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Liang Y, Xu X, Zhao L, Lei C, Dai K, Zhuo R, Fan B, Cheng E, Hassan MA, Gao L, Mu X, Hu N, Zhang C. Advances of Strategies to Increase the Surface Charge Density of Triboelectric Nanogenerators: A Review. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2308469. [PMID: 38032176 DOI: 10.1002/smll.202308469] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Revised: 10/31/2023] [Indexed: 12/01/2023]
Abstract
Triboelectric nanogenerators (TENGs) have manifested a remarkable potential for harvesting environmental energy and have the prospects to be utilized for various uses, for instance, self-powered sensing devices, flexible wearables, and marine corrosion protection. However, the potential for further development of TENGs is restricted on account of their low output power that in turn is determined by their surface charge density. The current review majorly focuses on the selection and optimization of triboelectric materials. Subsequently, various methods capable of enhancing the surface charge density of TENGs, including environmental regulation, charge excitation, charge pumping, electrostatic breakdown, charge trapping, and liquid-solid structure are comprehensively reviewed. Lastly, the review is concluded by highlighting the existing challenges in enhancing the surface charge density of TENGs and exploring potential opportunities for future research endeavors in this area.
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Affiliation(s)
- Yu Liang
- School of Mechanical Engineering, Hebei University of Technology, Tianjin, 300401, P. R. China
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing, 100083, P. R. China
| | - Xinyu Xu
- School of Mechanical Engineering, Hebei University of Technology, Tianjin, 300401, P. R. China
- Key Laboratory of Optoelectronic Technology & Systems Ministry of Education, International R & D center of Micro-nano Systems and New Materials Technology, Chongqing University, Chongqing, 400044, P. R. China
| | - Libin Zhao
- School of Mechanical Engineering, Hebei University of Technology, Tianjin, 300401, P. R. China
- Key Laboratory of Advanced Intelligent Protective Equipment Technology, Ministry of Education, Tianjin, 300401, P. R. China
- Key Laboratory of Hebei Province on Scale-span Intelligent Equipment Technology, Hebei University of Technology, Tianjin, 300401, P. R. China
| | - Chenyang Lei
- School of Mechanical Engineering, Hebei University of Technology, Tianjin, 300401, P. R. China
| | - Kejie Dai
- School of Electrical and Mechanical Engineering, Pingdingshan University, Pingdingshan, 467000, P. R. China
| | - Ran Zhuo
- Electric Power Research Institute, China Southern Power Grid Company Ltd., Guangzhou, 510080, P. R. China
| | - Beibei Fan
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing, 100083, P. R. China
| | - E Cheng
- School of Mechanical Engineering, Hebei University of Technology, Tianjin, 300401, P. R. China
| | - Mohsen A Hassan
- Industrial and Manufacturing Department, Faculty of Innovative Design Engineering, Egypt-Japan University for Science and Technology (E-JUST), New Borg Al-Arab City, 21934, Egypt
| | - Lingxiao Gao
- School of Mechanical Engineering, Hebei University of Technology, Tianjin, 300401, P. R. China
| | - Xiaojing Mu
- Key Laboratory of Optoelectronic Technology & Systems Ministry of Education, International R & D center of Micro-nano Systems and New Materials Technology, Chongqing University, Chongqing, 400044, P. R. China
| | - Ning Hu
- School of Mechanical Engineering, Hebei University of Technology, Tianjin, 300401, P. R. China
- State Key Laboratory of Reliability and Intelligence Electrical Equipment, Hebei University of Technology, Tianjin, 300401, P. R. China
| | - Chi Zhang
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing, 100083, P. R. China
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Zhao L, Han J, Zhang X, Wang C. Fish Scale for Wearable, Self-Powered TENG. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:463. [PMID: 38470792 DOI: 10.3390/nano14050463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Revised: 02/28/2024] [Accepted: 03/02/2024] [Indexed: 03/14/2024]
Abstract
Flexible and wearable devices are attracting more and more attention. Herein, we propose a self-powered triboelectric nanogenerator based on the triboelectric effect of fish scales. As the pressure on the nanogenerator increases, the output voltage of the triboelectric nanogenerator increases. The nanogenerator can output a voltage of 7.4 V and a short-circuit current of 0.18 μA under a pressure of 50 N. The triboelectric effect of fish scales was argued to be related to the lamellar structure composed of collagen fiber bundles. The nanogenerator prepared by fish scales can sensitively perceive human activities such as walking, finger tapping, and elbow bending. Moreover, fish scales are a biomass material with good biocompatibility with the body. The fish-scale nanogenerator is a kind of flexible, wearable, and self-powered triboelectric nanogenerator showing great prospects in healthcare and body information monitoring.
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Affiliation(s)
- Liwei Zhao
- Laboratory of Dielectric Functional Materials, School of Materials Science & Engineering, Anhui University, Hefei 230601, China
| | - Jin Han
- Laboratory of Dielectric Functional Materials, School of Materials Science & Engineering, Anhui University, Hefei 230601, China
| | - Xing Zhang
- Laboratory of Dielectric Functional Materials, School of Materials Science & Engineering, Anhui University, Hefei 230601, China
| | - Chunchang Wang
- Laboratory of Dielectric Functional Materials, School of Materials Science & Engineering, Anhui University, Hefei 230601, China
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Wang S, Wu Y, Pu M, Xu M, Zhang R, Yu T, Li X, Ma X, Su Y, Tai H, Guo Y, Luo X. A Versatile Strategy for Concurrent Passive Daytime Radiative Cooling and Sustainable Energy Harvesting. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2305706. [PMID: 37788906 DOI: 10.1002/smll.202305706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 09/06/2023] [Indexed: 10/05/2023]
Abstract
Developing versatile systems that can concurrently achieve energy saving and energy generation is critical to accelerate carbon neutrality. However, challenges on designing highly effective, large scale, and multifunctional photonic film hinder the concurrent combination of passive daytime radiative cooling (PDRC) and utilization of sustainable clean energies. Herein, a versatile scalable photonic film (Ecoflex@h-BN) with washable property and excellent mechanical stability is developed by combining the excellent scattering efficiency of the hexagonal boron nitride (h-BN) nanoplates with the high infrared emissivity and ideal triboelectric negative property of the Ecoflex matrix. Strikingly, sufficiently high solar reflectance (0.92) and ideal emissivity (0.97) endow the Ecoflex@h-BN film with subambient cooling effect of ≈9.5 °C at midday during the continuous outdoor measurements. In addition, the PDRC Ecoflex@h-BN film-based triboelectric nanogenerator (PDRC-TENG) exhibits a maximum peak power density of 0.5 W m-2 . By reasonable structure design, the PDRC-TENG accomplishes effective wind energy harvesting and can successfully drive the electronic device. Meanwhile, an on-skin PDRC-TENG is fabricated to harvest human motion energy and monitor moving states. This research provides a novel design of a multifunctional PDRC photonic film, and offers a versatile strategy to realize concurrent PDRC and sustainable energies harvesting.
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Affiliation(s)
- Si Wang
- State Key Laboratory of Optical Technologies on Nano-Fabrication and Micro-Engineering, Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu, 610209, China
| | - Yingjie Wu
- State Key Laboratory of Optical Technologies on Nano-Fabrication and Micro-Engineering, Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu, 610209, China
- Key Laboratory of Opto-Electronic Technology and Systems of the Education Ministry, College of Opto-electronic Engineering, Chongqing University, Chongqing, 400044, China
| | - Mingbo Pu
- State Key Laboratory of Optical Technologies on Nano-Fabrication and Micro-Engineering, Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu, 610209, China
- Research Center on Vector Optical Fields, Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu, 610209, China
| | - Mingfeng Xu
- State Key Laboratory of Optical Technologies on Nano-Fabrication and Micro-Engineering, Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu, 610209, China
- Research Center on Vector Optical Fields, Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu, 610209, China
| | - Renyan Zhang
- State Key Laboratory of Optical Technologies on Nano-Fabrication and Micro-Engineering, Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu, 610209, China
| | - Tao Yu
- Tianfu Xinglong Lake Laboratory, Chengdu, 610299, China
| | - Xiong Li
- State Key Laboratory of Optical Technologies on Nano-Fabrication and Micro-Engineering, Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu, 610209, China
| | - Xiaoliang Ma
- State Key Laboratory of Optical Technologies on Nano-Fabrication and Micro-Engineering, Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu, 610209, China
| | - Yuanjie Su
- State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China (UESTC), Chengdu, 610054, China
| | - Huiling Tai
- State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China (UESTC), Chengdu, 610054, China
| | - Yongcai Guo
- Key Laboratory of Opto-Electronic Technology and Systems of the Education Ministry, College of Opto-electronic Engineering, Chongqing University, Chongqing, 400044, China
| | - Xiangang Luo
- State Key Laboratory of Optical Technologies on Nano-Fabrication and Micro-Engineering, Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu, 610209, China
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Hu X, Bao X, Zhang M, Fang S, Liu K, Wang J, Liu R, Kim SH, Baughman RH, Ding J. Recent Advances in Carbon Nanotube-Based Energy Harvesting Technologies. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023:e2303035. [PMID: 37209369 DOI: 10.1002/adma.202303035] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Revised: 05/14/2023] [Indexed: 05/22/2023]
Abstract
There has been enormous interest in technologies that generate electricity from ambient energy such as solar, thermal, and mechanical energy, due to their potential for providing sustainable solutions to the energy crisis. One driving force behind the search for new energy-harvesting technologies is the desire to power sensor networks and portable devices without batteries, such as self-powered wearable electronics, human health monitoring systems, and implantable wireless sensors. Various energy harvesting technologies have been demonstrated in recent years. Among them, electrochemical, hydroelectric, triboelectric, piezoelectric, and thermoelectric nanogenerators have been extensively studied because of their special physical properties, ease of application, and sometimes high obtainable efficiency. Multifunctional carbon nanotubes (CNTs) have attracted much interest in energy harvesting because of their exceptionally high gravimetric power outputs and recently obtained high energy conversion efficiencies. Further development of this field, however, still requires an in-depth understanding of harvesting mechanisms and boosting of the electrical outputs for wider applications. Here, various CNT-based energy harvesting technologies are comprehensively reviewed, focusing on working principles, typical examples, and future improvements. The last section discusses the existing challenges and future directions of CNT-based energy harvesters.
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Affiliation(s)
- Xinghao Hu
- Institute of Intelligent Flexible Mechatronics & School of Mechanical Engineering, Jiangsu University, Zhenjiang, 212013, P. R. China
| | - Xianfu Bao
- Institute of Intelligent Flexible Mechatronics & School of Mechanical Engineering, Jiangsu University, Zhenjiang, 212013, P. R. China
| | - Mengmeng Zhang
- Alan G. MacDiarmid NanoTech Institute, University of Texas at Dallas, Richardson, TX, 75080, USA
| | - Shaoli Fang
- Alan G. MacDiarmid NanoTech Institute, University of Texas at Dallas, Richardson, TX, 75080, USA
| | - Kangyu Liu
- Institute of Intelligent Flexible Mechatronics & School of Mechanical Engineering, Jiangsu University, Zhenjiang, 212013, P. R. China
| | - Jian Wang
- Institute of Intelligent Flexible Mechatronics & School of Mechanical Engineering, Jiangsu University, Zhenjiang, 212013, P. R. China
| | - Runmin Liu
- Institute of Intelligent Flexible Mechatronics & School of Mechanical Engineering, Jiangsu University, Zhenjiang, 212013, P. R. China
| | - Shi Hyeong Kim
- Department of Advanced Textile R&D, Korea Institute of Industrial Technology, Ansan-si, Gyeonggi-do, 15588, Republic of Korea
| | - Ray H Baughman
- Alan G. MacDiarmid NanoTech Institute, University of Texas at Dallas, Richardson, TX, 75080, USA
| | - Jianning Ding
- Institute of Intelligent Flexible Mechatronics & School of Mechanical Engineering, Jiangsu University, Zhenjiang, 212013, P. R. China
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Patnam H, Graham SA, Manchi P, Paranjape MV, Yu JS. Single-Electrode Triboelectric Nanogenerators Based on Ionic Conductive Hydrogel for Mechanical Energy Harvester and Smart Touch Sensor Applications. ACS APPLIED MATERIALS & INTERFACES 2023; 15:16768-16777. [PMID: 36973637 DOI: 10.1021/acsami.3c00386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Recent advancements in wearable electronic technology demand advanced power sources to be flexible, deformable, durable, and sustainable. An ionic-solution-modified conductive hydrogel-based triboelectric nanogenerator (TENG) has advantages in wearable devices. However, fabricating a conductive hydrogel with better mechanical and electrical properties is still a challenge. Herein, a simple approach is developed to insert ion-rich pores inside the hydrogel, followed by ionic solution soaking. The suggested ionic conductive hydrogel is obtained by cross-linking the polyvinyl alcohol (PVA) hydrogel and carboxymethyl cellulose sodium salt (CMC), followed by soaking in the ionic solution. Furthermore, a flexible and shape-adaptable single-electrode TENG (S-TENG) is fabricated by combinations of ionic-solution-modified dual-cross-linked CMC/PVA hydrogel and silicone rubber. Additionally, the effects of the CMC concentration, type of ionic solution, and concentration of optimized ionic solutions on the hydrogel properties and S-TENG output performance are studied systematically. The well-dispersed CMC- and PVA-based hydrogel provides ion-rich pores with high ion migration, leading to enhanced conductivity. The fabricated S-TENG delivers maximum output performance in terms of voltage, current, and charge density of ∼584 V, 25 μA, and 120 μC/m2, respectively. The rectified S-TENG-generated energy is used to charge capacitors and to power a portable electronic display. In addition to energy harvesting, the S-TENG is successfully demonstrated as a touch sensor that can automatically control the light and the speaker based on human motions. This investigation provides a deep insight into the influence of the hydrogel on the device performance and gives a guidance for designing and fabrication of highly flexible and stretchable TENGs.
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Affiliation(s)
- Harishkumarreddy Patnam
- Department of Electronics and Information Convergence Engineering, Institute for Wearable Convergence Electronics, Kyung Hee University, 1732 Deogyeong-daero, Giheung-gu, Yongin-Si, Gyeonggi-do 17104, Republic of Korea
| | - Sontyana Adonijah Graham
- Department of Electronics and Information Convergence Engineering, Institute for Wearable Convergence Electronics, Kyung Hee University, 1732 Deogyeong-daero, Giheung-gu, Yongin-Si, Gyeonggi-do 17104, Republic of Korea
| | - Punnarao Manchi
- Department of Electronics and Information Convergence Engineering, Institute for Wearable Convergence Electronics, Kyung Hee University, 1732 Deogyeong-daero, Giheung-gu, Yongin-Si, Gyeonggi-do 17104, Republic of Korea
| | - Mandar Vasant Paranjape
- Department of Electronics and Information Convergence Engineering, Institute for Wearable Convergence Electronics, Kyung Hee University, 1732 Deogyeong-daero, Giheung-gu, Yongin-Si, Gyeonggi-do 17104, Republic of Korea
| | - Jae Su Yu
- Department of Electronics and Information Convergence Engineering, Institute for Wearable Convergence Electronics, Kyung Hee University, 1732 Deogyeong-daero, Giheung-gu, Yongin-Si, Gyeonggi-do 17104, Republic of Korea
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6
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Cheng K, Huang Z, Wang P, Sun L, Ghasemi H, Ardebili H, Karim A. Antibacterial flexible triboelectric nanogenerator via capillary force lithography. J Colloid Interface Sci 2023; 630:611-622. [DOI: 10.1016/j.jcis.2022.10.129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 10/03/2022] [Accepted: 10/25/2022] [Indexed: 11/06/2022]
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7
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Liu W, Duo Y, Liu J, Yuan F, Li L, Li L, Wang G, Chen B, Wang S, Yang H, Liu Y, Mo Y, Wang Y, Fang B, Sun F, Ding X, Zhang C, Wen L. Touchless interactive teaching of soft robots through flexible bimodal sensory interfaces. Nat Commun 2022; 13:5030. [PMID: 36028481 PMCID: PMC9412806 DOI: 10.1038/s41467-022-32702-5] [Citation(s) in RCA: 38] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Accepted: 08/12/2022] [Indexed: 11/09/2022] Open
Abstract
In this paper, we propose a multimodal flexible sensory interface for interactively teaching soft robots to perform skilled locomotion using bare human hands. First, we develop a flexible bimodal smart skin (FBSS) based on triboelectric nanogenerator and liquid metal sensing that can perform simultaneous tactile and touchless sensing and distinguish these two modes in real time. With the FBSS, soft robots can react on their own to tactile and touchless stimuli. We then propose a distance control method that enabled humans to teach soft robots movements via bare hand-eye coordination. The results showed that participants can effectively teach a self-reacting soft continuum manipulator complex motions in three-dimensional space through a "shifting sensors and teaching" method within just a few minutes. The soft manipulator can repeat the human-taught motions and replay them at different speeds. Finally, we demonstrate that humans can easily teach the soft manipulator to complete specific tasks such as completing a pen-and-paper maze, taking a throat swab, and crossing a barrier to grasp an object. We envision that this user-friendly, non-programmable teaching method based on flexible multimodal sensory interfaces could broadly expand the domains in which humans interact with and utilize soft robots.
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Affiliation(s)
- Wenbo Liu
- School of Mechanical Engineering and Automation, Beihang University, Beijing, 100191, China
| | - Youning Duo
- School of Mechanical Engineering and Automation, Beihang University, Beijing, 100191, China
| | - Jiaqi Liu
- School of Mechanical Engineering and Automation, Beihang University, Beijing, 100191, China
| | - Feiyang Yuan
- School of Mechanical Engineering and Automation, Beihang University, Beijing, 100191, China
| | - Lei Li
- School of Mechanical Engineering and Automation, Beihang University, Beijing, 100191, China
| | - Luchen Li
- School of Mechanical Engineering and Automation, Beihang University, Beijing, 100191, China
| | - Gang Wang
- School of Mechanical Engineering and Automation, Beihang University, Beijing, 100191, China
| | - Bohan Chen
- School of Mechanical Engineering and Automation, Beihang University, Beijing, 100191, China
| | - Siqi Wang
- School of Mechanical Engineering and Automation, Beihang University, Beijing, 100191, China
| | - Hui Yang
- Institute of Semiconductors, Guangdong Academy of Sciences, Guangdong, 510075, China
| | - Yuchen Liu
- School of General Engineering, Beihang University, Beijing, 100191, China
| | - Yanru Mo
- School of General Engineering, Beihang University, Beijing, 100191, China
| | - Yun Wang
- School of Mechanical Engineering and Automation, Beihang University, Beijing, 100191, China
| | - Bin Fang
- Tsinghua National Laboratory for Information Science and Technology, Department of Computer Science and Technology, Tsinghua University, Beijing, 100084, China
| | - Fuchun Sun
- Tsinghua National Laboratory for Information Science and Technology, Department of Computer Science and Technology, Tsinghua University, Beijing, 100084, China
| | - Xilun Ding
- School of Mechanical Engineering and Automation, Beihang University, Beijing, 100191, China
| | - Chi Zhang
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-Nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing, 101400, China.,School of Nanoscience and Technology, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Li Wen
- School of Mechanical Engineering and Automation, Beihang University, Beijing, 100191, China.
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Kumar V, Kumar P, Deka R, Abbas Z, Mobin SM. Recent Development of Morphology-Controlled Hybrid Nanomaterials for Triboelectric Nanogenerator: A Review. CHEM REC 2022; 22:e202200067. [PMID: 35686889 DOI: 10.1002/tcr.202200067] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Revised: 05/24/2022] [Indexed: 11/09/2022]
Abstract
Being cognizant of modern electronic devices, the scientists are continuing to investigate renewable green-energy resources for a decade. Amid different energy harvesting systems, the triboelectric nanogenerators (TENGs) have been found to be the most promising mechanical harvesting technology and have drawn attention to generate electrical energy. Thanks to its instant output power, choice to opt for wide-ranging materials, low maintenance cost, easy fabrication process and environmentally friendly nature. Due to numerous working modes of TENGs, it is dedicated to desired application at ambient conditions. In this review, an advance correlation of TENGs have been explained based on the variety of nanostructures, including 0D, 1D, 2D, 3D, metal organic frameworks (MOFs), coordination polymers (CPs), covalent organic frameworks (COFs), and perovskite materials. Moreover, an overview of previous and current perspectives of various nanomaterials, synthesis, fabrication and their applications in potential fields have been discussed in detail.
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Affiliation(s)
- Viresh Kumar
- Department of Chemistry, Indian Institute of Technology, Indore, Simrol, Khandwa Road, Indore 453552, India
| | - Praveen Kumar
- Department of Chemistry, Indian Institute of Technology, Indore, Simrol, Khandwa Road, Indore 453552, India
| | - Rakesh Deka
- Department of Chemistry, Indian Institute of Technology, Indore, Simrol, Khandwa Road, Indore 453552, India
| | - Zahir Abbas
- Department of Chemistry, Indian Institute of Technology, Indore, Simrol, Khandwa Road, Indore 453552, India
| | - Shaikh M Mobin
- Department of Chemistry, Indian Institute of Technology, Indore, Simrol, Khandwa Road, Indore 453552, India.,Department of Bioscience and Bio-Medical Engineering, Indian Institute of Technology, Indore, Simrol, Khandwa Road, Indore 453552, India.,Center for Electric Vehicle and Intelligent Transport Systems, Indian Institute of Technology, Indore, Simrol, Khandwa Road, Indore 453552, India
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9
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Zhang R, Olin H. Advances in Inorganic Nanomaterials for Triboelectric Nanogenerators. ACS NANOSCIENCE AU 2022; 2:12-31. [PMID: 35211696 PMCID: PMC8861933 DOI: 10.1021/acsnanoscienceau.1c00026] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 10/11/2021] [Accepted: 10/12/2021] [Indexed: 11/28/2022]
Abstract
Triboelectric nanogenerators (TENGs) that utilize triboelectrification and electrostatic induction to convert mechanical energy to electricity have attracted increasing interest in the last 10 years. As a universal physical phenomenon, triboelectrification can occur between any two surfaces that experience physical contact and separation regardless of the type of material. For this reason, many materials, including both organic and inorganic materials, have been studied in TENGs with different purposes. Although organic polymers are mainly used as triboelectric materials in TENGs, the application of inorganic nanomaterials has also been intensively studied because of their unique dielectric, electric, piezoelectric, and optical properties, which can improve the performance of TENGs. A review of how inorganic nanomaterials are used in TENGs would help researchers gain an overview of the progress in this area. Here, we present a review to summarize how inorganic nanomaterials are utilized in TENGs based on the roles, types, and characteristics of the nanomaterials.
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Affiliation(s)
- Renyun Zhang
- Department of Natural Sciences, Mid Sweden University, SE85170 Sundsvall, Sweden
| | - Håkan Olin
- Department of Natural Sciences, Mid Sweden University, SE85170 Sundsvall, Sweden
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Chen X, Li J, Liu Y, Jiang J, Zhao C, Zhao C, Lim EG, Sun X, Wen Z. An Integrated Self-Powered Real-Time Pedometer System with Ultrafast Response and High Accuracy. ACS APPLIED MATERIALS & INTERFACES 2021; 13:61789-61798. [PMID: 34904819 DOI: 10.1021/acsami.1c19734] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
As accurate step counting is a critical indicator for exercise evaluation in daily life, pedometers give a quantitative prediction of steps and analyze the amount of exercise to regulate the exercise plan. However, the merchandized pedometers still suffer from limited battery life and low accuracy. In this work, an integrated self-powered real-time pedometer system has been demonstrated. The highly integrated system contains a porous triboelectric nanogenerator (P-TENG), a data acquisition and processing (DAQP) module, and a mobile phone APP. The P-TENG works as a pressure sensor that generates electrical signals synchronized with users' footsteps, and combining it with the analogue front-end (AFE) circuit yields an ultrafast response time of 8 ms. Moreover, the combination of a mini press-to-spin-type electromagnetic generator (EMG) and a supercapacitor enables a self-powered and self-sustained operation of the entire pedometer system. This work implements the regulation of TENG signals by electronic circuit design and proposes a highly integrated system. The improved reliability and practicality provide more possibilities for wearable self-powered electronic devices.
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Affiliation(s)
- Xiaoping Chen
- Institute of Functional Nano and Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices, Soochow University, Suzhou 215123, China
- Department of Applied Mathematics, School of Science, Xi'an Jiaotong-Liverpool University, Suzhou 215123, China
| | - Junyan Li
- Department of Applied Mathematics, School of Science, Xi'an Jiaotong-Liverpool University, Suzhou 215123, China
| | - Yina Liu
- Department of Applied Mathematics, School of Science, Xi'an Jiaotong-Liverpool University, Suzhou 215123, China
| | - Jinxing Jiang
- Institute of Functional Nano and Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices, Soochow University, Suzhou 215123, China
| | - Chun Zhao
- Department of Electrical and Electronic Engineering, School of Advanced Technology, Xi'an Jiaotong-Liverpool University, Suzhou 215123, China
| | - Cezhou Zhao
- Department of Electrical and Electronic Engineering, School of Advanced Technology, Xi'an Jiaotong-Liverpool University, Suzhou 215123, China
| | - Eng Gee Lim
- Department of Electrical and Electronic Engineering, School of Advanced Technology, Xi'an Jiaotong-Liverpool University, Suzhou 215123, China
| | - Xuhui Sun
- Institute of Functional Nano and Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices, Soochow University, Suzhou 215123, China
| | - Zhen Wen
- Institute of Functional Nano and Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices, Soochow University, Suzhou 215123, China
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11
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Tao X, Zhou Y, Qi K, Guo C, Dai Y, He J, Dai Z. Wearable textile triboelectric generator based on nanofiber core-spun yarn coupled with electret effect. J Colloid Interface Sci 2021; 608:2339-2346. [PMID: 34774315 DOI: 10.1016/j.jcis.2021.10.151] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Revised: 10/24/2021] [Accepted: 10/25/2021] [Indexed: 01/01/2023]
Abstract
Flexible triboelectric generators present a wide range of prospective applications owing to their small size, light weight, and wearability; in addition, they can convert external mechanical energy into electrical energy to provide an energy supply for wearable electronic products. In this study, a wearable textile triboelectric generator was developed by weaving polyurethane (PU) nanofiber core-spun yarn and Si3N4-electret-doped polyvinylidene fluoride (PVDF) nanofiber core-spun yarn into a double-layer fabric. Within the double-layer fabric, one layer was Si3N4-doped PVDF (denoted as Si3N4@PVDF) nanofiber fabric, and the other was PU nanofiber fabric. When subjected to an external mechanical force, PU nanofiber fabric and Si3N4@PVDF nanofiber fabric came into contact and were able to convert external mechanical energy into electrical energy. The most notable instantaneous electrical performance of this triboelectric nanogenerator was open circuit voltage of 71 V, short-circuit current of 0.7 μA, and output power of 56 μW. Additionally, the wearable textile triboelectric generator exhibited superior washability, stability, and cycle durability. More significantly, it was capable of driving some low-consumption electronic products, including capacitors, LED bulbs, and digital meters, thereby exhibiting a strong potential for flexible self-powered electronic devices and intelligent textiles.
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Affiliation(s)
- Xuejiao Tao
- Textile and Garment Industry Research Institute, Zhongyuan University of Technology, Zhengzhou 450007, People's Republic of China; School of Textile Science and Engineering, Tiangong University, Tianjin 300387, People's Republic of China
| | - Yuman Zhou
- Textile and Garment Industry Research Institute, Zhongyuan University of Technology, Zhengzhou 450007, People's Republic of China; Henan International Joint Laboratory of new textile materials and textiles, Zhongyuan University of Technology, Zhengzhou 450007, People's Republic of China.
| | - Kun Qi
- Textile and Garment Industry Research Institute, Zhongyuan University of Technology, Zhengzhou 450007, People's Republic of China; Henan International Joint Laboratory of new textile materials and textiles, Zhongyuan University of Technology, Zhengzhou 450007, People's Republic of China
| | - Chaozhong Guo
- Textile and Garment Industry Research Institute, Zhongyuan University of Technology, Zhengzhou 450007, People's Republic of China; Henan International Joint Laboratory of new textile materials and textiles, Zhongyuan University of Technology, Zhengzhou 450007, People's Republic of China
| | - Yunling Dai
- Textile and Garment Industry Research Institute, Zhongyuan University of Technology, Zhengzhou 450007, People's Republic of China; Henan International Joint Laboratory of new textile materials and textiles, Zhongyuan University of Technology, Zhengzhou 450007, People's Republic of China
| | - Jianxin He
- Textile and Garment Industry Research Institute, Zhongyuan University of Technology, Zhengzhou 450007, People's Republic of China; Henan International Joint Laboratory of new textile materials and textiles, Zhongyuan University of Technology, Zhengzhou 450007, People's Republic of China.
| | - Zhao Dai
- School of Textile Science and Engineering, Tiangong University, Tianjin 300387, People's Republic of China
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12
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Nurmakanov Y, Kalimuldina G, Nauryzbayev G, Adair D, Bakenov Z. Structural and Chemical Modifications Towards High-Performance of Triboelectric Nanogenerators. NANOSCALE RESEARCH LETTERS 2021; 16:122. [PMID: 34328566 PMCID: PMC8324689 DOI: 10.1186/s11671-021-03578-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Accepted: 07/21/2021] [Indexed: 06/01/2023]
Abstract
Harvesting abundant mechanical energy has been considered one of the promising technologies for developing autonomous self-powered active sensors, power units, and Internet-of-Things devices. Among various energy harvesting technologies, the triboelectric harvesters based on contact electrification have recently attracted much attention because of their advantages such as high performance, light weight, and simple design. Since the first triboelectric energy-harvesting device was reported, the continuous investigations for improving the output power have been carried out. This review article covers various methods proposed for the performance enhancement of triboelectric nanogenerators (TENGs), such as a triboelectric material selection, surface modification through the introduction of micro-/nano-patterns, and surface chemical functionalization, injecting charges, and their trapping. The main purpose of this work is to highlight and summarize recent advancements towards enhancing the TENG technology performance through implementing different approaches along with their potential applications. This paper presents a comprehensive review of the TENG technology and its factors affecting the output power as material selection, surface physical and chemical modification, charge injection, and trapping techniques.
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Affiliation(s)
- Yerzhan Nurmakanov
- School of Engineering and Digital Sciences, Nazarbayev University, Kabanbay Batyr Ave. 53, Nur-Sultan, 010000, Kazakhstan
| | - Gulnur Kalimuldina
- Department of Mechanical and Aerospace Engineering, School of Engineering and Digital Sciences, Nazarbayev University, Kabanbay Batyr Ave. 53, Nur-Sultan, 010000, Kazakhstan.
| | - Galymzhan Nauryzbayev
- Department of Electrical and Computer Engineering, School of Engineering and Digital Sciences, Nazarbayev University, Kabanbay Batyr Ave. 53, Nur-Sultan, 010000, Kazakhstan
| | - Desmond Adair
- Department of Mechanical and Aerospace Engineering, School of Engineering and Digital Sciences, Nazarbayev University, Kabanbay Batyr Ave. 53, Nur-Sultan, 010000, Kazakhstan
| | - Zhumabay Bakenov
- Department of Chemical and Materials Engineering, School of Engineering and Digital Sciences, Nazarbayev University, Kabanbay Batyr Ave. 53, Nur-Sultan, 010000, Kazakhstan.
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13
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Luo H, Gu G, Shang W, Zhang W, Wang T, Cui P, Zhang B, Guo J, Cheng G, Du Z. The water droplet with huge charge density excited by triboelectric nanogenerator for water sterilization. NANOTECHNOLOGY 2021; 32:415404. [PMID: 34233313 DOI: 10.1088/1361-6528/ac121e] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Accepted: 07/07/2021] [Indexed: 06/13/2023]
Abstract
Water is one of the most essential resources for the survival of human beings and all other living things. For the point of daily use, water sterilization has enormous social and economic significance, especially for remote and undeveloped areas. Here, we developed a self-powered water sterilization device, which consists of a rotating-disk freestanding triboelectric-layer mode triboelectric nanogenerator (RF-TENG), a voltage-multiplying circuit, and a water droplet control system. The output voltage of the RF-TENG is boosted by a voltage-multiplying circuit and then utilized to charge water droplet. When the rotation rate of the RF-TENG is 300 rpm, the output voltage of a six-fold voltage-multiplying circuit can reach 9319 V, and a 62.50μl water droplet can be positively charged to 6320 nC at the flow rate of 0.31 ml min-1. The charge density and electric filed of the water droplet can reach 101.12 nCμl-1and 11.28 kV cm-1, respectively. The charged water droplet can killE. coliandS. aureusquickly and efficiently through electroporation mechanism. With the advantages of low cost, simple in fabrication and usage, portability, and etc, the self-powered water sterilization device has wide application prospects in remote and undeveloped areas.
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Affiliation(s)
- Hongchun Luo
- Key Lab for Special Functional Materials of Ministry of Education, National & Local Joint Engineering Research Center for High-efficiency Display and Lighting Technology, Collaborative Innovation Center of Nano Functional Materials and Applications, School of Materials Science and Engineering, Henan University, Kaifeng, 475004, People's Republic of China
| | - Guangqin Gu
- Key Lab for Special Functional Materials of Ministry of Education, National & Local Joint Engineering Research Center for High-efficiency Display and Lighting Technology, Collaborative Innovation Center of Nano Functional Materials and Applications, School of Materials Science and Engineering, Henan University, Kaifeng, 475004, People's Republic of China
| | - Wanyu Shang
- Key Lab for Special Functional Materials of Ministry of Education, National & Local Joint Engineering Research Center for High-efficiency Display and Lighting Technology, Collaborative Innovation Center of Nano Functional Materials and Applications, School of Materials Science and Engineering, Henan University, Kaifeng, 475004, People's Republic of China
| | - Wenhe Zhang
- Key Lab for Special Functional Materials of Ministry of Education, National & Local Joint Engineering Research Center for High-efficiency Display and Lighting Technology, Collaborative Innovation Center of Nano Functional Materials and Applications, School of Materials Science and Engineering, Henan University, Kaifeng, 475004, People's Republic of China
| | - Tingyu Wang
- Key Lab for Special Functional Materials of Ministry of Education, National & Local Joint Engineering Research Center for High-efficiency Display and Lighting Technology, Collaborative Innovation Center of Nano Functional Materials and Applications, School of Materials Science and Engineering, Henan University, Kaifeng, 475004, People's Republic of China
| | - Peng Cui
- Key Lab for Special Functional Materials of Ministry of Education, National & Local Joint Engineering Research Center for High-efficiency Display and Lighting Technology, Collaborative Innovation Center of Nano Functional Materials and Applications, School of Materials Science and Engineering, Henan University, Kaifeng, 475004, People's Republic of China
| | - Bao Zhang
- Key Lab for Special Functional Materials of Ministry of Education, National & Local Joint Engineering Research Center for High-efficiency Display and Lighting Technology, Collaborative Innovation Center of Nano Functional Materials and Applications, School of Materials Science and Engineering, Henan University, Kaifeng, 475004, People's Republic of China
| | - Junmeng Guo
- Key Lab for Special Functional Materials of Ministry of Education, National & Local Joint Engineering Research Center for High-efficiency Display and Lighting Technology, Collaborative Innovation Center of Nano Functional Materials and Applications, School of Materials Science and Engineering, Henan University, Kaifeng, 475004, People's Republic of China
| | - Gang Cheng
- Key Lab for Special Functional Materials of Ministry of Education, National & Local Joint Engineering Research Center for High-efficiency Display and Lighting Technology, Collaborative Innovation Center of Nano Functional Materials and Applications, School of Materials Science and Engineering, Henan University, Kaifeng, 475004, People's Republic of China
| | - Zuliang Du
- Key Lab for Special Functional Materials of Ministry of Education, National & Local Joint Engineering Research Center for High-efficiency Display and Lighting Technology, Collaborative Innovation Center of Nano Functional Materials and Applications, School of Materials Science and Engineering, Henan University, Kaifeng, 475004, People's Republic of China
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14
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Ayucitra A, Angkawijaya AE, Ju Y, Gunarto C, Go AW, Ismadji S. Graphene oxide‐carboxymethyl cellulose hydrogel beads for uptake and release study of doxorubicin. ASIA-PAC J CHEM ENG 2021. [DOI: 10.1002/apj.2646] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Aning Ayucitra
- Department of Chemical Engineering National Taiwan University of Science and Technology Taipei Taiwan
- Department of Chemical Engineering Widya Mandala Surabaya Catholic University Surabaya Indonesia
| | - Artik Elisa Angkawijaya
- Graduate Institute of Applied Science and Technology National Taiwan University of Science and Technology Taipei Taiwan
| | - Yi‐Hsu Ju
- Department of Chemical Engineering National Taiwan University of Science and Technology Taipei Taiwan
- Graduate Institute of Applied Science and Technology National Taiwan University of Science and Technology Taipei Taiwan
- Taiwan Building Technology Center National Taiwan University of Science and Technology Taipei Taiwan
| | - Chintya Gunarto
- Department of Chemical Engineering National Taiwan University of Science and Technology Taipei Taiwan
- Department of Chemical Engineering Widya Mandala Surabaya Catholic University Surabaya Indonesia
| | - Alchris Woo Go
- Graduate Institute of Applied Science and Technology National Taiwan University of Science and Technology Taipei Taiwan
| | - Suryadi Ismadji
- Department of Chemical Engineering National Taiwan University of Science and Technology Taipei Taiwan
- Department of Chemical Engineering Widya Mandala Surabaya Catholic University Surabaya Indonesia
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15
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Srither SR, Dhineshbabu NR, Shankar Rao DS, Krishna Prasad S, Dahlsten O, Bose S. Transparent Triboelectric Nanogenerator Based on Thermoplastic Polyurethane Films. JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY 2021; 21:3072-3080. [PMID: 33653482 DOI: 10.1166/jnn.2021.19143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
This study aims at investigating flexible and transparent thermoplastic polyurethane (TPU) as a novel material for triboelectric nanogenerator (TENG) devices with a polyethylene terephthalate layer. Devices having TPU-either as a flat film or as electrospun micrometer-dimension fibers with varying concentrations of TPU-were tested. The best output performing device provided 21.4 V and 23 μA as open-circuit voltage and short-circuit current respectively, with the application of a small force of 0.33 N indicating the high efficiency of the device. Devices with flat films-obtained using the doctor-blade (DB) technique-have high transparency (80%) as well as high TENG output. The topography of the TPU layer, characterized by atomic force microscopy, reveals nanoscale roughness of the film surface. Finally, we demonstrate that gentle hand tapping on the TENG device can power upto 11 light-emitting diodes (LEDs). The high transparency, lightweight, simple fabrication, flexibility, and robust features of such device make it an added value for various optoelectronic applications.
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Affiliation(s)
- S R Srither
- Centre for Nano and Soft Matter Sciences, Bengaluru 560013, India
| | - N R Dhineshbabu
- Department of Materials Engineering, Indian Institute of Science, Bengaluru 560012, India
| | - D S Shankar Rao
- Centre for Nano and Soft Matter Sciences, Bengaluru 560013, India
| | - S Krishna Prasad
- Centre for Nano and Soft Matter Sciences, Bengaluru 560013, India
| | - Oscar Dahlsten
- Department of Physics, Southern University of Science and Technology, Shenzhen 518055, China
| | - Suryasarathi Bose
- Department of Materials Engineering, Indian Institute of Science, Bengaluru 560012, India
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A Self-Powered Basketball Training Sensor Based on Triboelectric Nanogenerator. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app11083506] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
During the basketball training for beginner children, sensors are needed to count the number of times the basketball hits the target area in a certain period of time to evaluate the training effect. This study proposes a self-powered basketball training sensor, based on a triboelectric nanogenerator. The designed sensor with a rectangular floor shape will output a pulse signal with the same frequency as the basketball impact to achieve the measurement function through the mutual contact of the internal copper (Cu) and polytetrafluoroethylene (PTFE). Test results show that the working frequency of the sensor is 0 to 5 Hz, the working environment temperature should be less than 75 °C, the working environment humidity should be less than 95%, and which has high reliability. Further tests show that the maximum output voltage, current, and power of the sensor can reach about 52 V, 4 uA, and 26.5 uW with a 10 MΩ resistance in series, respectively, and the output power can light up 12 light-emitting diode (LED) lights in real-time. Compared with the traditional statistical method of manual observation, the sensor can automatically count data in a self-powered manner, and also can light up the LED lights in real-time as an indicator of whether the basketball impacts the target area, to remind beginner children in real-time.
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17
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Hwang HJ, Yeon JS, Jung Y, Park HS, Choi D. Extremely Foldable and Highly Porous Reduced Graphene Oxide Films for Shape-Adaptive Triboelectric Nanogenerators. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e1903089. [PMID: 32243069 DOI: 10.1002/smll.201903089] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Revised: 11/25/2019] [Accepted: 03/04/2020] [Indexed: 06/11/2023]
Abstract
Here, a thin and foldable porous reduced graphene oxide (rGO) fabricated by a solvent casting method (SC-rGO) is introduced. The SC-rGO is superior to aluminum as a positive triboelectric material in triboelectric nanogenerators (TENGs), significantly enhancing TENG output performance. The film shows extremely foldable features, where it could be folded by 1/16 size. The electrical properties and device performance of SC-rGO are optimized varying thicknesses from 5 to 30 µm. A 30 µm thick TENG with a non-annealed SC-rGO film (STENG) shows the highest output of about 255 µW cm-2 due to its high carrier concentration, low work function, and high surface area. After annealing, STENG performance is optimized with a 10 µm thick SC-rGO because their work functions decreases, while the corresponding carrier concentrations decrease according to the thickness of the SC-rGO films. The SC-rGO films are highly durable and stable, where their output and conductivity show negligible changes after 100 000 cycles of mechanical deformation. A large SC-rGO with a size of 13 × 3 cm2 is fabricated and is attached inside a person's arm to demonstrate the shape-adaptive characteristics. Consequently, 170 V is obtained and it turns on 19 green light emitting diodes by simply touching the STENG.
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Affiliation(s)
- Hee Jae Hwang
- Department of Mechanical Engineering, Kyung Hee University, Yongin-si, 17104, South Korea
| | - Jeong Seok Yeon
- School of Chemical Engineering, Sungkyunkwan University (SKKU), 2066 Seobu-ro, Jangan-gu, Suwon-si, Gyeonggi-do, 16419, South Korea
| | - Yeonseok Jung
- Department of Mechanical Engineering, Kyung Hee University, Yongin-si, 17104, South Korea
| | - Ho Seok Park
- School of Chemical Engineering, Sungkyunkwan University (SKKU), 2066 Seobu-ro, Jangan-gu, Suwon-si, Gyeonggi-do, 16419, South Korea
| | - Dukhyun Choi
- Department of Mechanical Engineering, Kyung Hee University, Yongin-si, 17104, South Korea
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Hybridized Nanogenerators for Multifunctional Self-Powered Sensing: Principles, Prototypes, and Perspectives. iScience 2020; 23:101813. [PMID: 33305177 PMCID: PMC7708823 DOI: 10.1016/j.isci.2020.101813] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Sensors are a key component of the Internet of Things (IoTs) to collect information of environments or objects. Considering the tremendous number and complex working conditions of sensors, multifunction and self-powered feathers are two basic requirements. Nanogenerators are a kind of devices based on the triboelectric, piezoelectric, or pyroelectric effects to harvest ambient energy and then converting to electricity. The hybridized nanogenerators that combined multiple effects in one device have great potential in multifunctional self-powered sensors because of the unique superiority such as generating electrical signals directly, responding to diverse stimuli, etc. This review aims at introducing the latest advancements of hybridized nanogenerators for multifunctional self-powered sensing. Firstly, the principles and sensor prototypes based on TENG are summarized. To avoid signal interference and energy insufficiently, the multifunctional self-powered sensors based on hybridized nanogenerators are reviewed. At last, the challenges and future development of multifunctional self-powered sensors have prospected.
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19
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Wen F, Sun Z, He T, Shi Q, Zhu M, Zhang Z, Li L, Zhang T, Lee C. Machine Learning Glove Using Self-Powered Conductive Superhydrophobic Triboelectric Textile for Gesture Recognition in VR/AR Applications. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2020; 7:2000261. [PMID: 32714750 PMCID: PMC7375248 DOI: 10.1002/advs.202000261] [Citation(s) in RCA: 116] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Revised: 02/22/2020] [Indexed: 05/18/2023]
Abstract
The rapid progress of Internet of things (IoT) technology raises an imperative demand on human machine interfaces (HMIs) which provide a critical linkage between human and machines. Using a glove as an intuitive and low-cost HMI can expediently track the motions of human fingers, resulting in a straightforward communication media of human-machine interactions. When combining several triboelectric textile sensors and proper machine learning technique, it has great potential to realize complex gesture recognition with the minimalist-designed glove for the comprehensive control in both real and virtual space. However, humidity or sweat may negatively affect the triboelectric output as well as the textile itself. Hence, in this work, a facile carbon nanotubes/thermoplastic elastomer (CNTs/TPE) coating approach is investigated in detail to achieve superhydrophobicity of the triboelectric textile for performance improvement. With great energy harvesting and human motion sensing capabilities, the glove using the superhydrophobic textile realizes a low-cost and self-powered interface for gesture recognition. By leveraging machine learning technology, various gesture recognition tasks are done in real time by using gestures to achieve highly accurate virtual reality/augmented reality (VR/AR) controls including gun shooting, baseball pitching, and flower arrangement, with minimized effect from sweat during operation.
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Affiliation(s)
- Feng Wen
- Department of Electrical & Computer EngineeringNational University of Singapore4 Engineering Drive 3Singapore117576Singapore
- National University of Singapore Suzhou Research Institute (NUSRI)Suzhou Industrial ParkSuzhou215123China
- Center for Intelligent Sensors and MEMSNational University of Singapore5 Engineering Drive 1Singapore117608Singapore
- Hybrid Integrated Flexible Electronic Systems (HIFES)5 Engineering Drive 1Singapore117608Singapore
| | - Zhongda Sun
- Department of Electrical & Computer EngineeringNational University of Singapore4 Engineering Drive 3Singapore117576Singapore
- National University of Singapore Suzhou Research Institute (NUSRI)Suzhou Industrial ParkSuzhou215123China
- Center for Intelligent Sensors and MEMSNational University of Singapore5 Engineering Drive 1Singapore117608Singapore
- Hybrid Integrated Flexible Electronic Systems (HIFES)5 Engineering Drive 1Singapore117608Singapore
| | - Tianyiyi He
- Department of Electrical & Computer EngineeringNational University of Singapore4 Engineering Drive 3Singapore117576Singapore
- National University of Singapore Suzhou Research Institute (NUSRI)Suzhou Industrial ParkSuzhou215123China
- Center for Intelligent Sensors and MEMSNational University of Singapore5 Engineering Drive 1Singapore117608Singapore
- Hybrid Integrated Flexible Electronic Systems (HIFES)5 Engineering Drive 1Singapore117608Singapore
| | - Qiongfeng Shi
- Department of Electrical & Computer EngineeringNational University of Singapore4 Engineering Drive 3Singapore117576Singapore
- National University of Singapore Suzhou Research Institute (NUSRI)Suzhou Industrial ParkSuzhou215123China
- Center for Intelligent Sensors and MEMSNational University of Singapore5 Engineering Drive 1Singapore117608Singapore
- Hybrid Integrated Flexible Electronic Systems (HIFES)5 Engineering Drive 1Singapore117608Singapore
| | - Minglu Zhu
- Department of Electrical & Computer EngineeringNational University of Singapore4 Engineering Drive 3Singapore117576Singapore
- National University of Singapore Suzhou Research Institute (NUSRI)Suzhou Industrial ParkSuzhou215123China
- Center for Intelligent Sensors and MEMSNational University of Singapore5 Engineering Drive 1Singapore117608Singapore
- Hybrid Integrated Flexible Electronic Systems (HIFES)5 Engineering Drive 1Singapore117608Singapore
| | - Zixuan Zhang
- Department of Electrical & Computer EngineeringNational University of Singapore4 Engineering Drive 3Singapore117576Singapore
- National University of Singapore Suzhou Research Institute (NUSRI)Suzhou Industrial ParkSuzhou215123China
- Center for Intelligent Sensors and MEMSNational University of Singapore5 Engineering Drive 1Singapore117608Singapore
- Hybrid Integrated Flexible Electronic Systems (HIFES)5 Engineering Drive 1Singapore117608Singapore
| | - Lianhui Li
- i‐Lab Suzhou Institute of Nano‐Tech and Nano‐BionicsChinese Academy of Sciences (CAS)Suzhou215123China
| | - Ting Zhang
- i‐Lab Suzhou Institute of Nano‐Tech and Nano‐BionicsChinese Academy of Sciences (CAS)Suzhou215123China
| | - Chengkuo Lee
- Department of Electrical & Computer EngineeringNational University of Singapore4 Engineering Drive 3Singapore117576Singapore
- National University of Singapore Suzhou Research Institute (NUSRI)Suzhou Industrial ParkSuzhou215123China
- Center for Intelligent Sensors and MEMSNational University of Singapore5 Engineering Drive 1Singapore117608Singapore
- Hybrid Integrated Flexible Electronic Systems (HIFES)5 Engineering Drive 1Singapore117608Singapore
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20
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Ejehi F, Mohammadpour R, Asadian E, Sasanpour P, Fardindoost S, Akhavan O. Graphene Oxide Papers in Nanogenerators for Self-Powered Humidity Sensing by Finger Tapping. Sci Rep 2020; 10:7312. [PMID: 32355191 PMCID: PMC7192944 DOI: 10.1038/s41598-020-64490-7] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Accepted: 04/17/2020] [Indexed: 11/09/2022] Open
Abstract
Triboelectric nanogenerators (TENGs) offer an emerging market of self-sufficient power sources, converting the mechanical energy of the environment to electricity. Recently reported high power densities for the TENGs provide new applications opportunities, such as self-powered sensors. Here in this research, a flexible graphene oxide (GO) paper was fabricated through a straightforward method and utilized as the electrode of TENGs. Outstanding power density as high as 1.3 W.m-2, an open-circuit voltage up to 870 V, and a current density of 1.4 µA.cm-2 has been extracted in vertical contact-separation mode. The all-flexible TENG has been employed as a self-powered humidity sensor to investigate the effect of raising humidity on the output voltage and current by applying mechanical agitation in two forms of using a tapping device and finger tapping. Due to the presence of superficial functional groups on the GO paper, water molecules are inclined to be adsorbed, resulting in a considerable reduction in both generated voltage (from 144 V to 14 V) and current (from 23 µA to 3.7 µA) within the range of relative humidity of 20% to 99%. These results provide a promising applicability of the first suggested sensitive self-powered GO TENG humidity sensor in portable/wearable electronics.
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Affiliation(s)
- Faezeh Ejehi
- Institute for Nanoscience and Nanotechnology, Sharif University of Technology, Tehran, 14588-89694, Iran
| | - Raheleh Mohammadpour
- Institute for Nanoscience and Nanotechnology, Sharif University of Technology, Tehran, 14588-89694, Iran.
| | - Elham Asadian
- Department of Medical Physics and Biomedical Engineering, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Pezhman Sasanpour
- Department of Medical Physics and Biomedical Engineering, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- School of Nanoscience, Institute for Research in Fundamental Sciences (IPM), P. O. Box, 19395-5531, Tehran, Iran
| | - Somayeh Fardindoost
- Department of Physics, Sharif University of Technology, Tehran, 11155-9161, Iran
| | - Omid Akhavan
- Department of Physics, Sharif University of Technology, Tehran, 11155-9161, Iran
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21
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Jeong C, Ko H, Kim HT, Sun K, Kwon TH, Jeong HE, Park YB. Bioinspired, High-Sensitivity Mechanical Sensors Realized with Hexagonal Microcolumnar Arrays Coated with Ultrasonic-Sprayed Single-Walled Carbon Nanotubes. ACS APPLIED MATERIALS & INTERFACES 2020; 12:18813-18822. [PMID: 32233452 DOI: 10.1021/acsami.9b23370] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The development of a flexible electronic skin (e-skin) highly sensitive to multimodal vibrations and a specialized sensing ability is of great interest for a plethora of applications, such as tactile sensors for robots, seismology, healthcare, and wearable electronics. Here, we present an e-skin design characterized by a bioinspired, microhexagonal structure coated with single-walled carbon nanotubes (SWCNTs) using an ultrasonic spray method. We have demonstrated the outstanding performances of the device in terms of the capability to detect both static and dynamic mechanical stimuli including pressure, shear displacement, and bending using the principles of piezoresistivity. Because of the hexagonal microcolumnar array, whose contact area changes according to the mechanical stimuli applied, the interlock-optimized geometry shows an enhanced sensitivity. This produces an improved ability to discriminate the different mechanical stimuli that might be applied. Moreover, we show that our e-skins can detect, discriminate, and monitor various intensities of different external and internal vibrations, which is a useful asset for various applications, such as seismology, smart phones, wearable human skins (voice monitoring), etc.
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Affiliation(s)
- Changyoon Jeong
- Department of Mechanical Engineering, Ulsan National Institute of Science and Technology, Ulsan 44919, Republic of Korea
| | - Hangil Ko
- Department of Mechanical Engineering, Ulsan National Institute of Science and Technology, Ulsan 44919, Republic of Korea
| | - Hyun-Tak Kim
- Department of Chemistry, Ulsan National Institute of Science and Technology, Ulsan 44919, Republic of Korea
| | - Kahyun Sun
- Department of Mechanical Engineering, Ulsan National Institute of Science and Technology, Ulsan 44919, Republic of Korea
| | - Tae-Hyuk Kwon
- Department of Chemistry, Ulsan National Institute of Science and Technology, Ulsan 44919, Republic of Korea
| | - Hoon Eui Jeong
- Department of Mechanical Engineering, Ulsan National Institute of Science and Technology, Ulsan 44919, Republic of Korea
| | - Young-Bin Park
- Department of Mechanical Engineering, Ulsan National Institute of Science and Technology, Ulsan 44919, Republic of Korea
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22
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Chang Y, Zuo J, Zhang H, Duan X. State-of-the-art and recent developments in micro/nanoscale pressure sensors for smart wearable devices and health monitoring systems. NANOTECHNOLOGY AND PRECISION ENGINEERING 2020. [DOI: 10.1016/j.npe.2019.12.006] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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Zou Y, Libanori A, Xu J, Nashalian A, Chen J. Triboelectric Nanogenerator Enabled Smart Shoes for Wearable Electricity Generation. RESEARCH (WASHINGTON, D.C.) 2020; 2020:7158953. [PMID: 33623909 PMCID: PMC7877399 DOI: 10.34133/2020/7158953] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Accepted: 08/24/2020] [Indexed: 11/18/2022]
Abstract
The parallel evolution of wearable electronics, artificial intelligence, and fifth-generation wireless technology has created a technological paradigm with the potential to change our lives profoundly. Despite this, addressing limitations linked to continuous, sustainable, and pervasive powering of wearable electronics remains a bottleneck to overcome in order to maximize the exponential benefit that these technologies can bring once synergized. A recent groundbreaking discovery has demonstrated that by using the coupling effect of contact electrification and electrostatic induction, triboelectric nanogenerators (TENGs) can efficiently convert irregular and low-frequency passive biomechanical energy from body movements into electrical energy, providing an infinite and sustainable power source for wearable electronics. A number of human motions have been exploited to properly and efficiently harness this energy potential, including human ambulation. Shoes are an indispensable component of daily wearing and can be leveraged as an excellent platform to exploit such kinetic energy. In this article, the latest representative achievements of TENG-based smart electricity-generating shoes are comprehensively reviewed. We summarize ways in which not only can biomechanical energy be scavenged via ambulatory motion, but also biomonitoring of health parameters via tracking of rhythm and strength of pace can be implemented to aid in theranostic fields. This work provides a systematical review of the rational structural design, practical applications, scenario analysis, and performance evaluation of TENG-based smart shoes for wearable electricity generation. In addition, the perspective for future development of smart electricity-generation shoes as a sustainable and pervasive energy solution towards the upcoming era of the Internet of Things is discussed.
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Affiliation(s)
- Yongjiu Zou
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Alberto Libanori
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Jing Xu
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Ardo Nashalian
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Jun Chen
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA 90095, USA
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Homayounfar SZ, Andrew TL. Wearable Sensors for Monitoring Human Motion: A Review on Mechanisms, Materials, and Challenges. SLAS Technol 2019; 25:9-24. [PMID: 31829083 DOI: 10.1177/2472630319891128] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The emergence of flexible wearable electronics as a new platform for accurate, unobtrusive, user-friendly, and longitudinal sensing has opened new horizons for personalized assistive tools for monitoring human locomotion and physiological signals. Herein, we survey recent advances in methodologies and materials involved in unobtrusively sensing a medium to large range of applied pressures and motions, such as those encountered in large-scale body and limb movements or posture detection. We discuss three commonly used methodologies in human gait studies: inertial, optical, and angular sensors. Next, we survey the various kinds of electromechanical devices (piezoresistive, piezoelectric, capacitive, triboelectric, and transistive) that are incorporated into these sensor systems; define the key metrics used to quantitate, compare, and optimize the efficiency of these technologies; and highlight state-of-the-art examples. In the end, we provide the readers with guidelines and perspectives to address the current challenges of the field.
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Wang X, Song WZ, You MH, Zhang J, Yu M, Fan Z, Ramakrishna S, Long YZ. Bionic Single-Electrode Electronic Skin Unit Based on Piezoelectric Nanogenerator. ACS NANO 2018; 12:8588-8596. [PMID: 30102853 DOI: 10.1021/acsnano.8b04244] [Citation(s) in RCA: 72] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Moravec's paradox shows that low-level sensorimotor skills are more difficult than high-level reasoning in artificial intelligence and robotics. So simplifying every sensing unit on electronic skin is critical for endowing intelligent robots with tactile and temperature sense. The human nervous system is characterized by efficient single-electrode signal transmission, ensuring the efficiency and reliability of information transmission under big data conditions. In this work, we report a sensor based on a single-electrode piezoelectric nanogenerator (SPENG) by electrospun polyvinylidene fluoride (PVDF) nanofibers that can realize steady-state sensing of pressure integrating cold/heat sensing on a single unit. Piezoelectric signals appear as square wave signals, and the thermal-sensing signals appear as pulse signals. Therefore, the two signals can be acquired by a single unit simultaneously. The SPENG overcomes the shortcoming of electronic skins based on a single-electrode triboelectric nanogenerator (STENG), which can sense only dynamic movement and cannot sense temperature variations. The new sensor configuration uses a capacitor instead of the STENG's ground wire as a potential reference, allowing it to be used for truly autonomous robots. At the same time, the traditional advantages of polymer piezoelectric materials, such as flexibility, transparency, and self-powered advantages, have also been preserved.
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Affiliation(s)
- Xiaoxiong Wang
- Collaborative Innovation Center for Nanomaterials & Devices, College of Physics , Qingdao University , Qingdao 266071 , China
| | - Wei-Zhi Song
- Collaborative Innovation Center for Nanomaterials & Devices, College of Physics , Qingdao University , Qingdao 266071 , China
| | - Ming-Hao You
- Collaborative Innovation Center for Nanomaterials & Devices, College of Physics , Qingdao University , Qingdao 266071 , China
| | - Jun Zhang
- Collaborative Innovation Center for Nanomaterials & Devices, College of Physics , Qingdao University , Qingdao 266071 , China
| | - Miao Yu
- Collaborative Innovation Center for Nanomaterials & Devices, College of Physics , Qingdao University , Qingdao 266071 , China
- Department of Mechanical Engineering , Columbia University , New York , New York 10027 , United States
| | - Zhiyong Fan
- Department of Electronic & Computer Engineering , The Hong Kong University of Science & Technology , Kowloon , Hong Kong , China
| | - Seeram Ramakrishna
- Center for Nanofibers & Nanotechnology , National University of Singapore , Singapore 119077 , Singapore
| | - Yun-Ze Long
- Collaborative Innovation Center for Nanomaterials & Devices, College of Physics , Qingdao University , Qingdao 266071 , China
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26
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Kim D, Jin IK, Choi YK. Ferromagnetic nanoparticle-embedded hybrid nanogenerator for harvesting omnidirectional vibration energy. NANOSCALE 2018; 10:12276-12283. [PMID: 29938284 DOI: 10.1039/c8nr02039f] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
A new form of generator known as the triboelectric nanogenerator (TENG) has recently been suggested as a simple and low-cost solution to scavenge ambient mechanical energy. Although there have been substantial advances in TENGs over the past few years, the power efficiency of TENGs must be enhanced further before they can be practically applied. In the present study, we report a ferromagnetic nanoparticle-embedded hybrid nanogenerator (FHNG) which operates based on both triboelectricity and electromagnetic induction. A TENG and an electromagnetic generator (EMG) efficiently cooperate to generate electrical energy from the same motion, i.e., the vibration of a synthesized nanoparticle. A surface-functionalized ferric oxide nanoparticle, which has strong ferromagnetism and high triboelectricity, was produced by a simple surface-coating process. The measured electrical characteristics revealed that the output voltage of both the TENG and the EMG components increased by approximately 50 times and by twofold, respectively, after the surface functionalization step. Moreover, when constant vibration of 3 Hz is applied to the fabricated FHNG, the TENG and EMG components correspondingly generated output power of 133.2 μW at a load resistance of 100 MΩ and 6.5 μW at a load resistance of 200 Ω. The output power per unit mass from the FHNG is greater than that according to the arithmetic sum of the individual TENG and EMG components, demonstrating synergy between the two components. Furthermore, the device can generate stable output under various vibration directions, amplitudes, and frequencies due to the fluid-like characteristics of the powder. The packaged structure also securely protects the device from external humidity and dust. Connected to a rationally designed power management circuit, a digital clock was turned on solely by the fabricated FHNG.
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Affiliation(s)
- Daewon Kim
- Department of Electronic Engineering, Kyung Hee University, 1732 Deogyeong-daero, Giheung-gu, Yongin 17104, Republic of Korea
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27
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Yi F, Ren H, Shan J, Sun X, Wei D, Liu Z. Wearable energy sources based on 2D materials. Chem Soc Rev 2018; 47:3152-3188. [DOI: 10.1039/c7cs00849j] [Citation(s) in RCA: 174] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
This review provides the most recent advances in wearable energy sources based on 2D materials, and highlights the crucial roles 2D materials play in the wearable energy sources.
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Affiliation(s)
- Fang Yi
- Center for Nanochemistry
- Beijing Science and Engineering Center for Nanocarbons
- Beijing National Laboratory for Molecular Sciences
- College of Chemistry and Molecular Engineering
- Peking University
| | - Huaying Ren
- Center for Nanochemistry
- Beijing Science and Engineering Center for Nanocarbons
- Beijing National Laboratory for Molecular Sciences
- College of Chemistry and Molecular Engineering
- Peking University
| | - Jingyuan Shan
- Center for Nanochemistry
- Beijing Science and Engineering Center for Nanocarbons
- Beijing National Laboratory for Molecular Sciences
- College of Chemistry and Molecular Engineering
- Peking University
| | - Xiao Sun
- Center for Nanochemistry
- Beijing Science and Engineering Center for Nanocarbons
- Beijing National Laboratory for Molecular Sciences
- College of Chemistry and Molecular Engineering
- Peking University
| | - Di Wei
- Beijing Graphene Institute
- Beijing 100094
- P. R. China
| | - Zhongfan Liu
- Center for Nanochemistry
- Beijing Science and Engineering Center for Nanocarbons
- Beijing National Laboratory for Molecular Sciences
- College of Chemistry and Molecular Engineering
- Peking University
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28
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Tian W, Wang Y, Chen L, Li L. Self-Powered Nanoscale Photodetectors. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2017; 13:1701848. [PMID: 28991402 DOI: 10.1002/smll.201701848] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2017] [Revised: 08/02/2017] [Indexed: 06/07/2023]
Abstract
Novel self-powered nanoscale photodetectors that can work without an external power source, which have great application potential in next-generation nanodevices that operate wirelessly and independently, are being widely studied. This review aims to give a comprehensive summary of the state-of-the-art research results on self-powered nanoscale photodetectors. An introduction of recent progress on Schottky junction photodetectors is provided. Two types of Schottky junctions are discussed in detail: metal-semiconductor and semiconductor-graphene junctions. Next, recent developments of p-n junction photodetectors are highlighted, including homojunction and heterojunction photodetectors. Then, piezo-phototronic effect enhanced photodetection performances of Schottky junctions and p-n junctions are discussed. Then, significant results on the photoelectrochemical-cell-based photodetector and integrated self-powered nanosystem are presented, followed by a systematic comparison of different types of photodetectors. Finally, a summary of the previous results is given, and the major challenges that need to be addressed in the future are outlined. The hope is that this review can provide valuable insights into the current status of self-powered photodetectors and spur new structure and device designs to further enhance photodetection performance.
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Affiliation(s)
- Wei Tian
- College of Physics, Optoelectronics and Energy Collaborative Innovation Center of Suzhou Nano Science and Technology Jiangsu Key Laboratory of Thin Films, Soochow University, Suzhou, 215006, P. R. China
| | - Yidan Wang
- College of Physics, Optoelectronics and Energy Collaborative Innovation Center of Suzhou Nano Science and Technology Jiangsu Key Laboratory of Thin Films, Soochow University, Suzhou, 215006, P. R. China
| | - Liang Chen
- College of Physics, Optoelectronics and Energy Collaborative Innovation Center of Suzhou Nano Science and Technology Jiangsu Key Laboratory of Thin Films, Soochow University, Suzhou, 215006, P. R. China
| | - Liang Li
- College of Physics, Optoelectronics and Energy Collaborative Innovation Center of Suzhou Nano Science and Technology Jiangsu Key Laboratory of Thin Films, Soochow University, Suzhou, 215006, P. R. China
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29
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Duan J, Duan Y, Zhao Y, He B, Tang Q. Extra-high short-circuit current for bifacial solar cells in sunny and dark–light conditions. Chem Commun (Camb) 2017; 53:10046-10049. [DOI: 10.1039/c7cc04645f] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We present here a symmetrically structured bifacial solar cell tailored by two fluorescent photoanodes and a platinum/titanium/platinum counter electrode, yielding extra-high short-circuit current densities as high as 28.59 mA cm−2 and 119.9 μA cm−2 under simulated sunlight irradiation (100 mW cm−2, AM1.5) and dark–light conditions, respectively.
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Affiliation(s)
- Jialong Duan
- Institute of Materials Science and Engineering
- Ocean University of China
- Qingdao 266100
- P. R. China
| | - Yanyan Duan
- Institute of Materials Science and Engineering
- Ocean University of China
- Qingdao 266100
- P. R. China
| | - Yuanyuan Zhao
- Institute of Materials Science and Engineering
- Ocean University of China
- Qingdao 266100
- P. R. China
| | - Benlin He
- Institute of Materials Science and Engineering
- Ocean University of China
- Qingdao 266100
- P. R. China
| | - Qunwei Tang
- Institute of Materials Science and Engineering
- Ocean University of China
- Qingdao 266100
- P. R. China
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