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Nanoenergy Advances
Special Issues
Design and Applications of Nanogenerators
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Design and Applications of Nanogenerators

A special issue of Nanoenergy Advances (ISSN 2673-706X).

Deadline for manuscript submissions: closed (31 January 2023) | Viewed by 7295

Special Issue Editors

Dr. Zhiyi Wu

E-Mail Website
Guest Editor
Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing 101400, China
Interests: nanogenerators; self-powered sensors; wearable devices; flexible electronics and sensors; biomedical and implantable devices
Special Issues, Collections and Topics in MDPI journals
Dr. Zhiming Lin

E-Mail Website
Guest Editor
School of Electronic and Information Engineering, Southwest University, Chongqing 400715, China
Interests: triboelectric nanogenerator for energy harvesting; charge excitation strategy; energy harvesting technology based on magnetostrictive/piezoelectric composite transducer; wearable electronics for health care; self-powered sensor and systems
Special Issues, Collections and Topics in MDPI journals
Dr. Binbin Zhang

E-Mail Website
Guest Editor
Department of Biomedical Engineering, City University of Hong Kong, Kowloon Tong, Hong Kong, China
Interests: triboelectric and piezoelectric nanogenerator; energy harvesting and self-powered sensing; flexible and stretchable electronics

Special Issue Information

Dear Colleagues,

Nanogenerators (NGs) are the field of energy harvesting and self-powered sensing that rely on the Wang term ∂Ps/∂t in expanded Maxwell’s equation as the driving force for effectively converting mechanical energy into electric power/signals, which have broad applications in energy science, wearable electronics, IoTs, environmental protection, medical science, and artificial intelligence. To date, NGs have attracted worldwide interest owing to their merits of light weight, cost-effectiveness, ability to self-power, shape adjustability, high efficiency, etc. and have been increasingly recognized as a candidate for sustainable energy supply as worldwide public concern grows around sustainability. Hence, this Special Issue of Nanoenergy Advances focuses on the design and applications of nanogenerators and invites research and review articles to promote the development of nanogenerators.

Prof. Dr. Zhiyi Wu
Dr. Zhiming Lin
Dr. Binbin Zhang
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Nanoenergy Advances is an international peer-reviewed open access quarterly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1000 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • triboelectric nanogenerators
  • piezoelectric nanogenerators
  • energy harvesting technology
  • self-powered sensors and systems
  • smart sensing and its applications

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Published Papers (2 papers)

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Research

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12 pages, 3694 KiB  
Article
A Hybrid Triboelectric-Electromagnetic Nanogenerator Based on Arm Swing Energy Harvesting
by Jiayue Zheng, Zhi Cao, Chengcheng Han, Xuelian Wei, Linlin Wang and Zhiyi Wu
Nanoenergy Adv. 2023, 3(2), 126-137; https://doi.org/10.3390/nanoenergyadv3020007 - 6 May 2023
Cited by 7 | Viewed by 2070
Abstract
As wearable devices continue to be updated and iterated, there is an increasing demand for energy supplies that are small, portable and capable of working continuously for extended periods of time. Here, a hybrid triboelectric-electromagnetic nanogenerator (HNG) based on a biomechanical energy harvester [...] Read more.
As wearable devices continue to be updated and iterated, there is an increasing demand for energy supplies that are small, portable and capable of working continuously for extended periods of time. Here, a hybrid triboelectric-electromagnetic nanogenerator (HNG) based on a biomechanical energy harvester is demonstrated. The HNG is designed to be worn on the wrist according to the curve of the wearer’s arm swing. During the swinging of the arm, the magnet covered by the PTFE film will move relative to the curved cavity of the HNG and take on a negative charge by rubbing against the inner wall of the Cu coated cavity, resulting in a change in the potential difference between the two copper electrodes on the inner wall of the curved cavity. The movement of the magnet causes the magnetic flux of the three pairs of coils on both sides of the arc track to change to produce the induced electric potential, which converts the mechanical energy generated by the arm swing into electrical energy. After the rational design, the HNG is integrated into a small size device to achieve the collection of biomechanical energy. Several experiments were conducted to verify the HNG’s usability. Experiments show that the HNG takes 90 s to charge from 0 V to 1.2 V for a 1000 μF capacitor. In addition, the HNG can light up 23 LEDs simultaneously and provide a continuous supply of energy to portable electronic devices, such as temperature sensors and electronic watches after the capacitor has stored the energy. Furthermore, the HNG is experimentally verified by volunteers wearing the HNG to achieve continuous and stable output in all three states of slow swing, fast swing and running swing. This work not only provides a useful reference for human biomechanical energy harvesting, but can also provide a continuous, clean source of energy for wearable devices. Full article
(This article belongs to the Special Issue Design and Applications of Nanogenerators)
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Review

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24 pages, 3994 KiB  
Review
Harvesting Wind Energy Based on Triboelectric Nanogenerators
by Xuanyi Dong, Zhaoqi Liu, Peng Yang and Xiangyu Chen
Nanoenergy Adv. 2022, 2(3), 245-268; https://doi.org/10.3390/nanoenergyadv2030013 - 22 Aug 2022
Cited by 8 | Viewed by 4572
Abstract
The utilization of various distributed energy is becoming a prominent research topic due to the rapid development of the Internet of Things and wireless condition monitoring systems. Among the various distributed energy sources, wind energy has the advantages of being widely distributed, renewable [...] Read more.
The utilization of various distributed energy is becoming a prominent research topic due to the rapid development of the Internet of Things and wireless condition monitoring systems. Among the various distributed energy sources, wind energy has the advantages of being widely distributed, renewable and pollution-free, and is a very promising mechanical energy for power supply. Traditional wind energy harvesting methods based on electromagnetic and piezoelectric effects have issues with complex structure, large size, severe mechanical structures, and high installation costs. The low frequency and irregular nature of ambient mechanical energy makes these methods generally inefficient and inevitably hinders the further exploitation of wind energy. The triboelectric nanogenerators (TENGs) based on frictional charging and electrostatic effects can also be used for wind power generation and are increasingly favored by researchers as TENGs are easier to be miniaturized and assembled, and can realize large-scale manufacturing in comparison. This paper reviews the research on TENGs for wind energy utilization in terms of structural design, material selection and potential applications. In addition, the potential difficulties and possible developments in this field are summarized and discussed. Full article
(This article belongs to the Special Issue Design and Applications of Nanogenerators)
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