Hybrid porous micro structured finger skin inspired self-powered electronic skin system for pressure sensing and sliding detection

Chen, Haotian; Song, Yu; Guo, Hang; Miao, Liming; Chen, Xuexian; Su, Zongming; Zhang, Haixia

doi:10.1016/j.nanoen.2018.07.001

Cited by 134 publications

(100 citation statements)

References 42 publications

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“…Over past years, wearable and flexible tactile sensors have attracted a great deal of studies due to their great potential in various applications including physiological measurement [1][2][3], robotics [4], human-computer interaction [5,6] and wearable devices [7,8]. Generally speaking, tactile sensors imitate human perception of pressure with capability of detecting shapes and sliding conditions of the contact objects.…”

Section: Introductionmentioning

confidence: 99%

Flexible Tactile Electronic Skin Sensor with 3D Force Detection Based on Porous CNTs/PDMS Nanocomposites

et al. 2019

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Section: Introductionmentioning

confidence: 99%

Flexible Tactile Electronic Skin Sensor with 3D Force Detection Based on Porous CNTs/PDMS Nanocomposites

et al. 2019

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“…In the field of bionics, sophisticated and multifunctional E‐skins with a mechanosensing function that are inspired by fingerprints, epidermal and dermal microstructures have been developed. A fingertip, which has the highest density of mechanoreceptors, is accurately mimicked to realize a highly sensitive tactile sensor.…”

Section: Introductionmentioning

confidence: 99%

Fingerprint‐Inspired Conducting Hierarchical Wrinkles for Energy‐Harvesting E‐Skin

Kang

Zhao

Huang

et al. 2019

Adv Funct Materials

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In the field of bionics, sophisticated and multifunctional electronic skins with a mechanosensing function that are inspired by nature are developed. Here, an energy-harvesting electronic skin (energy-E-skin), i.e., a pressure sensor with energy-harvesting functions is demonstrated, based on fingerprintinspired conducting hierarchical wrinkles. The conducting hierarchical wrinkles, fabricated via 2D stretching and subsequent Ar plasma treatment, are composed of polydimethylsiloxane (PDMS) wrinkles as the primary microstructure and embedded Ag nanowires (AgNWs) as the secondary nanostructure. The structure and resistance of the conducting hierarchical wrinkles are deterministically controlled by varying the stretching direction, Ar plasma power, and treatment time. This hierarchical-wrinkle-based conductor successfully harvests mechanical energy via contact electrification and electrostatic induction and also realizes self-powered pressure sensing. The energy-E-skin delivers an average output power of 3.5 mW with an open-circuit voltage of 300 V and a short-circuit current of 35 µA; this power is sufficient to drive commercial light-emitting diodes and portable electronic devices. The hierarchical-wrinkle-based conductor is also utilized as a self-powered tactile pressure sensor with a sensitivity of 1.187 mV Pa -1 in both contact-separation mode and the single-electrode mode. The proposed energy-E-skin has great potential for use as a next-generation multifunctional artificial skin, self-powered human-machine interface, wearable thin-film power source, and so on.

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“…The e-skin can directly transmit photodetecting signal into brain for participating in the vision perception and behavioral intervention. Besides visualimage recognitio, more functional sensors including sliding sensor [49], touch screen [50], pressing sensor [51], and motion sensors [52] are also deeply explored.…”

Section: Tengs Harvesting Energy From Biomechanicalmentioning

confidence: 99%

Small-Scale Energy Harvesting from Environment by Triboelectric Nanogenerators

Wang¹,

Zhou²,

Zhang³

et al. 2020

A Guide to Small-Scale Energy Harvesting Techniques

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The increasing needs to power trillions of sensors and devices for the Internet of Things require effective technology to harvest small-scale energy from renewable natural resources. As a new energy technology, triboelectric nanogenerators (TENGs) can harvest ambient mechanical energy and convert it into electricity for powering small electronic devices continuously. In this chapter, the fundamental working mechanism and fundamental modes of a TENG will be presented. It can harvest all kinds of mechanical energy, especially at low frequencies, such as human motion, walking, vibration, mechanical triggering, rotating tire, wind, moving automobile, flowing water, rain drops, ocean waves, and so on. Such variety of energy harvesting methods promises TENG as a new approach for small-scale energy harvesting.

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Hybrid porous micro structured finger skin inspired self-powered electronic skin system for pressure sensing and sliding detection

Cited by 134 publications

References 42 publications

Flexible Tactile Electronic Skin Sensor with 3D Force Detection Based on Porous CNTs/PDMS Nanocomposites

Flexible Tactile Electronic Skin Sensor with 3D Force Detection Based on Porous CNTs/PDMS Nanocomposites

Fingerprint‐Inspired Conducting Hierarchical Wrinkles for Energy‐Harvesting E‐Skin

Small-Scale Energy Harvesting from Environment by Triboelectric Nanogenerators

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