analytical report published by Mordor Inspired by the lotus leaf in nature, superhydrophobic materials have attracted considerable attention in both science and industry over the past three decades. Apart from the most characteristic yet widely used properties such as waterproofing, anti-fouling, and self-cleaning, superhydrophobic materials have also developed exciting new functions such as drag reduction, corrosion resistance, anti-icing, anti-bacteria, and anti-reflection. In this review article, the theoretical models describing superhydrophobic surfaces are first briefly introduced. Then, the most common substrates and strategies for fabricating super...

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“…Various processing methods including photolithography, chemical etching, dip coating, and electrodeposition are systematically discussed. Finally, the applications of superhydrophobic flexible sensors in human health detection [62], human motion measurement [63], anti-icing, and de-icing are summarized. This review will provide a reference for designing new superhydrophobic flexible sensor methods and realizing batch production.…”

Section: Introductionmentioning

confidence: 99%

Superhydrophobic Flexible Strain Sensors Constructed Using Nanomaterials: Their Fabrications and Sustainable Applications

Zhou,

Zang,

Guan

et al. 2023

Nanomaterials

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Superhydrophobic flexible strain sensors, which combine superhydrophobic coatings with highly sensitive flexible sensors, significantly enhance sensor performance and expand applications in human motion monitoring. Superhydrophobic coatings provide water repellency, surface self-cleaning, anti-corrosion, and anti-fouling properties for the sensors. Additionally, they enhance equipment durability. At present, many studies on superhydrophobic flexible sensors are still in the early research stage; the wear resistance and stability of sensors are far from reaching the level of industrial application. This paper discusses fundamental theories such as the wetting mechanism, tunneling effect, and percolation theory of superhydrophobic flexible sensors. Additionally, it reviews commonly used construction materials and principles of these sensors. This paper discusses the common preparation methods for superhydrophobic flexible sensors and summarizes the advantages and disadvantages of each method to identify the most suitable approach. Additionally, this paper summarizes the wide-ranging applications of the superhydrophobic flexible sensor in medical health, human motion monitoring, anti-electromagnetic interference, and de-icing/anti-icing, offering insights into these fields.

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A Tubular Flexible Triboelectric Nanogenerator with a Superhydrophobic Surface for Human Motion Detecting

Cited by 11 publications

References 42 publications

Human body IoT systems based on the triboelectrification effect: energy harvesting, sensing, interfacing and communication

Human body IoT systems based on the triboelectrification effect: energy harvesting, sensing, interfacing and communication

Superhydrophobic Materials: Versatility and Translational Applications

Superhydrophobic Flexible Strain Sensors Constructed Using Nanomaterials: Their Fabrications and Sustainable Applications

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