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Sustainable Technologies
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Sustainable Technologies

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

Deadline for manuscript submissions: closed (10 February 2022) | Viewed by 5932

Special Issue Editor

Prof. Dr. Giuseppe Spazzafumo

E-Mail Website
Guest Editor
Department of Civil and Mechanical Engineering, University of Cassino and Southern Lazio, Via G. Di Biasio, 43, 03043 Cassino (FR), Italy
Interests: mainly focused on the sustainability of the energy system and hydrogen as an energy carrier. In particular, his research activity deals with: (i) hydrogen energy systems; (ii) integration of fuel cells in energy systems; (iii) power to fuels; (iv) advanced thermodynamic cycles; (v) life cycle assessment.
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The World Online Conference on Sustainable Technologies (WOCST) is an online conference which aims to give the opportunity to researchers and technicians to share their recent results in the field of Sustainable Technologies.

As already successfully made at the beginning of pandemic:

  • all sessions will be organized taking into account the time zone of the speakers;
  • all presentations will be recorded and made available online the following week in such a way to give the possibility to all participants to view the presentations eventually missed due to unfavorable time zone.

Regarding networking opportunity, which is often considered a critical issue for online events, all participants and sponsors will have the possibility to create private meetings on the conference platform, just like having a private room at a physical conference venue.

The conference will be held 17 to 19 March 2021.

Topics are grouped in four categories:

  • Renewable energy sources and heat recovery
  • Multi-energy systems
  • Membrane processes
  • Hydrogen energy systems and Fuel cell technology

For more details, please visit the conference website (https://www.wocst.org/).

The conference is abstract-based and all accepted abstracts will be published in a Book of abstracts with ISBN. After the conference the Scientific Committee will select papers for this Special Issue.

I warmly invite you to submit an abstract to WOCST and to attend the conference.

Prof. Dr. Giuseppe Spazzafumo
Guest Editor

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. 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.

Published Papers (2 papers)

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Research

24 pages, 1015 KiB  
Article
Sustainable Technologies Supported by Project-Based Learning in the Education of Engineers: A Case Study from Poland
by Marzena Podgórska and Iwona Zdonek
Energies 2022, 15(1), 278; https://doi.org/10.3390/en15010278 - 01 Jan 2022
Cited by 7 | Viewed by 2342
Abstract
The aim of the article is to examine technological innovations developed by engineers as part of Project-Based Learning at one of the Polish technical universities. We examined whether the innovations being developed meet the goals of sustainable development and whether they provide the [...] Read more.
The aim of the article is to examine technological innovations developed by engineers as part of Project-Based Learning at one of the Polish technical universities. We examined whether the innovations being developed meet the goals of sustainable development and whether they provide the basis for the introduction of sustainable business models. We analyzed reports from 49 projects implemented in the years 2018–2020 in which 146 scientists, 282 students of the Silesian University of Technology, and 126 experts from the university’s business environment were involved. We performed the analysis using content analysis and visualization techniques. The results show that the studied innovations implement the goals of sustainable development and most of them may become the basis of sustainable business models. The most frequently pursued goals are Industry, Innovation, and Infrastructure and Good Health and Well-Being. Most of the studied innovations can become the basis of the archetype of a sustainable business model called “maximize material and energy efficacy”. We also provide the characteristics of projects that implement the diagnosed goals of sustainable development. Full article
(This article belongs to the Special Issue Sustainable Technologies)
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17 pages, 43055 KiB  
Article
Experimental Characterization of an Alkaline Electrolyser and a Compression System for Hydrogen Production and Storage
by Andrea Pietra, Marco Gianni, Nicola Zuliani, Stefano Malabotti and Rodolfo Taccani
Energies 2021, 14(17), 5347; https://doi.org/10.3390/en14175347 - 27 Aug 2021
Cited by 7 | Viewed by 2636
Abstract
Storing renewable energy in chemicals, like hydrogen, can bring various benefits like high energy density, seasonal storability, possible cost reduction of the final product, and the potential to let renewable power penetrate other markets and to overcome their intermittent availability. In the last [...] Read more.
Storing renewable energy in chemicals, like hydrogen, can bring various benefits like high energy density, seasonal storability, possible cost reduction of the final product, and the potential to let renewable power penetrate other markets and to overcome their intermittent availability. In the last year’s production of this gas from renewable energy sources via electrolysis has grown its reputation as one feasible solution to satisfy future zero-emission energy demand. To extend the exploitation of Renewable Energy Source (RES), small-scale conversion plants seem to be an interesting option. In view of a possible widespread adoption of these types of plants, the authors intend to present the experimental characterization of a small-scale hydrogen production and storage plant. The considered experimental plant is based on an alkaline electrolyser and an air-driven hydrogen compression and storage system. The results show that the hydrogen production-specific consumption is, on average, 77 kWh/kgH2. The hydrogen compressor energy requirement is, on average, 15 kWh/kgH2 (data referred to the driving compressed air). The value is higher than data found in literature (4.4–9.3 kWh/kgH2), but the difference can be attributed to the small size of the considered compressor and the choice to limit the compression stages. Full article
(This article belongs to the Special Issue Sustainable Technologies)
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