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Article
Chemistry, Physical
Bolang Cheng et al.
Summary: By studying the vibrating process of flutter-driven triboelectric nanogenerator, researchers found that the inhomogeneous charge distribution and inconsistent separation distance on the vibrating films contribute to the low electrical output. To overcome this issue, the large area vibrating films were segmented and integrated to create a high output contact-separated triboelectric nanogenerator. The optimized design achieved a transferred charge density per time of 22.25 mC s-1 m-2, which is 2.8 times the previous record, and could light up 2792 LEDs under gentle wind.
Article
Materials Science, Multidisciplinary
Jin-ho Son et al.
Summary: Wind-driven fluttering-type triboelectric nanogenerator, which can generate electrical output based on wind energy, has been widely studied. However, previous studies have not discussed structural device designs to harvest bidirectional wind energy. Herein, a wind-driven bidirectional fluttering triboelectric nanogenerator is reported, which has a dual flagpole and slot structure design to generate electrical output against wind blowing from both directions.
ADVANCED MATERIALS TECHNOLOGIES
(2023)
Article
Chemistry, Multidisciplinary
Jin-ho Son et al.
Summary: Currently, the focus is on wind energy harvesting, but existing electromagnetic wind generators struggle to capture various types of wind. Wind-driven triboelectric nanogenerators (TENGs) have been studied as an alternative to harness wind energy at different speeds, but their power output is typically low. In this study, a charge-polarization-based flutter-driven TENG (CPF-TENG) with an ambient air ionizing channel (AAIC) is introduced to overcome this limitation. The CPF-TENG with AAIC generates peak voltage and current outputs of 2000 V and 4 A, respectively, enabling it to be stacked in series for complete wind energy harvesting.
ADVANCED MATERIALS
(2023)
Review
Engineering, Electrical & Electronic
Xiaotian Zheng et al.
Summary: Microelectromechanical systems (MEMS) powered by conventional batteries have limitations in terms of application scope and environmental friendliness. Piezoelectric technology offers a solution by harvesting clean energy and achieving self-supply of electrical energy for MEMS without management and maintenance. This paper provides a comprehensive review of piezoelectric wind energy harvesters (PWEH) and discusses their structure, application, modeling, and signal processing. Future development directions include expanding application area, improving adaptive capabilities, and application-oriented system design. The paper serves as a valuable reference for those in the industry working on structural innovation and performance enhancement.
SENSORS AND ACTUATORS A-PHYSICAL
(2023)
Article
Chemistry, Multidisciplinary
Qixuan Zeng et al.
Summary: A novel thermal-driven triboelectric nanogenerator (TD-TENG) is developed, which utilizes a bimetallic beam with a bi-stable dynamic feature to induce continuous mechanical oscillations and convert mechanical motion into electric power. The TD-TENG can produce a power density of 323.9 mW m(-2) at 59.5 degrees C, obtaining the highest record of TENG-based thermal energy harvesters. Moreover, the TD-TENG can harvest and dissipate heat simultaneously, showing great potential in electronic protection and architectural energy conservation.
Article
Chemistry, Multidisciplinary
Qixuan Zeng et al.
Summary: This study achieves the comprehensive integration and synergetic utilization of triboelectrification, electrostatic induction, and electrostatic discharge in a single device, realizing a dual-functional TENG (DF-TENG) to produce an AC/DC convertible output. Unlike conventional TENGs, the coupling of triboelectrification and electrostatic discharge enables charge circulation between the dielectric tribo-layers, while electrostatic induction realizes charge transfer in the external circuit. This research not only provides a paradigm shift to achieve AC/DC convertible output, but it also exhibits high potential for extending the TENG design philosophy.
ADVANCED MATERIALS
(2023)
Article
Chemistry, Physical
Baoran Shi et al.
Summary: This paper provides a detailed overview of the structural design, performance improvements, and power management circuit applications of triboelectric nanogenerators (TENGs) for harvesting wind energy. It also summarizes the areas of application and future directions for TENGs in wind energy harvesting.
Article
Chemistry, Physical
Shufen Dai et al.
Summary: Real-time monitoring of wind vector, including speed and direction, is crucial for crop management in agricultural environment. Traditional wind vector sensors face challenges such as large size, low accuracy, and lack of energy supply, necessitating the development of super-sensitive sensors without external power supply. This study introduces a slit-effect-enabled TENG for wind energy harvesting and self-powered wind vector monitoring, demonstrating its potential in intelligent agriculture.
Article
Green & Sustainable Science & Technology
Joon-seok Lee et al.
Summary: To overcome the limitations of wind power generators, a stackable disk-shaped wind-rolling triboelectric nanogenerator (DWR-TENG) was developed to generate energy from omnidirectional wind. Its disk-shaped design ensures no restrictions related to wind direction or installation conditions.
INTERNATIONAL JOURNAL OF PRECISION ENGINEERING AND MANUFACTURING-GREEN TECHNOLOGY
(2022)
Article
Chemistry, Multidisciplinary
Lixia He et al.
Summary: A high-performance dual-mode triboelectric nanogenerator is proposed, which can efficiently collect wind energy and monitor wind speed in real-time, with excellent durability and energy-harvesting efficiency.
Article
Chemistry, Physical
Hee-Jin Ko et al.
Summary: This study developed a triboelectric nanogenerator that can harvest energy from omnidirectional winds at various speeds. The generator consists of a flexible cylindrical shell and a rigid column, and it can generate electricity uniformly for all wind directions. Experimental results showed that it could generate voltage and current from wind speeds as low as 0.3 m/s to as high as 10 m/s, with a measured RMS power density of 8.43 mW/m(2) at a wind speed of 10 m/s. It was also demonstrated that the generator could be used as a self-powered wind-monitoring sensor with high durability.
Article
Chemistry, Multidisciplinary
Yingjin Luo et al.
Summary: This research proposes a novel approach to reduce the wear in triboelectric nanogenerators (TENGs) and achieves higher power density per unit wind speed through structural optimization. Furthermore, a self-powered environmental monitoring and alarming system is demonstrated by integrating the TENG with an energy management circuit.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Chemistry, Physical
Il-Woong Tcho et al.
Summary: In this study, a new type of wind energy harvester, with a rear-fixed film, was investigated. This harvester is capable of collecting wind energy at various wind speeds from gentle breezes to windstorms, and it can operate reliably for a long time. Experimental results demonstrate that this harvester can supply electrical energy to commercial LEDs and be used in a self-powered dust-monitoring system.
Article
Materials Science, Multidisciplinary
Chenghan Zhao et al.
Summary: In this study, a biomimetic triboelectric nanogenerator (C-TENG) inspired by calliopsis structure was designed to harvest wind energy and function as a self-powered wind parameter sensor. The device effectively collects wind energy and can be utilized as a wind speed and direction sensor for meteorological monitoring, agricultural production, and the nautical industry.
MATERIALS & DESIGN
(2022)
Review
Chemistry, Physical
Zewei Ren et al.
Summary: This article reviews the recent advances in wind harvesters based on TENG and summarizes the strategies for materials, structural design, power management, and performance optimization of TENG-based wind harvesting systems. The hybridization of TENG with other energy harvesting techniques is also discussed, and the application, outlook, and challenges in the growth of TENG-based wind harvesters are outlined.
Article
Chemistry, Physical
Hee-Jin Ko et al.
Summary: In this study, a wind-driven triboelectric nanogenerator was developed as a self-powered wind sensor. The generator can produce constant output voltage and works in various wind directions. Experiments showed a correlation between the output voltage and wind speed and direction within a certain range.
Review
Engineering, Mechanical
Zhiyuan Li et al.
Summary: Wind energy harvesting technology has the potential to convert wind energy into electric power for various applications. Flutter-based energy harvesters have made significant progress in different structures and methods, including structural improvement, optimization, introduction of nonlinearity, and hybrid structures. However, there are still challenges that require further research.
INTERNATIONAL JOURNAL OF MECHANICAL SYSTEM DYNAMICS
(2022)
Article
Chemistry, Physical
Pengfei Chen et al.
Summary: The introduction of animal furs as a material for improving the triboelectric nanogenerator (TENG) significantly increases electric output, with high stability and low wear even in high humidity environments. By designing a counter-rotating structure, output efficiency is further enhanced.
ADVANCED ENERGY MATERIALS
(2021)
Article
Chemistry, Physical
Qinghao Xu et al.
Summary: This paper proposes a novel wind vector sensor system that can synchronously perceive wind speed and direction based on self-powered technology and photoelectric technology, achieving accurate monitoring of wind direction and paving the way for ultra-low power consumption for IoTs-based environmental sensors.
Article
Chemistry, Multidisciplinary
Huamin Chen et al.
Summary: The study demonstrates a performance-enhancing rolling TENG based on nano-micro-structured PTFE films, which can effectively harvest water wave energy and has the potential for environmental monitoring.
Review
Nanoscience & Nanotechnology
Quan Wen et al.
Summary: This article provides an overview of the state-of-the-art of miniature wind energy harvesters, analyzing crucial factors for high efficiency under lower operational wind speed excitation, discussing potential energy coupling mechanisms, and presenting design approaches and performance enhancement mechanisms.
NANO MATERIALS SCIENCE
(2021)
Review
Energy & Fuels
Junlei Wang et al.
Article
Chemistry, Physical
M. Toyabur Rahman et al.
Review
Chemistry, Physical
Changsheng Wu et al.
ADVANCED ENERGY MATERIALS
(2019)
Article
Computer Science, Information Systems
Mahyar Shirvanimoghaddam et al.
Review
Chemistry, Physical
Bo Chen et al.
ADVANCED ENERGY MATERIALS
(2018)
Article
Chemistry, Physical
Daewon Kim et al.
Article
Chemistry, Multidisciplinary
Wenlong Li et al.
Article
Nanoscience & Nanotechnology
Hulin Zhang et al.
ACS APPLIED MATERIALS & INTERFACES
(2016)
Article
Multidisciplinary Sciences
Hyungseok Yong et al.
SCIENTIFIC REPORTS
(2016)
Article
Chemistry, Physical
Simiao Niu et al.
Article
Chemistry, Physical
Myeong-Lok Seol et al.
Article
Chemistry, Physical
Simiao Niu et al.
Article
Chemistry, Multidisciplinary
Yannan Xie et al.