Self-Healing and Elastic Triboelectric Nanogenerators for Muscle Motion Monitoring and Photothermal Treatment DOI
Dan Yang,

Yufeng Ni,

Xinxin Kong

et al.

ACS Nano, Journal Year: 2021, Volume and Issue: 15(9), P. 14653 - 14661

Published: Sept. 15, 2021

Owing to wearing and unpredictable damage, the working lifetime of triboelectric nanogenerators (TENGs) is largely limited. In this work, we prepared a single-electrode multifunctional TENG (MF-TENG) that exhibits fast self-healing, human health monitoring capability, photothermal properties. The device consists thin self-healing poly(vinyl alcohol)-based hydrogel sandwiched between two silicone elastomer films. MF-TENG short-circuit current, transfer charge, open-circuit voltage 7.98 μA, 78.34 nC, 38.57 V, respectively. Furthermore, owing repairable networks dynamic imine bonds in charged layer borate ester electrodes, could recover its original state after mechanical damage within 10 min at room temperature. can be attached different joints for self-powered personal information. Additionally, under near-infrared laser irradiation provide therapy assisting recovery motion. It envisaged proposed applied fields wearable electronics health-monitoring devices.

Language: Английский

Multi-sensor information fusion based on machine learning for real applications in human activity recognition: State-of-the-art and research challenges DOI
Sen Qiu, Hongkai Zhao, Nan Jiang

et al.

Information Fusion, Journal Year: 2021, Volume and Issue: 80, P. 241 - 265

Published: Nov. 13, 2021

Language: Английский

Citations

464
Flexible Electronics and Devices as Human–Machine Interfaces for Medical Robotics DOI
Wenzheng Heng,

Samuel A. Solomon,

Wei Gao

et al.

Advanced Materials, Journal Year: 2021, Volume and Issue: 34(16)

Published: Dec. 12, 2021

Abstract Medical robots are invaluable players in non‐pharmaceutical treatment of disabilities. Particularly, using prosthetic and rehabilitation devices with human–machine interfaces can greatly improve the quality life for impaired patients. In recent years, flexible electronic soft robotics have attracted tremendous attention this field due to their high biocompatibility, functionality, conformability, low‐cost. Flexible on will make a promising alternative conventional rigid devices, which potentially revolutionize paradigm future direction medical terms feedback user experience. review, fundamental components materials, structures, mechanisms human‐machine summarized by renowned applications five primary areas: physical chemical sensing, physiological recording, information processing communication, robotic actuation, stimulation. This review further concludes discussing outlook current challenges these technologies as interface robotics.

Language: Английский

Citations

387
Recent progress of triboelectric nanogenerators: From fundamental theory to practical applications DOI Creative Commons
Jianjun Luo, Zhong Lin Wang

EcoMat, Journal Year: 2020, Volume and Issue: 2(4)

Published: Oct. 22, 2020

Abstract For the development of internet things (IoTs), big data, and artificial intelligence, widely distributed sensing network is most essential element, which has to be driven by energy storage unit, with a limited lifetime environmental concerns. Given that wide distribution high mobility these numerous sensors, success IoTs sustainable human society call for renewable sources. Since triboelectrification effect ubiquitous universal in our living environment, triboelectric nanogenerator (TENG) mechanical harvesting self‐powered developed Wang co‐workers one best choices this new era. In review, recent progress TENGs from fundamental theory practical applications systematically summarized. First, mechanism contact electrification, first principle theory, working principle, modes, figure merits TENG are introduced. Furthermore, important four major applications, including micro/nano power sources, active large‐scale blue energy, direct high‐voltage sources reviewed. end, some perspectives challenges future also discussed. image

Language: Английский

Citations

332
Flexible Wearable Sensors for Cardiovascular Health Monitoring DOI
Shuwen Chen, Jiaming Qi, Shicheng Fan

et al.

Advanced Healthcare Materials, Journal Year: 2021, Volume and Issue: 10(17)

Published: May 6, 2021

Abstract Cardiovascular diseases account for the highest mortality globally, but recent advances in wearable technologies may potentially change how these illnesses are diagnosed and managed. In particular, continuous monitoring of cardiovascular vital signs early intervention is highly desired. To this end, flexible sensors that can be comfortably worn over long durations gaining significant attention. review, advanced signals outlined discussed. Specifically, functional materials, configurations, mechanisms, heart rate, blood pressure, oxygen saturation, glucose highlighted. Different mechanisms bioelectric, mechano‐electric, optoelectric, ultrasonic presented to monitor from different body locations. Present challenges, possible strategies, future directions also With rapid development, will applicable both medical diagnosis daily healthcare use tackling diseases.

Language: Английский

Citations

305
Promoting smart cities into the 5G era with multi-field Internet of Things (IoT) applications powered with advanced mechanical energy harvesters DOI
Long Liu, Xinge Guo, Chengkuo Lee

et al.

Nano Energy, Journal Year: 2021, Volume and Issue: 88, P. 106304 - 106304

Published: July 4, 2021

Language: Английский

Citations

295
Breathable Ti3C2Tx MXene/Protein Nanocomposites for Ultrasensitive Medical Pressure Sensor with Degradability in Solvents DOI

Mingyuan Chao,

Lingzhang He,

Min Gong

et al.

ACS Nano, Journal Year: 2021, Volume and Issue: 15(6), P. 9746 - 9758

Published: June 3, 2021

Flexible, breathable, and degradable pressure sensors with excellent sensing performance are drawing tremendous attention for various practical applications in wearable artificial skins, healthcare monitoring, intelligence due to their flexibility, breathability, lightweight, decreased electronic rubbish, environmentally friendly impact. However, traditional plastic or elastomer substrates impermeability, uncomfortableness, mechanical mismatches, nondegradability greatly restricted applications. Therefore, the fabrication of such high facile degradability, breathability is still a critical challenge highly desired. Herein, we present wearable, degradable, sensitive MXene/protein nanocomposites-based sensor. The fabricated MXene/protein-based sensor assembled from breathable conductive MXene coated silk fibroin nanofiber (MXene-SF) membrane patterned ink-printed (MXene ink-SF) interdigitated electrode, which can serve as layer electrode layer, respectively. exhibits wide range (up 39.3 kPa), sensitivity (298.4 kPa-1 1.4-15.7 kPa; 171.9 15.7-39.3 fast response/recovery time (7/16 ms), reliable cycling stability over 10 000 cycles, good biocompatibility, robust degradability. Furthermore, it shows great monitoring human psychological signals, acting an skin quantitative illustration distribution, wireless biomonitoring real time. Considering biodegradable features, may become promising find potential smart motion detection, disease diagnosis, human-machine interaction.

Language: Английский

Citations

292
Recent Advances in Triboelectric Nanogenerators: From Technological Progress to Commercial Applications DOI Creative Commons
Dongwhi Choi, Young‐Hoon Lee, Zong‐Hong Lin

et al.

ACS Nano, Journal Year: 2023, Volume and Issue: 17(12), P. 11087 - 11219

Published: May 23, 2023

Serious climate changes and energy-related environmental problems are currently critical issues in the world. In order to reduce carbon emissions save our environment, renewable energy harvesting technologies will serve as a key solution near future. Among them, triboelectric nanogenerators (TENGs), which is one of most promising mechanical harvesters by means contact electrification phenomenon, explosively developing due abundant wasting sources number superior advantages wide availability selection materials, relatively simple device configurations, low-cost processing. Significant experimental theoretical efforts have been achieved toward understanding fundamental behaviors range demonstrations since its report 2012. As result, considerable technological advancement has exhibited it advances timeline achievement proposed roadmap. Now, technology reached stage prototype development with verification performance beyond lab scale environment commercialization. this review, distinguished authors world worked together summarize state art theory, devices, systems, circuits, applications TENG fields. The great research achievements researchers field around over past decade expected play major role coming fruition unexpectedly accelerated next decade.

Language: Английский

Citations

287
Hierarchically Microstructure-Bioinspired Flexible Piezoresistive Bioelectronics DOI
Tao Yang, Weili Deng, Xiang Chu

et al.

ACS Nano, Journal Year: 2021, Volume and Issue: 15(7), P. 11555 - 11563

Published: June 15, 2021

The naturally microstructure-bioinspired piezoresistive sensor for human–machine interaction and human health monitoring represents an attractive opportunity wearable bioelectronics. However, due to the trade-off between sensitivity linear detection range, obtaining sensors with both a wide pressure range high is still great challenge. Herein, we design hierarchically flexible consisting of hierarchical polyaniline/polyvinylidene fluoride nanofiber (HPPNF) film sandwiched two interlocking electrodes microdome structure. Ascribed substantially enlarged 3D deformation rates, these bioelectronics exhibit ultrahigh 53 kPa–1, from 58.4 960 Pa, fast response time 38 ms, excellent cycle stability over 50 000 cycles. Furthermore, this conformally skin-adhered successfully demonstrates physiological signals movement states, such as wrist pulse, throat activity, spinal posture, gait recognition. Evidently, amplified provides promising strategy rapid development next-generation

Language: Английский

Citations

266
Power generation for wearable systems DOI
Mingyuan Gao, Ping Wang, Lili Jiang

et al.

Energy & Environmental Science, Journal Year: 2021, Volume and Issue: 14(4), P. 2114 - 2157

Published: Jan. 1, 2021

The mechanisms, figures of merit, and systems for wearable power generation are reviewed in this article. Future perspectives lie breakthrough technologies fiber electronics, fully printable, flexible SoC, IoT-enabled self-awareness systems.

Language: Английский

Citations

260
Soft fibers with magnetoelasticity for wearable electronics DOI Creative Commons
Xun Zhao, Yihao Zhou, Jing Xu

et al.

Nature Communications, Journal Year: 2021, Volume and Issue: 12(1)

Published: Nov. 19, 2021

Abstract Magnetoelastic effect characterizes the change of materials’ magnetic properties under mechanical deformation, which is conventionally observed in some rigid metals or metal alloys. Here we show magnetoelastic can also exist 1D soft fibers with stronger magnetomechanical coupling than that traditional counterparts. This explained by a wavy chain model based on dipole-dipole interaction and demagnetizing factor. To facilitate practical applications, further invented textile generator (MEG), weaving conductive yarns to couple induction, paves new way for biomechanical-to-electrical energy conversion short-circuit current density 0.63 mA cm −2 , internal impedance 180 Ω, intrinsic waterproofness. Textile MEG was demonstrated convert arterial pulse into electrical signals low detection limit 0.05 kPa, even heavy perspiration underwater situations without encapsulations.

Language: Английский

Citations

251