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Hydrogen Economy and Advanced Energy Management Strategies
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Hydrogen Economy and Advanced Energy Management Strategies

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "A5: Hydrogen Energy".

Deadline for manuscript submissions: closed (1 October 2023) | Viewed by 11518

Special Issue Editors

Dr. Xuefang Li

E-Mail Website
Guest Editor
Institute of Thermal Science and Technology, Shandong University, Jinan 250061, China
Interests: hydrogen energy and hydrogen safety; microfluidics; heat transfer
Special Issues, Collections and Topics in MDPI journals
Dr. Qiao Ma

E-Mail Website
Guest Editor
School of Energy and Powering Engineering, Shandong University, Jinan 250061, China
Interests: environmental impact assessment; circular economy
Special Issues, Collections and Topics in MDPI journals
Dr. Cuiping Ma

E-Mail Website
Guest Editor
Institute For Advanced Technology, Shandong University, Jinan 250061, China
Interests: energy management; energy economy; energy policy

Special Issue Information

Dear Colleagues,

As one of the most promising sustainable energy carriers, hydrogen is a key pillar of a low-carbon society in the future.  The hydrogen economy is gaining momentum around the world due to the global efforts toward decarbonization and concerns about energy security. The expanding applications of hydrogen in various sectors include transportation, industrial and residential. In addition to fueling vehicles, hydrogen is used in various sectors, including industrial, commercial, and residential. Hydrogen is also the key to utilizing intermittent renewable energy such as wind power and solar energy. Distributed hydrogen storage and fuel cell systems enable a flexible sustainable energy supply.  While actively using hydrogen and other renewables, advanced energy management strategies should also be used to minimize costs and environmental impacts in the process of energy consumption. Energy management involves the utilization and optimization of energy from planning, operation, storage, and consumption. At present, it is mostly applied to intelligent microgrids, deployment of electric vehicles, energy storage systems, and deployment of distributed applications, such as hydrogen fuel cell cogeneration.

This Special Issue aims to report and disseminate the latest advances related to hydrogen energy, hydrogen economy, and advanced energy management strategies.

Dr. Xuefang Li
Dr. Qiao Ma
Dr. Cuiping Ma
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. 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

  • hydrogen strategies, policies, and roadmaps
  • hydrogen production, storage, and transportation
  • hydrogen infrastructure
  • hydrogen safety and codes and standards
  • hydrogen fuel cells and HFCVs
  • hydrogen in smart grids
  • cost-effectiveness of hydrogen energy applications
  • innovative hydrogen energy processes and technologies
  • energy conservation and management
  • energy management based on multi-objective optimization algorithms
  • energy management strategies for integrated energy microgrid
  • home energy management system including CHP additionally, hydrogen
  • energy management for hybrid electric power vehicles
  • management for charging and discharging of electric vehicles
  • fuel cell energy management
  • urban energy systems design, analysis, planning, and management

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Published Papers (4 papers)

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Research

11 pages, 1028 KiB  
Article
Safety Risk and Strategy Analysis of On-Board Hydrogen System of Hydrogen Fuel Cell Vehicles in China
by Zhanhui Yao, Wei Qi, Jia Wang, Zhensen Ding, Xiaolong Jiang, Yingchen Hong and Yuejuan Li
Energies 2023, 16(23), 7727; https://doi.org/10.3390/en16237727 - 23 Nov 2023
Cited by 3 | Viewed by 2446
Abstract
Hydrogen fuel cell vehicles (HFCVs) represent an important breakthrough in the hydrogen energy industry. The safe utilization of hydrogen is critical for the sustainable and healthy development of hydrogen fuel cell vehicles. In this study, risk factors and preventive measures are proposed for [...] Read more.
Hydrogen fuel cell vehicles (HFCVs) represent an important breakthrough in the hydrogen energy industry. The safe utilization of hydrogen is critical for the sustainable and healthy development of hydrogen fuel cell vehicles. In this study, risk factors and preventive measures are proposed for on-board hydrogen systems during the process of transportation, storage, and use of fuel cell vehicles. The relevant hydrogen safety standards in China are also analyzed, and suggestions involving four safety strategies and three safety standards are proposed. Full article
(This article belongs to the Special Issue Hydrogen Economy and Advanced Energy Management Strategies)
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14 pages, 11051 KiB  
Article
The Effect of Explosions on the Protective Wall of a Containerized Hydrogen Fuel Cell System
by Min Liu, Leiqi Zhang, Qiliang Wu, Yunpeng Zhang, Jiaxin Zhang, Xuefang Li and Qingxin Ba
Energies 2023, 16(11), 4477; https://doi.org/10.3390/en16114477 - 1 Jun 2023
Cited by 5 | Viewed by 2205
Abstract
With the development of hydrogen energy, containerized hydrogen fuel cell systems are being used in distributed energy-supply systems. Hydrogen pipelines and electronic equipment of fuel cell containers can trigger hydrogen-explosion accidents. In the present study, Computational Fluid Dynamics (CFD) software was used to [...] Read more.
With the development of hydrogen energy, containerized hydrogen fuel cell systems are being used in distributed energy-supply systems. Hydrogen pipelines and electronic equipment of fuel cell containers can trigger hydrogen-explosion accidents. In the present study, Computational Fluid Dynamics (CFD) software was used to calculate the affected areas of hydrogen fuel cell container-explosion accidents with and without protective walls. The protective effects were studied for protective walls at various distances and heights. The results show that strategically placing protective walls can effectively block the propagation of shock waves and flames. However, the protective wall has a limited effect on the reduction of overpressure and temperature behind the wall when the protective wall is insufficiently high. Reflected explosion shock waves and flames will cause damage to the area inside the wall when the protective wall is too close to the container. In this study, a protective wall that is 5 m away from the container and 3 m high can effectively protect the area behind the wall and prevent damage to the container due to the reflection of shock waves and flame. This paper presents a suitable protective wall setting scheme for hydrogen fuel cell containers. Full article
(This article belongs to the Special Issue Hydrogen Economy and Advanced Energy Management Strategies)
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18 pages, 7725 KiB  
Article
Optimization of High-Temperature Electrolysis System for Hydrogen Production Considering High-Temperature Degradation
by Jiming Yuan, Zeming Li, Benfeng Yuan, Guoping Xiao, Tao Li and Jian-Qiang Wang
Energies 2023, 16(6), 2616; https://doi.org/10.3390/en16062616 - 10 Mar 2023
Cited by 15 | Viewed by 3500
Abstract
Solid oxide electrolysis cells (SOECs) have great application prospects because of their excellent performance, but the long-term applications of the stacks are restricted by the structural degradation under the high-temperature conditions. Therefore, an SOEC degradation model is developed and embedded in a process [...] Read more.
Solid oxide electrolysis cells (SOECs) have great application prospects because of their excellent performance, but the long-term applications of the stacks are restricted by the structural degradation under the high-temperature conditions. Therefore, an SOEC degradation model is developed and embedded in a process model of the high-temperature steam electrolysis (HTSE) system to investigate the influence of the stack degradation at the system level. The sensitivity analysis and optimization were carried out to study the influence factors of the stack degradation and system hydrogen production efficiency and search for the optimal operating conditions to improve the hydrogen production efficiency and mitigate the stack degradation. The analysis results show that the high temperature and large current density can accelerate the stack degradation but improve the hydrogen production efficiency, while the high temperature gradually becomes unfavorable in the late stage. The low air-to-fuel feed ratio is beneficial to both the degradation rate and hydrogen production efficiency. The results show that the optimization method can improve the hydrogen production efficiency and inhibit the stack degradation effectively. Moreover, part of the hydrogen production efficiency has to be sacrificed in order to obtain a lower stack degradation rate. Full article
(This article belongs to the Special Issue Hydrogen Economy and Advanced Energy Management Strategies)
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13 pages, 7650 KiB  
Article
Numerical Study on Protective Measures for a Skid-Mounted Hydrogen Refueling Station
by Zeying Zhao, Min Liu, Guoping Xiao, Tiancheng Cui, Qingxin Ba and Xuefang Li
Energies 2023, 16(2), 910; https://doi.org/10.3390/en16020910 - 13 Jan 2023
Cited by 4 | Viewed by 2185
Abstract
Hydrogen refueling stations are one of the key infrastructure components for the hydrogen-fueled economy. Skid-mounted hydrogen refueling stations (SHRSs) can be more easily commercialized due to their smaller footprints and lower costs compared to stationary hydrogen refueling stations. The present work modeled hydrogen [...] Read more.
Hydrogen refueling stations are one of the key infrastructure components for the hydrogen-fueled economy. Skid-mounted hydrogen refueling stations (SHRSs) can be more easily commercialized due to their smaller footprints and lower costs compared to stationary hydrogen refueling stations. The present work modeled hydrogen explosions in a skid-mounted hydrogen refueling station to predict the overpressures for hydrogen-air mixtures and investigate the protective effects for different explosion vent layouts and protective wall distances. The results show that the explosive vents with the same vent area have similar overpressure reduction effects. The layout of the explosion vent affects the flame shape. Explosion venting can effectively reduce the inside maximum overpressure by 61.8%. The protective walls can reduce the overpressures, but the protective walls should not be too close to the SHRS because high overpressures are generated inside the walls due to the confined shock waves. The protective wall with a distance of 6 m can effectively protect the surrounding people and avoid the secondary overpressure damage to the container. Full article
(This article belongs to the Special Issue Hydrogen Economy and Advanced Energy Management Strategies)
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