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Development of Energy Harvesting Systems and Methods from Uncommon Sources: 2nd Edition

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "D: Energy Storage and Application".

Deadline for manuscript submissions: 30 June 2026 | Viewed by 1865

Special Issue Editor


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Guest Editor
Laboratory of Flow Metrology, Strata Mechanics Research Institute, Polish Academy of Sciences, Krakow, Poland
Interests: metrology; electronics; energetics; mechanics; mechatronics; robotics; computer sciences; modelling and control; mining sciences; measurement systems; flow metrology
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Special Issue Information

Dear Colleagues,

The search for new sources of usable energy is one of the greatest challenges of the modern world. The development of a smart technology for the use of fusion energy for utilitarian purposes would undoubtedly be a Copernican breakthrough. In anticipation of this event, it is important to tackle research challenges that may be less crucial, but are still extremely important. One such challenge is the development of energy harvesting technology, including the search for new sources and methods. That is why I invite scientists and research teams to publish their achievements in this Special Issue. The topics covered include the development of energy harvesting systems and methods from uncommon sources, in particular issues such as:

  • energy harvesting from uncommon sources;
  • unconventional methods and systems for energy harvesting;
  • distributed energy harvesting systems;
  • smart methods in energy harvesting;
  • artificial intelligence for energy harvesting and vice versa;
  • utilize of garbage, rubbish and waste for energy harvesting;
  • energy harvesting from post-mining infrastructure;
  • post-industrial energy harvesting sources;
  • energy harvesting systems in agriculture and breeding;
  • biological energy systems;
  • essential metrological problems in energy harvesting;
  • energy harvesting for personal devices;
  • energy harvesting for control and monitoring;
  • energy harvesting for micro- and nano systems;
  • storage systems for energy harvesting.

I look forward to familiarizing myself with the results of your latest research and popularizing them in the scientific community, both in this field and related issues.

Prof. Dr. Paweł Ligęza
Guest Editor

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. Energies 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
  • energy sources
  • unconventional sources and methods
  • smart methods
  • artificial intelligence methods
  • distributed systems
  • waste utilizing
  • post-mining energy
  • post-industry energy
  • biological energy systems
  • metrological problems
  • personal devices
  • micro and nano devices
  • energy storage systems

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Published Papers (2 papers)

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Research

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48 pages, 852 KB  
Article
Energy Conservation in a Charged Retarded Field Engine
by Prachi Sharma and Asher Yahalom
Energies 2025, 18(17), 4661; https://doi.org/10.3390/en18174661 - 2 Sep 2025
Cited by 1 | Viewed by 1149
Abstract
Energy conservation, rooted in the time invariance of physical laws and formalized by Noether’s theorem, requires that systems with space-time translational symmetry conserve momentum and energy. This work examines how this principle applies to a charged retarded field engine, where the rate of [...] Read more.
Energy conservation, rooted in the time invariance of physical laws and formalized by Noether’s theorem, requires that systems with space-time translational symmetry conserve momentum and energy. This work examines how this principle applies to a charged retarded field engine, where the rate of change of total energy—mechanical plus field energy—is balanced by the energy flux through the system’s boundary. Using electric and magnetic field expressions from a Taylor expansion to incorporate retardation effects, we analyze the energy equation order by order for two arbitrary charged bodies. Our results show that total energy is conserved up to the fourth order, with mechanical and field energy changes exactly offset by boundary energy flux. Consequently, the work done by the internal electromagnetic field precisely equals the engine’s gained mechanical kinetic energy, addressing the central focus of this study. Full article
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Review

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21 pages, 305 KB  
Review
Emergency Power Sources Operating Based on Energy Harvesting Processes for Application in Crisis Situations
by Paweł Ligęza
Energies 2026, 19(10), 2263; https://doi.org/10.3390/en19102263 - 7 May 2026
Viewed by 269
Abstract
This article discusses the use of energy harvesters as emergency power sources during emergencies, crises, and disasters. The climate crisis, population growth, social and political unrest, terrorism, wars, and information chaos all contribute to the increasing likelihood of populations suddenly being deprived of [...] Read more.
This article discusses the use of energy harvesters as emergency power sources during emergencies, crises, and disasters. The climate crisis, population growth, social and political unrest, terrorism, wars, and information chaos all contribute to the increasing likelihood of populations suddenly being deprived of access to electricity. This threat is possible both locally and globally. Regardless of the size, source, or type of emergency, disaster, or crisis, rescue procedures and actions that enable people to function are essential. This requires, among other things, ensuring emergency power sources. Energy harvesting technology can be used to create both primary and supplementary sources of electricity. The authors of the article conducted a comprehensive analysis of this topic and reviewed existing research in this field. Based on literature studies, a number of conclusions were formulated defining the current state, future development directions, and challenges in the use of energy harvesters in crisis situations. The aim of the work is to draw attention to existing threats and to try to direct the interest of scientific teams towards intensifying research in this field, both in terms of the development of cognitive knowledge and the transition from the area of model research to final applications. Full article
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