Flexible Nanogenerators for Energy Harvesting and Self‐Powered Electronics

Advanced Materials, Journal Year: 2016, Volume and Issue: 28(22), P. 4283 - 4305

Published: Jan. 7, 2016

Flexible nanogenerators that efficiently convert mechanical energy into electrical have been extensively studied because of their great potential for driving low‐power personal electronics and self‐powered sensors. Integration flexibility stretchability to nanogenerator has important research significance enables applications in flexible/stretchable electronics, organic optoelectronics, wearable electronics. Progress harvesting is reviewed, mainly including two key technologies: flexible piezoelectric (PENGs) triboelectric (TENGs). By means material classification, various approaches PENGs based on ZnO nanowires, lead zirconate titanate (PZT), poly(vinylidene fluoride) (PVDF), 2D materials, composite materials are introduced. For TENG, its structural designs factors determining output performance discussed, as well integration, fabrication applications. The latest representative achievements regarding the hybrid also summarized. Finally, some perspectives challenges this field discussed.

Language: Английский

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Potassium–Sodium Niobate Lead-Free Piezoelectric Materials: Past, Present, and Future of Phase Boundaries

Chemical Reviews, Journal Year: 2015, Volume and Issue: 115(7), P. 2559 - 2595

Published: March 20, 2015

ADVERTISEMENT RETURN TO ISSUEPREVReviewNEXTPotassium–Sodium Niobate Lead-Free Piezoelectric Materials: Past, Present, and Future of Phase BoundariesJiagang Wu*, Dingquan Xiao, Jianguo ZhuView Author Information Department Materials Science, Sichuan University, Chengdu 610064, China*E-mail:[email protected] [email protected]Cite this: Chem. Rev. 2015, 115, 7, 2559–2595Publication Date (Web):March 20, 2015Publication History Received1 December 2014Published online20 March 2015Published inissue 8 April 2015https://doi.org/10.1021/cr5006809Copyright © 2015 American Chemical SocietyRIGHTS & PERMISSIONSArticle Views13354Altmetric-Citations1127LEARN ABOUT THESE METRICSArticle Views are the COUNTER-compliant sum full text article downloads since November 2008 (both PDF HTML) across all institutions individuals. These metrics regularly updated to reflect usage leading up last few days.Citations number other articles citing this article, calculated by Crossref daily. Find more information about citation counts.The Altmetric Attention Score is a quantitative measure attention that research has received online. Clicking on donut icon will load page at altmetric.com with additional details score social media presence for given article. how calculated. Share Add toView InAdd Full Text ReferenceAdd Description ExportRISCitationCitation abstractCitation referencesMore Options onFacebookTwitterWechatLinked InReddit Read OnlinePDF (14 MB) Get e-AlertsSUBJECTS:Ceramics,Electrical properties,Materials,Piezoelectrics,Sintering e-Alerts

Language: Английский

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Advances of flexible pressure sensors toward artificial intelligence and health care applications

Materials Horizons, Journal Year: 2014, Volume and Issue: 2(2), P. 140 - 156

Published: Oct. 17, 2014

Incorporating flexible pressure sensors with organic electronic devices allows their promising applications in artificial intelligence and the health care industry.

Language: Английский

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Bio-Integrated Wearable Systems: A Comprehensive Review

Chemical Reviews, Journal Year: 2019, Volume and Issue: 119(8), P. 5461 - 5533

Published: Jan. 28, 2019

Bio-integrated wearable systems can measure a broad range of biophysical, biochemical, and environmental signals to provide critical insights into overall health status quantify human performance. Recent advances in material science, chemical analysis techniques, device designs, assembly methods form the foundations for uniquely differentiated type technology, characterized by noninvasive, intimate integration with soft, curved, time-dynamic surfaces body. This review summarizes latest this emerging field "bio-integrated" technologies comprehensive manner that connects fundamental developments chemistry, engineering sensing have potential widespread deployment societal benefit care. An introduction chemistries materials active components these contextualizes essential design considerations sensors associated platforms appear following sections. The subsequent content highlights most advanced biosensors, classified according their ability capture information. Additional sections feature schemes electrically powering strategies achieving fully integrated, wireless systems. concludes an overview key remaining challenges summary opportunities where chemistry will be critically important continued progress.

Language: Английский

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Wearable sensors: modalities, challenges, and prospects

Lab on a Chip, Journal Year: 2017, Volume and Issue: 18(2), P. 217 - 248

Published: Nov. 28, 2017

Wearable sensors have recently seen a large increase in both research and commercialization. However, success wearable has been mix of progress setbacks. Most commercial smart adaptation existing mechanical, electrical optical methods measuring the body. This involved innovations how to miniaturize sensing technologies, make them conformal flexible, development companion software that increases value measured data. chemical modalities experienced greater challenges adoption, especially for non-invasive sensors. There also significant making fundamental improvements electrical, modalities, improving their specificity detection. Many these can be understood by appreciating body's surface (skin) as more an information barrier than source. With deeper understanding faced state-of-the-art sensor technology, roadmap becomes clearer creating next generation breakthroughs.

Language: Английский

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Recent Progress in Electronic Skin

Advanced Science, Journal Year: 2015, Volume and Issue: 2(10)

Published: July 14, 2015

The skin is the largest organ of human body and can sense pressure, temperature, other complex environmental stimuli or conditions. mimicry skin's sensory ability via electronics a topic innovative research that could find broad applications in robotics, artificial intelligence, human–machine interfaces, all which promote development electronic (e‐skin). To imitate tactile sensing e‐skins, flexible stretchable pressure sensor arrays are constructed based on different transduction mechanisms structural designs. These map with high resolution rapid response beyond perception. Multi‐modal force sensing, humidity detection, as well self‐healing abilities also exploited for multi‐functional e‐skins. Other recent progress this field includes integration high‐density circuits signal processing, combination wireless technology convenient energy/data transfer, self‐powered Future opportunities lie fabrication highly intelligent e‐skins respond to variations external environment. rapidly increasing innovations area will be important scientific community future life.

Language: Английский

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Smart Textiles for Electricity Generation

Chemical Reviews, Journal Year: 2020, Volume and Issue: 120(8), P. 3668 - 3720

Published: March 23, 2020

Textiles have been concomitant of human civilization for thousands years. With the advances in chemistry and materials, integrating textiles with energy harvesters will provide a sustainable, environmentally friendly, pervasive, wearable solution distributed on-body electronics era Internet Things. This article comprehensively thoughtfully reviews research activities regarding utilization smart harvesting from renewable sources on body its surroundings. Specifically, we start brief introduction to contextualize significance light emerging crisis, environmental pollution, public health. Next, systematically review according their abilities harvest biomechanical energy, heat biochemical solar as well hybrid forms energy. Finally, critical analysis insights into remaining challenges future directions. worldwide efforts, innovations materials elaborated this push forward frontiers textiles, which soon revolutionize our lives

Language: Английский

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A comprehensive review on piezoelectric energy harvesting technology: Materials, mechanisms, and applications

Applied Physics Reviews, Journal Year: 2018, Volume and Issue: 5(4)

Published: Dec. 1, 2018

The last decade has witnessed significant advances in energy harvesting technologies as a possible alternative to provide continuous power supply for small, low-power devices applications, such wireless sensing, data transmission, actuation, and medical implants. Piezoelectric (PEH) been salient topic the literature attracted widespread attention from researchers due its advantages of simple architecture, high density, good scalability. This paper presents comprehensive review on state-of-the-art piezoelectric harvesting. Various key aspects improve overall performance PEH device are discussed, including basic fundamentals configurations, materials fabrication, enhancement mechanisms, future outlooks.

Language: Английский

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Nature-Inspired Structural Materials for Flexible Electronic Devices

Chemical Reviews, Journal Year: 2017, Volume and Issue: 117(20), P. 12893 - 12941

Published: Oct. 9, 2017

Exciting advancements have been made in the field of flexible electronic devices last two decades and will certainly lead to a revolution peoples' lives future. However, because poor sustainability active materials complex stress environments, new requirements adopted for construction devices. Thus, hierarchical architectures natural materials, which developed various environment-adapted structures through selection, can serve as guides solve limitations engineering techniques. This review covers smart designs structural inspired by their utility First, we summarize that accommodate mechanical deformations, is fundamental requirement work properly environments. Second, discuss functionalities induced nature-inspired including sensing, energy harvesting, physically interacting, so on. Finally, provide perspective on newly potential applications future devices, well frontier strategies biomimetic functions. These analyses summaries are valuable systematic understanding inspirations electronics.

Language: Английский

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Transparent and Stretchable Interactive Human Machine Interface Based on Patterned Graphene Heterostructures

Advanced Functional Materials, Journal Year: 2014, Volume and Issue: 25(3), P. 375 - 383

Published: Nov. 14, 2014

An interactive human‐machine interface (iHMI) enables humans to control hardware and collect feedback information. In particular, wearable iHMI systems have attracted tremendous attention owing their potential for use in personal mobile electronics the Internet of Things. Although significant progress has been made development systems, those based on rigid constraints terms wearability, comfortability, signal‐to‐noise ratio (SNR), aesthetics. Herein fabrication a transparent stretchable system composed mechanical sensors stimulators is reported. The ultrathin lightweight design allows superior wearability high SNR. conductive/piezoelectric graphene heterostructures, which consist poly( l ‐lactic acid), single‐walled carbon nanotubes, silver nanowires, results transparency, excellent performance, low power consumption as well deformability. robot arm various motions stimulation upon successful executions commands are demonstrated using system.

Language: Английский

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