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Green Hydrogen Production and Storage

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Energy Science and Technology".

Deadline for manuscript submissions: closed (20 June 2023) | Viewed by 2440

Special Issue Editors


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Guest Editor
Department of Civil and Mechanical Engineering, University of Cassino and Southern Lazio, Viale dell'Università, 03043 Cassino, FR, Italy
Interests: energy saving; improvement of energy efficiency of conventional power plants; novel plant configurations for power generation and poly-generation based on low environmental impact and high efficiency technologies (high and Low temperature fuel cells, HT-PEMFC, hydrogen)
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Department of Engineering, University of Naples ‘Parthenope’, Naples, Italy
Interests: low temperature and high temperature fuel cells systems; fuel cells in mobile applications; technologies for hydrogen production and storage in refuelling stations; hydrogen production by reforming systems for stationary or mobile applications; developing and optimization of internal combustion engine fuelled with hydrocarbons and hydrogen mixtures; cogeneration power plant based on fuel cell technologies; plasma gasification technologies for wastes treatment; environmental impact of power plants and pollutant dispersion analysis; microbial fuel cells technologies
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Hydrogen is increasingly considered an important player in international strategies for the decarbonization of different sectors, from industry to power generation and transport. Research projects and industrial applications are addressing different components of the hydrogen pathways, which include production, storage, transmission, distribution, and final uses.

Hydrogen pathways can be made completely sustainable if the energy required for its production is supplied from renewable sources (solar, wind, hydro, biomass), generating so-called “Green Hydrogen”.

The main pathway for the production of green hydrogen is based on power to gas (P2G) technologies, where renewable electricity is used for water electrolysis. Apart from electrolysis, researchers and various industry players are working to develop and produce green hydrogen using multiple sources, methods, and technologies, including thermochemical and biological processes. The production cost is a major barrier to the widespread use of green hydrogen.

The exploitation of green hydrogen is not only dependent on optimizing the production, but also, storage is a crucial issue due to the low volumetric energy density of hydrogen. To find the optimal solutions in terms of efficiency, volume, weight, safety, and costs according to the specific application, technological efforts both at system level and component level are required.

This Special Issue aims to encourage scientists, engineers, and researchers to address current state-of-the-art technologies, models, and solutions focused on the different green hydrogen pathways including production and storage systems.

Original research contributions and reviews dealing with system designs and techno-economic feasibility studies are welcome.

Prof. Dr. Alessandra Perna
Prof. Dr. Mariagiovanna Minutillo
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. Applied Sciences 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 2400 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

  • green hydrogen production
  • decarbonization
  • renewable sources
  • sustainability
  • hydrogen storage
  • levelized cost of hydrogen

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Published Papers (1 paper)

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Research

16 pages, 5160 KiB  
Article
Feasibility Analysis of Adopting the Hydrogen Hydrostatic Thrust Bearing
by Mingchen Qiang, Mingzhe Liu, Qi Zhao, Yu Hou, Shaohang Yan and Tianwei Lai
Appl. Sci. 2023, 13(16), 9372; https://doi.org/10.3390/app13169372 - 18 Aug 2023
Cited by 2 | Viewed by 1546
Abstract
The hydrogen hydrostatic thrust bearing (HHTB) is a key component of hydrogen liquefaction that impacts turbo-expander characteristics. To analyze the feasibility of using the HHTB in this application, characteristics of HHTBs were calculated using a CFD model. To upgrade the performance of the [...] Read more.
The hydrogen hydrostatic thrust bearing (HHTB) is a key component of hydrogen liquefaction that impacts turbo-expander characteristics. To analyze the feasibility of using the HHTB in this application, characteristics of HHTBs were calculated using a CFD model. To upgrade the performance of the HHTB, the impacts of bearing structure and operating parameters on static performance were investigated. Dynamic characteristics of the HHTB were studied using the dynamic grid method. It was found that the load capacity of the HHTB is less than that of helium-lubricated bearings but higher than that of air- and methane-lubricated bearings. The turbulent kinetic energy of hydrogen is higher than that of other gases. Load capacity can be enhanced through boosting supplied pressure, expanding the diameter of supply orifices, reducing gas film clearance, increasing the orifices quantity and setting a circumferential groove. A reduction in disturbance amplitude slightly increased the bearing’s dynamic stiffness. The dynamic stability of the HHTB was improved by a small film clearance in response to disturbance. Full article
(This article belongs to the Special Issue Green Hydrogen Production and Storage)
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