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Advances in Triboelectric Nanogenerators for Blue Energy Harvesting and Marine Environmental Monitoring

Engineering 2024年第2期33卷 204-224页

作者： Yang Jiang Xi Liang Tao Jiang zhong lin wang CAS Center for Excellence in Nanoscience Beijing Key Laboratory of Micro–Nano Energy and SensorsBeijing Institute of Nanoenergy and NanosystemsChinese Academy of SciencesBeijing 101400China School of Nanoscience and Technology University of Chinese Academy of SciencesBeijing 100049China Georgia Institute of Technology AtlantaGA 30332USA

Blue energy,which includes rainfall,tidal current,wave,and water-flow energy,is a promising renewable resource,although its exploitation is limited by current technologies and thus remains *** form of energy is mainly harvested by electromagnetic generators(EMGs),which generate electricity via Lorenz force-driven electron *** nano genera tors(TENGs)and TENG networks exhibit superiority over EMGs in low-frequency and high-entropy energy harvesting as a new approach for blue energy harvesting.A TENG produces electrical outputs by adopting the mechanism of Maxwell’s displacement *** date,a series of research efforts have been made to optimize the structure and performance of TENGs for effective blue energy harvesting and marine environmental *** the great progress that has been achieved in the use of TENGs in this context so far,continuous exploration is required in energy conversion,device durability,power management,and environmental *** review reports on advances in TENGs for blue energy harvesting and marine environmental *** introduces the theoretical foundations of TENGs and discusses advanced TENG prototypes for blue energy harvesting,including TENG structures that function in freestanding and contact-separation *** enhancement strategies for TENGs intended for blue energy harvesting are also ***,marine environmental applications of TENGs based on blue energy harvesting are discussed.

关键词： Triboelectric nanogenerator TENG networks Blue energy Energy harvesting Ocean sensors

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Energy Harvesting for Self-Powered Nanosystems

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Nano Research 2008年第1期1卷 1-8页

作者： zhong lin wang School of Materials Science and Engineering Georgia Institute of TechnologyAtlantaGA 30332-0245USA

In this article,an introduction is presented about the energy harvesting technologies that have potential for powering *** discussion mainly focuses on the approaches other than the well-known solar cell and *** mainly introduce the piezoelectric nanogenerators developed using aligned ZnO nanowire *** is a potential technology for converting mechanical movement energy(such as body movement,muscle stretching,blood pressure),vibration energy(such as acoustic/ultrasonic wave),and hydraulic energy(such as fl ow of body fl uid,blood fl ow,contraction of blood vessel,dynamic fl uid in nature)into electric energy for self-powered nanosystems.

关键词： Nanogenerator self-powered nanosystem energy harvesting

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Ten years' venturing in ZnO nanostructures:from discovery to scientific understanding and to technology applications

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Chinese Science Bulletin 2009年第22期54卷 4021-4034页

作者： zhong lin wang School of Materials Science and Engineering Georgia Institute of Technology Atlanta GA 30332-0245 USA

Zinc oxide is a unique material that exhibits semiconducting, piezoelectric and pyroelectric multiple properties. Nanostructures of ZnO are equally important as carbon nanotubes and silicon nanowires (NWs) for nanotechnology, and have great potential applications in nano-electronics, optoelectronics, sensors, field emission, light emitting diodes, photocatalysis, nanogenerators, and nanopiezotronics. Ever since the discovery of nanobelts (NBs) in 2001 by my group, a world wide research in ZnO has been kicked off. This review introduces my group's experience in venturing the discovery, understanding and applications of ZnO NWs and NBs. The aim is to introduce the progress made in my research in the last 10 years in accompany to the huge social advances and economic development taking place in China in the last 10 years.

关键词：纳米结构风险投资氧化锌应用科学认识硅纳米线半导体材料发光二极管

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Triboelectric nanogenerators as wearable power sources and self-powered sensors

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National Science Review 2023年第1期10卷 28-48页

作者： Xiong Pu Chi Zhang zhong lin wang CAS Center for Excellence in Nanoscience Beijing Key Laboratory of Micro-Nano Energy and Sensor Beijing Institute of Nanoenergy and NanosystemsChinese Academy of Sciences School of Nanoscience and Technology University of Chinese Academy of Sciences School of Materials Science and Engineering College of EngineeringGeorgia Institute of Technology

Smart we arable technologies are augmenting human bodies beyond our biological capabilities in communication,healthcare and *** supply and information acquisition are essential for wearable electronics,whereas the increasing demands in multifunction are raising the requirements for energy and sensor *** triboelectric nanogenerator(TENG),proven to be able to convert various mechanical energies into electricity,can fulfill either of these two functions and therefore has drawn extensive attention and research efforts *** everyday life of a human body produces considerable mechanical energies and,in the meantime,the human body communicates mainly through mechanical signals,such as sound,body gestures and muscle ***,the TENG has been intensively studied to serve as either wearable sources or wearable self-powered ***,the recent finding on the fundamental understanding of TENGs is revisited briefly,followed by a summary of recent advancements in TENG-based wearable power sources and self-powered *** challenges and prospects of this area are given as well.

关键词： triboelectric nanogenerators power sources self-powered sensors wearable electronics

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Bionic iontronics based on nano-confined structures

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Nano Research 2023年第9期16卷 11718-11730页

作者： Han Qian Di Wei zhong lin wang Beijing Institute of Nanoenergy and Nanosystems Chinese Academy of SciencesBeijing 101400China School of Nanoscience and Engineering University of Chinese Academy of SciencesBeijing 100049China School of Materials Science and Engineering Georgia Institute of TechnologyAtlantaGA 30332USA

The Moore’s law in silicone-based electronics is reaching its limit and the energy efficiency of the most sophisticated electronics to mimic the iontronic logic circuit in single-celled organisms is still inferior to their natural *** electronics,iontronics is widely present in nature,and provides the fundamentals for many life activities through the transmission and conversion of information and energy via ***,as nanotechnology and fabrication processes continue to advance,highly efficient iontronics could be enabled by creation of asymmetry from nano-confined unipolar ion transport through various nanohierarchical structures of *** introduction of bionic design and nanostructures has made it possible for ions to demonstrate numerous anomalous behaviours and entirely new mechanisms,which are governed by complex interfacial *** this review,we discuss the origins,development,mechanism,and applications of bionic iontronics and analyze the unique benefits as well as the practicality of iontronics from a variety of ***,as an emerging field of research with innumerable challenges and opportunities for exploring the theory and applications of ions as transport carriers,promises to provide new insights in many subjects covering energy and sensing,etc.,and establishes a new paradigm in investigating the ionic-electric signal transduction interface for futuristic iontronic logic circuit and neuromorphic computing.

关键词： iontronics electronics nano-confined ion transport nanofluidic asymmetry

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One-Dimensional ZnO Nanostructures： Solution Growth and Functional Properties

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Nano Research 2011年第11期4卷 1013-1098页

作者： Sheng Xu zhong lin wang School of Materials Science and Engineering Georgia Institute of Technology Atlanta Georgia 30332-0245 USA

One-dimensional （1D） ZnO nanostructures have been studied intensively and extensively over the last decade not only for their remarkable chemical and physical properties, but also for their diverse current and future technological applications. This article gives a comprehensive overview of the progress that has been made within the context of 1D ZnO nanostructures synthesized via wet chemical methods. We will cover the synthetic methodologies and the corresponding growth mechanisms, various nanostructures grown, their doping and alloying, and position-controlled growth on substrates. Finally, we will review their functional properties in catalysis, hydrophobic surface modification, sensing, and electronic, optical, optoelectronic, and energy harvesting devices.

关键词： ZnO one dimensional nanostructures solution growth electronic optical optoelectronic energy harvesting devices

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Triboelectric nanogenerators: Fundamental physics and potential applications

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Friction 2020年第3期8卷 481-506页

作者： linglin ZHOU Di LIU Jie wang zhong lin wang Beijing Institute of Nanoenergy and Nanosystems Chinese Academy of SciencesBeijing 100083China Collge of Nanoscience and Technolog University of Chinese Academy of SciencesBejing 100049China School of Materials Science and Engineering Georgia Institute of TechmologAtlantaGA 30332USA

Based on the conjunction of contact electrification and electrostatic induction,triboelectric nanogenerators(TENGs)can harvest mechanical energy dispersed in our *** the characteristics of simple structure,light weight,broad material availability,low cost,and high efficiency even at low operation frequency,TENG can serve as a promising alternative strategy for meeting the needs of distributed energy for the internet of things and *** major potential applications of TENG can be summarized as four fields containing micro/nano power sources,self-powered sensors,large-scale blue energy,and direct high-voltage power *** this paper,the fundamental physics,output performance enhancement,and applications of TENGs are reviewed to timely summarize the development of TENGs and provide a guideline for future research.

关键词： contact electrification self-powered system energy harvesting triboelectric nanogenerator

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Triboelectric nanogenerator as a new technology for effective PM2.5 removing with zero ozone emission

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Progress in Natural Science:Materials International 2018年第2期28卷 99-112页

作者： Chuan He zhong lin wang Beijing Institute of Nanoenergy and Nanosystems Chinese Academy of Sciences School of Materials Science and Engineering Georgia Institute of Technology CAS Center for Excellence in Nanoscience National Center for Nanoscience and Technology (NCNST)

Particles matters(PMs) have raised serious concerns due to their great impact on human health. Coupling triboelectric effect and electrostatic induction, triboelectric nanogenerator(TENG) has demonstrated as a practical sustainable power source for portable devices. The characteristics of TENG, such as high electric field and high output power, make it a promising technology in air cleaning applications. Here, the mechanism of the TENG and its application in self-powered air cleaning technologies are reviewed. Using the TENG as a voltage source, a self-powered air cleaning system for removing SOand PMs is developed; and the removal efficiency of nanofiber filters is greatly enhanced due to electrostatic attraction. More importantly, the technology is not only most effective for removing nano-scale particles that cannot be effectively filtered using conventional fiber-film filters, but also produces no ozone emission. Besides being an independent power supply, a vibration TENG based triboelectric filter is designed to effectively capture the PMs from automobile exhaust fumes. Hence, the TENG demonstrates its great potential in self-powered air cleaning applications.

关键词： Triboelectric nanogenerator Power source Particulate matter Air cleaning Nanofiber filter

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Hybrid energy cell for simultaneously harvesting wind, solar, and chemical energies

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Nano Research 2014年第11期7卷 1631-1639页

作者： Yingchun Wu Xiandai zhong Xue wang Ya Yang zhong lin wang Beijing Institute of Nanoenergy and Nanosystems Chinese Academy of Sciences Beijing 100083 China School of Materials Science and Engineering Georgia Institute of Technology Atlanta Georgia 30332-0245 USA

We report a hybrid energy cell that can simultaneously or individually harvest wind, solar, and chemical energies to power some electronic devices. By utilizing the wind driven relative rotations between a polytetrafluoroethylene film and an etched A1 film attached on two acrylic tubes, the fabricated triboelectric nanogenerator （TENG） can deliver an open-circuit voltage of about 90 V, a short-circuit current density of about 0.5 mA/m2, and a maximum power density of 16 mW/m2, which is capable of directly lighting up 20 blue light- emitting-diodes （LEDs）. By integrating a TENG, a solar cell, and an electrochemical cell, a hybrid energy cell has been fabricated to simultaneously scavenge three different types of energies. As compared with the individual energy units, the hybrid energy cell exhibited much better performance in charging a capacitor. Moreover, we also demonstrated that the hybrid energies generated can be stored in a Li-ion battery for powering a commercial wind speed sensor and a temperature sensor. This work represents significant progress toward practical applications of hybrid energy cells, providing potential solutions for simul- taneously scavenging wind, solar, and chemical energies.

关键词： hybrid energy cell wind energy solar energy triboelectricnanogenerators electrochemical cells

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Natural polymers based triboelectric nanogenerator for harvesting biomechanical energy and monitoring human motion

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Nano Research 2022年第3期15卷 2505-2511页

作者： Hong Chen Qixin Lu Xia Cao Ning wang zhong lin wang Center on Nanoenergy Research School of Physical Science and TechnologyGuangxi UniversityNanning 530004China Beijing Institute of Nanoenergy and Nanosystems Chinese Academy of SciencesBeijing 100083China School of Chemistry and Biological Engineering University of Science and Technology BeijingBeijing 100083China Center for Green Innovation School of Mathematics and PhysicsUniversity of Science and Technology BeijingBeijing 100083China School of Materials Science and Engineering Georgia Institute of TechnologyAtlantaGA 30332-0245USA

Triboelectric nanogenerator(TENG)has been proved as a promising energy harvester in recent years,but the challenges of exploring economically triboelectric materials still exist and have aroused interests of many *** this paper,chitosan-silk fibroin-airlaid paper composite film(CSA film)was fabricated and then the CSA film based-triboelectric nanogenerator(CSA-TENG)was constructed,which presents an opportunity for natural polymers to be applied in triboelectric *** to the excellent electron donating ability of CSA film,the CSA-TENG can harvest environmental energy with a high *** importantly,the as-designed CSA film based dual-electrode triboelectric nanogenerator(CSA-D-TENG)is successfully assembled into hand clapper and trampoline to harvest mechanical energies generated by human bodies,it is also capable of monitoring human movement while harvesting biomechanical *** work provides a simple and environmental-friendly way to develop TENG for biomechanical energies harvesting and human motion monitoring.

关键词： triboelectric nanogenerator natural polymers biomechanical energies human motion monitoring

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