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Advances in Materials for Energy Harvesting and Self-Powered Technologies

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Electronic Materials".

Deadline for manuscript submissions: closed (20 July 2023) | Viewed by 1897

Special Issue Editors


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Guest Editor
Ministry of Education Key Laboratory of RF Circuits and Systems, College of Electronics & Information Hangzhou Dianzi University, Hangzhou 310000, China
Interests: piezoelectric; triboelectric; wireless sensing
Special Issues, Collections and Topics in MDPI journals
Materials Science and Engineering, Physical Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
Interests: self-powered sensing system; flexible electronics

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Guest Editor Assistant
Department of Precision Mechanical Engineering, Shanghai University, Shanghai 200444, China
Interests: energy harvesting; self-powered sensing; contact charging; energy management system
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

As the use of smart electronics becomes more prevalent and the adoption of Internet of Things based on widely distributed sensor nodes more widespread, there is a high demand for renewable distributed power, energy harvesting, and self-powered technologies based on photoelectric, triboelectric, piezoelectric, electromagnetic, pyroelectric effects, etc. The devices based on the technologies can convert varied ambient energy into electricity and useful signals. In the last decade, significant advancements in energy harvesting and self-powered technologies in terms of functional materials, working mechanisms, device structure, power management, etc., have promoted the achievement of increasing energy conversion efficiency and sensitivity for their practical applications. Among these, works on material innovations (i.e., the design, synthesis, incorporation, and modification of various functional materials, including 2D materials, ferroelectric materials, natural materials, porous materials, etc.) are among the most promising technological routes to further advance energy harvesting and self-powered technologies.

The scope of this Special Issue is to gather the most recent advances in material improvements for energy harvesting and self-powered technologies. We welcome all manuscripts with novel ideas in principles, developments, and applications in the field of energy harvesting and self-powered technologies on, but not limited to, the following topics:

  • Design, synthesis, and characterization of novel functional materials;
  • Methods and tools to theoretically simulate materials in energy-harvesting devices;
  • Physical/chemical modification of materials;
  • Study on multifunctional materials for multimechanism energy harvesting and multiple parameter sensing;
  • Development of auxiliary modules such as energy storage and power management units for an integrated self-powered system.

Dr. Jinkai Chen
Dr. Lin Shi
Guest Editors

Dr. Pengfei Zhao
Guest Editor Assistant

Manuscript Submission Information

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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. Materials 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

  • energy harvesting
  • self-powered
  • energy storage
  • multifunctional materials
  • theoretical simulations
  • surface modification
  • material synthesis and characterization

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Published Papers (1 paper)

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Research

10 pages, 5529 KiB  
Article
Expanded Vermiculite/D-Mannitol as Shape-Stable Phase Change Material for Medium Temperature Heat Storage
by Xifeng Lv, Chaoqun Fan, Ying Han, Xiaojin Tang, Changwei Zhang, Di Cai and Huidong Chen
Materials 2023, 16(18), 6101; https://doi.org/10.3390/ma16186101 - 7 Sep 2023
Cited by 1 | Viewed by 1454
Abstract
Aiming to promote the application of D-mannitol in the field of phase change thermal storage, obstacles, including low thermal storage efficiency and high supercooling, should be properly disposed of. The adoption of adaptable and low-cost supporting materials to make shape-stable phase change materials [...] Read more.
Aiming to promote the application of D-mannitol in the field of phase change thermal storage, obstacles, including low thermal storage efficiency and high supercooling, should be properly disposed of. The adoption of adaptable and low-cost supporting materials to make shape-stable phase change materials (ss-PCMs) affordable is a primary solution to solve the above shortcomings. In this study, high-performance ss-PCM for effective medium-temperature heat storage was prepared using expanded vermiculite as the support for D-mannitol preservation. Among the three candidates that treated the raw vermiculite by dilute acid, calcination, and microwave heating, the calcinated expanded vermiculite (CV) was characterized as the most suitable one. After impregnating D-mannitol into the CV carrier by vacuum, a melting enthalpy of 205.1 J/g and a crystallization enthalpy of 174.1 J/g were achieved by the as-received CV/D-mannitol ss-PCM. Additionally, the supercooling of the ss-PCM was reduced to 45.6 °C. The novel CV/D-mannitol ss-PCM also exhibited excellent reusability and stability. All the findings indicate that the abundant and inexpensive CV exhibited great potential as the supporting material for D-mannitol-based ss-PCMs, which allow effective waste heat recovery and temperature regulation. Full article
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