Article
Engineering, Mechanical
Dongguo Tan, Jiaxi Zhou, Kai Wang, Huajiang Ouyang, Huai Zhao, Daolin Xu
Summary: This study proposes a novel sliding-impact bistable TENG (SIBTENG) for energy harvesting from low-frequency intrawell oscillation. The impact-mode structure significantly enhances energy harvesting from intrawell oscillation, resulting in a 100% improvement in output power compared to the traditional SBTENG. Experimental results confirm the effectiveness of the design concept.
MECHANICAL SYSTEMS AND SIGNAL PROCESSING
(2023)
Article
Chemistry, Physical
Hongchun Luo, Jiayi Liu, Tao Yang, Yongqi Zhang, Qingjie Cao
Summary: This study proposes a dipteran flight-inspired bistable triboelectric nanogenerator (DFIB-TENG) for harvesting low-frequency vibration energy. Experimental results show that the DFIB-TENG has high energy output in a specific range of excitation frequency, amplitude, and link length.
Article
Chemistry, Physical
Yurun Chen, Hu Zhang, Caihua Xu, Long Deng, Qiliang Yang, Haitao Zhang, Jianchun Xing, Liqiang Xie
Summary: In this study, a solid-ferrofluid triboelectric nanogenerator (SF-TENG) was proposed for ultra-low-frequency vibration energy harvesting. By optimizing the volume of ferrofluid and the magnetic field intensity, the performance of SF-TENG was enhanced resulting in an output power of 18.2 nW and charging a 1μF capacitor to 1.5 V in 150 s.
Article
Chemistry, Physical
Dongguo Tan, Jiaxi Zhou, Kai Wang, Chen Zhang, Zeyi Li, Daolin Xu
Summary: A wearable bistable triboelectric nanogenerator (WBTENG) with a bistable stiffness feature is proposed for efficient torsional vibration energy harvesting from human motion. The electrical performance of the WBTENG is investigated, including its dependence on dynamic behaviors and its response to different excitation frequencies and load resistances. The WBTENG is proven to switch between interwell and intrawell oscillations, and can generate a peak power of 3.39 mW at 3 Hz. It is capable of powering a light-emitting diode (LED) array and driving a temperature sensor under human motions.
Article
Engineering, Mechanical
Dongguo Tan, Jiaxi Zhou, Kai Wang, Chen Zhang, Daolin Xu
Summary: Torsional bistable triboelectric nanogenerator (TBTENG) is a high-efficiency device that converts vibration energy into electrical energy, effectively collecting energy from low-frequency torsional vibration.
INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES
(2022)
Article
Engineering, Mechanical
Kai Wang, Jiaxi Zhou, Huajiang Ouyang, Yaopeng Chang, Daolin Xu
Summary: This paper introduces a novel QZS-TENG by combining a quasi-zero-stiffness mechanism and a triboelectric nanogenerator. The QZS system with a negative stiffness mechanism achieves ultra-low stiffness in a larger displacement region, leading to excellent energy harvesting performance in the ultra-low frequency region. The study provides a new application of a QZS mechanism for harvesting ultralow-frequency vibration energy by integrating with a TENG.
MECHANICAL SYSTEMS AND SIGNAL PROCESSING
(2021)
Article
Chemistry, Physical
Yan Wang, Xiangyu Liu, Tianyu Chen, Hao Wang, Chuanqing Zhu, Hongyong Yu, Liguo Song, Xinxiang Pan, Jianchun Mi, Chengkuo Lee, Minyi Xu
Summary: The study introduces an underwater flag-like Triboelectric Nanogenerator (UF-TENG) based on flow-induced vibration, which shows a simpler structure and better low velocity performance compared to traditional generators. Through parametric studies, it is demonstrated that UF-TENG can effectively harvest energy from ocean currents to power sensors or micro electric appliances in Internet of Things.
Article
Nanoscience & Nanotechnology
Zewei Ren, Liting Wu, Jiaojiao Zhang, Yue Wang, Yong Wang, Qikun Li, Fan Wang, Xi Liang, Rusen Yang
Summary: A trapezoidal cantilever-structure triboelectric nanogenerator is demonstrated to efficiently harvest energy from vibration in the range of 1-22 Hz. The device can operate with a vibration source as low as 1 Hz, reaching an output power density of 62.2 W/m(3) at 5 Hz. Integration with a power management module enables self-powered timing and wireless transmitting systems.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Materials Science, Multidisciplinary
Jianping Li, Yili Hu, Xiaoning Wang, Lidong He, Jijie Ma, Nen Wan, Jianming Wen, Tinghai Cheng
Summary: Triboelectric nanogenerator (TENG) is a promising method for wave energy harvesting in marine ranching monitoring. A bow-drill structured TENG (BS-TENG) with a simple rope-roller structure is proposed to magnify the wave motion frequency. The structure parameters greatly influence the working performance of the BS-TENG. Combined with IoT and 5G technologies, the BS-TENG can be used in offshore sensor systems for monitoring marine ranching information.
ADVANCED MATERIALS TECHNOLOGIES
(2023)
Article
Chemistry, Physical
Kangqi Fan, Danmei Wei, Yan Zhang, Peihong Wang, Kai Tao, Rusen Yang
Summary: The rotational intermittent-contact TENG (IC-TENG) utilizes a slideable rope-driven rotor to efficiently exploit low-frequency vibration energy, achieving high electric stability through the constantly replenished tribo-charges from intermittent sliding contacts.
Article
Nanoscience & Nanotechnology
Youchao Qi, Guoxu Liu, Yuyu Gao, Tianzhao Bu, Xiaohan Zhang, Chaoqun Xu, Yuan Lin, Chi Zhang
Summary: The study systematically explores the application of triboelectric nanogenerator in converting vibrational energy and proposes a method for developing an ultra-wide-band vibration energy harvester, which has high practical value.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Instruments & Instrumentation
Ganggang Liang, Daoli Zhao, Zhimiao Yan, Weipeng Sun, Zhemin Wang, Ting Tan
Summary: This study introduces a non-contact-type triboelectric nanogenerator (TENG) aimed at significantly enhancing its durability in harvesting low-frequency vibration energy. The proposed TENG utilizes permanent magnets and rolling-balls to increase anti-wear capability and improve efficiency. It achieves stable electrical output and can harvest energy from various human motions.
REVIEW OF SCIENTIFIC INSTRUMENTS
(2023)
Article
Engineering, Mechanical
Zewei Ren, Ziming Wang, Fan Wang, Site Li, Zhong Lin Wang
Summary: This study investigates the vibration behavior and excitation mechanism of an ultra-stretchable electrode film in wind energy harvesting. By developing perforations on the electrode film for geometric optimization based on aerodynamic characteristics, the output power of the TENG device has been significantly improved.
EXTREME MECHANICS LETTERS
(2021)
Article
Chemistry, Physical
Zhigang Qu, XiaoPeng Wang, MingKun Huang, ChuanXian Chen, Yang An, Wuliang Yin, Xingfei Li
Summary: With the worsening of environmental pollution and energy crisis, the exploration of clean and renewable energy has become vital for human survival and development. This paper proposes an eccentric-structured hybrid triboelectric-electromagnetic nanogenerator (EHNG) to extract low-frequency mechanical energy. The EHNG, comprising a triboelectric nanogenerator (TENG) and an electromagnetic generator (EMG), utilizes its unique eccentric structure to convert one-dimensional mechanical motion into electricity. Compared to separate energy harvesting units, the hybrid nanogenerator operates in a multi-mode, with improved electrical output performance and energy storage capabilities.
Article
Chemistry, Physical
Junyao Shen, Yiyong Yang, Ze Yang, Bo Li, Linhong Ji, Jia Cheng
Summary: With the advancement of sensor networks, researchers have introduced a multilayer triboelectric-electromagnetic hybrid generator (M-TEHG) with remarkable output capabilities across a broad frequency spectrum. This generator not only improves charging rate and provides stable power supply to sensors, but also has the capability to monitor vibration frequencies accurately. The integrated electricity generation and sensing capability of M-TEHG demonstrate its immense potential in various fields.
Article
Chemistry, Physical
Sirinya Ukasi, Paritta Jutapukti, Chiranicha Ninthub, Nattapong Pinpru, Phakkhananan Pakawanit, Wanwilai Vittayakorn, Satana Pongampai, Naratip Vittayakorn, Thitirat Charoonsuk
Summary: This study explores the enhancement of electrical output of flexible hybrid piezoelectric-triboelectric nanogenerators by incorporating gamma-glycine into fully organic composites. The research demonstrates the importance of optimized concentrations of gamma-glycine and chitosan in achieving superior performance. The study identifies the critical content of gamma-glycine that leads to the highest output signal, and provides theoretical explanations for this observation.
Article
Chemistry, Physical
Yoonsang Ra, Yu-seop Kim, Seonmo Yang, Namgyu Kang, Gyuwon Oh, Chungyeon Cho, Sangmin Lee, Dongwhi Choi
Summary: In this study, a portable energy harvester (STEP) was proposed to drive various functional LEDs using biomechanical energy. The roles and functionalities of a triboelectric nanogenerator (TENG) and electromagnetic generator (EMG) in the hybrid energy harvester were experimentally demonstrated, and the necessity of hybridization for LED-involved devices was described. The STEP showed promising potential as an effective energy supply strategy for various functional LEDs in related industries.
Article
Chemistry, Physical
Dae Sol Kong, Kyung Hoon Kim, Ying Chieh Hu, Jong Hun Kim, Inseo Kim, Jeongwan Lee, Joonhyuk Lee, Won Hyuk Shon, Hanjin Yoo, Chul-Un Ro, Seungsu Lee, Hyoungjeen Jeen, Minbaek Lee, Minseok Choi, Jong Hoon Jung
Summary: With the rapid development of the Internet of Things and artificial intelligence, smart home has emerged to fulfill the security, convenience, and energy-saving issues of modern life. A flexoelectric mica crystal is used to augment the finger touch-driven triboelectric output for operating a wireless and multichannel smart home controller. This work provides important ingredients for enhancing triboelectric output and realizing a convenient, multifunctional, cost-effective, and adaptable smart home control system without batteries.
Article
Chemistry, Physical
Yi Han, Fang Wu, Xiaozhen Du, Zihao Li, Haixiang Chen, Dongxing Guo, Junlei Wang, Hong Yu
Summary: This paper presents a novel type of triboelectric nanogenerator that utilizes wind energy, with a Y-type bluff body to enhance vibration and output power. The application of this generator successfully provides power for a wireless temperature and humidity sensor.
Article
Chemistry, Physical
Wen Zhang, Fangyuan Cheng, Miao Chang, Yue Xu, Yuyu Li, Shixiong Sun, Liang Wang, Leimin Xu, Qing Li, Chun Fang, Meng Wang, Yuhao Lu, Jiantao Han, Yunhui Huang
Summary: This study successfully induced the formation of a uniform and robust CEI by constructing ZrO2 nano-rivets on the surface of LCO, stabilizing the surface of high-voltage LCO and facilitating lithium-ion diffusion.
Article
Chemistry, Physical
Karl P. Olson, Laurence D. Marks
Summary: This paper investigates the role of contacting shapes in triboelectricity and provides scaling rules for designing energy harvesting devices.
Article
Chemistry, Physical
Jong-An Choi, Jingu Jeong, Mingyu Kang, Hee-Jin Ko, Taehoon Kim, Keun Park, Jongbaeg Kim, Soonjae Pyo
Summary: Wind-driven triboelectric nanogenerators (WTENGs) are a promising emerging technology for sustainable wind energy harvesting, offering high output performance, lightweight design, and compact dimensions. This study introduces an innovative WTENG design that leverages a rolling-based mechanism to achieve efficient omnidirectional wind energy harvesting.
Article
Chemistry, Physical
Liwei Dong, Qian Tang, Chaoyang Zhao, Guobiao Hu, Shuai Qu, Zicheng Liu, Yaowen Yang
Summary: This paper proposes a novel hybrid scheme for flag-type nanogenerators (FNGs) that enhances their performance and broadens their operational wind speed ranges by harnessing the synergistic potential of two aerodynamic behaviors. The proposed flag-type triboelectric-piezoelectric hybrid nanogenerator (FTPNG) integrates flapping piezoelectric flags (PEFs) and a fluttering triboelectric flag (TEF). The FTPNG achieves significant power generation and a broad wind speed range, surpassing other FNGs, making it suitable for various self-powered systems and Internet of Things applications.
Review
Chemistry, Physical
Yunmeng Li, Xin Liu, Zewei Ren, Jianjun Luo, Chi Zhang, Changyong (Chase) Cao, Hua Yuan, Yaokun Pang
Summary: The demand for green and eco-friendly materials is growing due to increasing environmental concerns related to traditional petroleum-based products. Marine biomaterials have emerged as a promising alternative, thanks to their abundant availability, biocompatibility, biodegradability, and low toxicity. In this review, we discuss the development and applications of triboelectric nanogenerators (TENGs) based on marine biomaterials. The operational modes, foundational principles, intrinsic qualities, and advantages of marine biomaterials commonly used in TENG designs are highlighted. Approaches to enhance the efficacy of TENGs derived from marine biomaterials are also discussed, along with documented applications from existing literature. Furthermore, the existing challenges and future directions in marine biomaterial-inspired TENGs are explored.
Article
Chemistry, Physical
Matthew P. Wells, Adam J. Lovett, Yizhi Zhang, Zhongxia Shang, Kosova Kreka, Babak Bakhit, Haiyan Wang, Albert Tarancon, Judith L. MacManus-Driscoll
Summary: Reversible solid oxide cells (rSOCs) offer a promising solution to efficient energy conversion, but have been limited in portable power and electrolysis applications due to excessive polarisation resistance of the oxygen electrode at low temperatures. This study demonstrates the growth of symmetric and complete rSOC structures with reduced polarisation resistance by tuning oxygen vacancy through annealing, providing a promising route towards high-performance rSOC devices for portable power applications.
Article
Chemistry, Physical
Kangkang Bao, Minghui Wang, Yue Zheng, Panpan Wang, Liwen Yang, Yang Jin, Hui Wu, Bin Sun
Summary: This study utilizes ethanol as an electrolyte additive to modulate the migration of zinc ions and the surface structure of zinc anodes, resulting in improved capacity retention and cycle life of zinc-based aqueous batteries.
Article
Chemistry, Physical
Haichao Yang, Wensi Cai, Ming Wang, Saif M. H. Qaid, Zhiyuan Xu, Huaxin Wang
Summary: The introduction of sodium alginate (SA) into perovskite solar cells improves the carrier dynamics, stability, and performance by inhibiting nonradiative recombination and retarded charge dynamics.
Article
Chemistry, Physical
Cuirong Zhang, Mingyuan Wei, Zihan Chen, Wansheng Lin, Shifan Yu, Yijing Xu, Chao Wei, Jinwei Zhang, Ziquan Guo, Yuanjin Zheng, Qingliang Liao, Xinqin Liao, Zhong Chen
Summary: Artificial Intelligence of Things (AIoT) aims to establish smart and informative interactions between humans and devices. However, common pixelated sensing arrays in AIoT applications present problems such as hard and brittle devices, complex structures, and low precision. This article introduces an innovative solution called the all-in-one intelligent semitransparent interactive nerve patch (AISI nerve patch), which integrates sensing, recognition, and transmission functionalities into a thin and flexible patch. The AISI nerve patch is semitransparent, allowing for accurate identification without affecting aesthetics, and it can be attached to any curved surface for intelligent and interactive applications. With rapid response time and high precision recognition, it enables the integration of artificial intelligence and achieves high recognition accuracy for further development of AIoT.
Article
Chemistry, Physical
Youcun Bai, Heng Zhang, Huijun Song, Chong Zhu, Lijin Yan, Qin Hu, Chang Ming Li
Summary: A novel stainless-steel supported lattice-mismatched V-S-Se layered compound with high selenium vacancy was synthesized by adjusting the molar ratio of sulfur to selenium. The introduction of selenium vacancies created additional redox peaks of sulfur, providing more mass transport channels and active sites for zinc ions. The specific capacity and cycle stability of the electrode were significantly improved, demonstrating great potential for practical applications and providing insights into the effects of defects on battery performance.
Article
Chemistry, Physical
Yao Xiao, Puxian Xiong, Yakun Le, Zhenjie Lun, Kang Chen, Zhiduo Wang, Peishan Shao, Zhicong Chen, Dongdan Chen, Zhongmin Yang
Summary: This study successfully synthesized a material with multi-stimulus-responsive luminescence and confirmed the internal relationship between luminescence and defects by regulating the distribution and depth of defects. The dynamic process of multi-stimulus-responsive luminescence was validated by experimental and calculation results.