Porous Polymer Materials in Triboelectric Nanogenerators: A Review DOI Open Access

Yajun Mi,

Zequan Zhao,

Han Wu

et al.

Polymers, Journal Year: 2023, Volume and Issue: 15(22), P. 4383 - 4383

Published: Nov. 11, 2023

Since the invention of triboelectric nanogenerator (TENG), porous polymer materials (PPMs), with different geometries and topologies, have been utilized to enhance output performance expand functionality TENGs. In this review, basic characteristics preparation methods various PPMs are introduced, along their applications in TENGs on basis roles as electrodes, surfaces, structural materials. According pore size dimensionality, types that built hydrogels, aerogels, foams, fibrous media classified advantages disadvantages analyzed. To deepen understanding future development trend, intelligent multifunctional human–machine interfaces, smart wearable devices, self-powering sensors introduced. Finally, directions challenges explored provide possible guidance TENG-based devices systems.

Language: Английский

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

275

An Advanced Strategy to Enhance TENG Output: Reducing Triboelectric Charge Decay DOI
Congyu Wang, Hengyu Guo, Peng Wang

et al.

Advanced Materials, Journal Year: 2023, Volume and Issue: 35(17)

Published: Feb. 4, 2023

Abstract The Internet of Things (IoT) is poised to accelerate the construction smart cities. However, it requires more than 30 billion sensors realize IoT vision, posing great challenges and opportunities for industries self‐powered sensors. Triboelectric nanogenerator (TENG), an emerging new technology, capable easily converting energy from surrounding environment into electricity, thus TENG has tremendous application potential in At present, encounters a bottleneck boost output large‐scale commercial use if just by promoting triboelectric charge generation, because decided dynamic equilibrium between generation decay. To break this bottleneck, strategy reducing decay enhance focused. First, multiple mechanisms are summarized detail with basic theoretical principles future research. Furthermore, recent advances thoroughly reviewed outlined three aspects: inhibition air breakdown, simultaneous breakdown drift/diffusion, drift/diffusion. Finally, research focus proposed. This review provides reference guidance enhancing output.

Language: Английский

Citations

134

Deep‐Learning‐Assisted Noncontact Gesture‐Recognition System for Touchless Human‐Machine Interfaces DOI
Hao Zhou, Wei Huang,

Zhuo Xiao

et al.

Advanced Functional Materials, Journal Year: 2022, Volume and Issue: 32(49)

Published: Sept. 30, 2022

Abstract Human‐machine interfaces (HMIs) play important role in the communication between humans and robots. Touchless HMIs with high hand dexterity hygiene hold great promise medical applications, especially during pandemic of coronavirus disease 2019 (COVID‐19) to reduce spread virus. However, current touchless are mainly restricted by limited types gesture recognition, requirement wearing accessories, complex sensing platforms, light conditions, low recognition accuracy, obstructing their practical applications. Here, an intelligent noncontact gesture‐recognition system is presented through integration a triboelectric sensor (TTS) deep learning technology. Combined deep‐learning‐based multilayer perceptron neural network, TTS can recognize 16 different gestures average accuracy 96.5%. The further applied control robot for collecting throat swabs mode. Compared present HMIs, proposed diverse utilizing charges naturally carried on human fingers without need complicated device structures, adequate achieves accuracy. This could provide exciting opportunities develop new generation equipment, as well public facilities, smart robots, virtual reality, metaverse, etc.

Language: Английский

Citations

131

Fabrication of Advanced Cellulosic Triboelectric Materials via Dielectric Modulation DOI Creative Commons
Guoli Du, Jinlong Wang, Yanhua Liu

et al.

Advanced Science, Journal Year: 2023, Volume and Issue: 10(15)

Published: March 26, 2023

The rapid rise of triboelectric nanogenerators (TENGs), which are emerging energy conversion devices in advanced electronics and wearable sensing systems, has elevated the interest high-performance multifunctional materials. Among them, cellulosic materials, affording high efficiency, biodegradability, customizability, becoming a new front-runner. inherently low dielectric constant limits increase surface charge density. However, owing to its unique structure excellent processability, cellulose shows great potential for modulation, providing strong impetus applications era Internet Things artificial intelligence. This review aims provide comprehensive insights into fabrication dielectric-enhanced materials via modulation. exceptional advantages research progress highlighted. effects constant, polarization, percolation threshold on density systematically investigated, theoretical basis Typical characterization methods introduced, their technical characteristics analyzed. Furthermore, performance enhancements endowed by including more efficient harvesting, electronics, impedance matching material strategies, introduced. Finally, challenges future opportunities modulation summarized.

Language: Английский

Citations

101

Advanced Dielectric Materials for Triboelectric Nanogenerators: Principles, Methods, and Applications DOI
Yi Li,

Yi Luo,

Haocheng Deng

et al.

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(52)

Published: March 22, 2024

Abstract Triboelectric nanogenerator (TENG) manifests distinct advantages such as multiple structural selectivity, diverse selection of materials, environmental adaptability, low cost, and remarkable conversion efficiency, which becomes a promising technology for micro‐nano energy harvesting self‐powered sensing. Tribo‐dielectric materials are the fundamental core components high‐performance TENGs. In particular, charge generation, dissipation, storage, migration dielectrics, dynamic equilibrium behaviors determine overall performance. Herein, comprehensive summary is presented to elucidate dielectric transport mechanism tribo‐dielectric material modification principle toward The contact electrification started first, followed by introducing basic Subsequently, mechanisms strategies highlighted regarding physical/chemical, surface/bulk, coupling, structure optimization. Furthermore, representative applications based TENGs power sources, sensors demonstrated. existing challenges potential opportunities advanced outlined, guiding design, fabrication, materials.

Language: Английский

Citations

67

Triboelectric nanogenerators: the beginning of blue dream DOI
Wanli Wang, Dongfang Yang,

Xiaoran Yan

et al.

Frontiers of Chemical Science and Engineering, Journal Year: 2023, Volume and Issue: 17(6), P. 635 - 678

Published: April 2, 2023

Language: Английский

Citations

65

Advances in Graphene-Based Electrode for Triboelectric Nanogenerator DOI Creative Commons
Bin Xie,

Yuanhui Guo,

Yun Chen

et al.

Nano-Micro Letters, Journal Year: 2024, Volume and Issue: 17(1)

Published: Sept. 27, 2024

Abstract With the continuous development of wearable electronics, wireless sensor networks and other micro-electronic devices, there is an increasingly urgent need for miniature, flexible efficient nanopower generation technology. Triboelectric nanogenerator (TENG) technology can convert small mechanical energy into electricity, which expected to address this problem. As core component TENG, choice electrode materials significantly affects its performance. Traditional metal often suffer from problems such as durability, limits further application TENG. Graphene, a novel material, shows excellent prospects in TENG owing unique structure electrical properties. This review systematically summarizes recent research progress TENGs based on graphene electrodes. Various precision processing methods electrodes are introduced, applications electrode-based various scenarios well enhancement performance discussed. In addition, future also prospectively discussed, aiming promote advancement TENGs.

Language: Английский

Citations

57

Skin‐Like Transparent, High Resilience, Low Hysteresis, Fatigue‐Resistant Cellulose‐Based Eutectogel for Self‐Powered E‐Skin and Human–Machine Interaction DOI
Chuanwei Lu, Xinyu Wang, Yi Shen

et al.

Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 34(13)

Published: Dec. 14, 2023

Abstract Artificial electronic skin (E‐skin), a class of promising materials mimicking the physical‐chemical and sensory performance human skin, has gained extensive interest in field health‐monitoring robotic skins. However, developing E‐skin simultaneously achieving high resilience, hysteresis‐free, absent external power is always formidable challenge. Herein, liquid‐free eutectic gel‐based self‐powered with fatigue resistance, conductivity prepared by introducing hydroxypropyl cellulose (HPC) into metal salt‐based deep solvents (MDES). The unique structural design cellulose‐anchored permanent entangled poly(acrylic acid) (PAA) chain, combination rapid broken/reconstruction dense dynamic sacrificial bonds, realizes fabrication high‐elastic negligible hysteresis. This further demonstrates practical application cellulose‐based eutectogel transmittance (92%), (36.6 mS m −1 ), resilience (98.1%), excellent environment stability robust triboelectric nanogenerator for energy harvesting health‐caring human‐machine interaction.

Language: Английский

Citations

54

Recent Progress in Self-Powered Wireless Sensors and Systems Based on TENG DOI Creative Commons
Yonghai Li, Jinran Yu, Yichen Wei

et al.

Sensors, Journal Year: 2023, Volume and Issue: 23(3), P. 1329 - 1329

Published: Jan. 24, 2023

With the development of 5G, artificial intelligence, and Internet Things, diversified sensors (such as signal acquisition module) have become more important in people's daily life. According to extensive use various distributed wireless sensors, powering them has a big problem. Among all methods, self-powered sensor system based on triboelectric nanogenerators (TENGs) shown its superiority. This review focuses four major application areas TENG, including environmental monitoring, human industrial production, The perspectives outlook future are discussed.

Language: Английский

Citations

50

Non‐Contact Triboelectric Nanogenerator DOI Open Access
Xiaofei Fu, Xiaosen Pan, Yang Liu

et al.

Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 33(52)

Published: Sept. 8, 2023

Abstract With the rapid development of science and technology, there is an increasing demand for sustainable energy sources. Although triboelectric nanogenerators (TENGs) can realize self‐powered supply by using various weak mechanical energy, device's robustness reliability are seriously affected frequent, direct, long‐term shocks, as well negative environmental factors during equipment operation. Therefore, researchers have developed non‐contact (NC‐TENGs) based on principle electrostatic induction. This technology enables electricity generation via relative movement friction layers even when they not in direct contact, which consequently leads to enhance device robustness, prolonged service life, broadened operation scenarios. In this review, recent progress NC‐TENG from fundamental theory practical applications systematically summarized. The basic structure working first introduced, followed a discussion devices’ structural construction performance optimization methods. Furthermore, automatic force position detection system, human‐machine interface, electrical harvesting reviewed. Finally, brief prospectus future provided.

Language: Английский

Citations

50