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Micro-Nano Sensors and the Internet of Things for Intelligent Energy
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Micro-Nano Sensors and the Internet of Things for Intelligent Energy

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Sensor Networks".

Deadline for manuscript submissions: closed (15 November 2023) | Viewed by 7032

Special Issue Editors

Dr. Wei Li

E-Mail Website
Guest Editor
State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China
Interests: micro & nano structures and devices to manipulate light (nonreciprocal photonic waveguide; tunable topological nontrivial interface; all-directional diffraction-free photonic crystals; optical nano antennas)
Dr. Tie Li

E-Mail Website
Guest Editor
State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China
Interests: micro/nano-sensing mechanisms; devices and applications
Special Issues, Collections and Topics in MDPI journals
Dr. Fengyuan Gan

E-Mail Website
Guest Editor
State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China
Interests: plasmonic sensing
Dr. Daohan Ge

E-Mail Website
Guest Editor
Institute of Intelligent Flexible Mechatronics, Jiangsu University, Zhenjiang 212013, China
Interests: MEMS; biosensors; flexible electronic device

Special Issue Information

Dear Colleagues,

Sensors and internet of things (IoT) technologies are the basis for the development of intelligent energy and play a significant positive role in carbon neutrality. In the field of intelligent energy, micro-sensors and IoT technology require special functions and designs to monitor and analyze the operating status of equipment. This Special Issue focuses on the application and development trend of micro-nano sensors and IoT technologies for intelligent energy, introduces advances in micro-nano sensors and their various intelligent-energy-related applications in IoT technologies, including the smart gird or the internet of things for electric power and so on. Papers detailing the development direction of specific micro-nano sensors and internet of things in regard to intelligent energy are also welcome.

Dr. Wei Li
Dr. Tie Li
Dr. Fengyuan Gan
Dr. Daohan Ge
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. Sensors is an international peer-reviewed open access semimonthly 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 2600 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

  • intelligent energy
  • internet of things
  • micro-nano sensors
  • energy-specific micro-nano sensor
  • internet of things for electric power

Published Papers (3 papers)

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Research

18 pages, 5658 KiB  
Communication
Vibration Energy Conversion Power Supply Based on the Piezoelectric Thin Film Planar Array
by Bo Wang, Dun Lan, Fanyang Zeng and Wei Li
Sensors 2022, 22(21), 8506; https://doi.org/10.3390/s22218506 - 4 Nov 2022
Cited by 1 | Viewed by 1597
Abstract
Vibration energy harvesting has received much attention as a new type of power solution for low-power micro/nano-devices. However, VEH (vibration energy harvester) based on PVDF (polyvinylidene fluoride) piezoelectric materials have a low output power and energy conversation efficiency due to the relatively low [...] Read more.
Vibration energy harvesting has received much attention as a new type of power solution for low-power micro/nano-devices. However, VEH (vibration energy harvester) based on PVDF (polyvinylidene fluoride) piezoelectric materials have a low output power and energy conversation efficiency due to the relatively low piezoelectric constant, coupling coefficient, and dielectric constant. For this reason, we design a vibration energy conversion power supply, which consists of a VEH with a PVDF piezoelectric thin film planar array vibration structure and an energy harvesting circuit for regulating the electric energy of multiple sources. Furthermore, our solution was validated by simulations of structural dynamics in COMSOL and equivalent circuits model in Multisim. From the circuitry simulation results, the output current and the charging period increase and decrease, doubling, respectively, for each doubling of the number of array groups of films. Moreover, the solid mechanics simulation results show that the planar array structure makes the phase and amplitude of the input vibration waves as consistent as possible so that the same theoretical enhancement effect of the circuitry model is achieved. An identical experimental test was implemented with vibration conditions of 75 Hz-2.198 g. The fabricated harvester quickly charged the 22 V-0.022 F ultracapacitor bank to 5 V in 24 min. The maximum open circuit voltage and output power, respectively, were 10.4 V and 0.304 mW. This maximum charging power was 11.69 times higher than that of a single film. This special power supply can replace batteries to power low-power electronics deployed in vibrating environments, thus reducing the maintenance costs of equipment and environmental pollution rates. Full article
(This article belongs to the Special Issue Micro-Nano Sensors and the Internet of Things for Intelligent Energy)
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9 pages, 2306 KiB  
Communication
Robust Achromatic All-Dielectric Metalens for Infrared Detection in Intelligent Inspection
by Wenrong Si, Zhengyong Hu, Dun Lan, Yi Zhou and Wei Li
Sensors 2022, 22(17), 6590; https://doi.org/10.3390/s22176590 - 31 Aug 2022
Cited by 2 | Viewed by 1809
Abstract
Metalens has the advantages of high design freedom, light weight and easy integration, thus provides a powerful platform for infrared detection. Here, we numerically demonstrated a broadband achromatic infrared all-dielectric metalens over a continuous 800 nm bandwidth, with strong environmental adaptability in air, [...] Read more.
Metalens has the advantages of high design freedom, light weight and easy integration, thus provides a powerful platform for infrared detection. Here, we numerically demonstrated a broadband achromatic infrared all-dielectric metalens over a continuous 800 nm bandwidth, with strong environmental adaptability in air, water and oil. By building a database with multiple 2π phase coverage and anomalous dispersions, optimizing the corrected required phase profiles and designing the sizes and spatial distributions of silicon nanopillars, we numerically realized the design of broadband achromatic metalens. The simulation results of the designed metalens show nearly constant focal lengths and diffraction-limited focal spots over the continuous range of wavelengths from 4.0 to 4.8 μm, indicating the ability of the designed metalens to detect thermal signals over a temperature range from various fault points. Further simulation results show that the metalens maintains good focusing performance under the environment of water or oil. This work may facilitate the application of metalens in ultra-compact infrared detectors for power grid faults detection. Full article
(This article belongs to the Special Issue Micro-Nano Sensors and the Internet of Things for Intelligent Energy)
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14 pages, 21459 KiB  
Article
Doublet Metalens with Simultaneous Chromatic and Monochromatic Correction in the Mid-Infrared
by Yi Zhou, Fengyuan Gan, Ruxue Wang, Dun Lan, Xiangshuo Shang and Wei Li
Sensors 2022, 22(16), 6175; https://doi.org/10.3390/s22166175 - 18 Aug 2022
Cited by 2 | Viewed by 2707
Abstract
Metalenses provide a powerful paradigm for mid-infrared (MIR) imaging and detection while keeping the optical system compact. However, the design of MIR metalenses simultaneously correcting chromatic aberration and off-axis monochromatic aberration remains challenging. Here, we propose an MIR doublet metalens composed of a [...] Read more.
Metalenses provide a powerful paradigm for mid-infrared (MIR) imaging and detection while keeping the optical system compact. However, the design of MIR metalenses simultaneously correcting chromatic aberration and off-axis monochromatic aberration remains challenging. Here, we propose an MIR doublet metalens composed of a silicon aperture metalens and a silicon focusing metalens separated by a fused silica substrate. By performing ray-tracing optimization and particle-swarm optimization, we optimized the required phase profiles as well as the sizes and spatial distributions of silicon nanopillars of the doublet metalens. Simulation results showed that the MIR doublet metalens simultaneously achieved chromatic and off-axis monochromatic aberration reduction, realizing a continuous 400 nm bandwidth and 20° field-of-view (FOV). Thanks to its planar configuration, this metalens is suitable for integration with CMOS image sensor to achieve MIR imaging and detection, which has potential application in troubleshooting and intelligent inspection of power grids. This work may facilitate the practical application of metalens-integrated micro/nanosensors in intelligent energy. Full article
(This article belongs to the Special Issue Micro-Nano Sensors and the Internet of Things for Intelligent Energy)
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