Dynamic model and robust control for the PEM fuel cell systems DOI Creative Commons
Jie Ying Tan, Raja Kamil,

Mohd Shawal Jadin

et al.

Results in Engineering, Journal Year: 2024, Volume and Issue: 22, P. 102247 - 102247

Published: May 9, 2024

In response to the escalating challenges posed by climate change, global energy sector has witnessed a paradigm shift towards sustainable alternatives. The promising fuel cell technology known as proton exchange membrane (PEMFC) found widespread use in variety of mobile and stationary applications. This paper presents super-twisting sliding mode (STSM) control for maximum power point tracking (MPPT) on system incorporated floating interleaved boost converter (FIBC). work aims extract from PEMFC means robust conjunction with FIBC improve current ripple. proposed controller is designed combining STSM MPPT methods. tracks down system, corresponding values act reference controller. results show that incorporating can result ripple reduction when compared traditional (IBC). obtained demonstrate capability closed-loop maintain system's robustness under parameter variations.

Language: Английский

Hydrogen production by water electrolysis technologies: A review DOI Creative Commons

Mostafa El‐Shafie

Results in Engineering, Journal Year: 2023, Volume and Issue: 20, P. 101426 - 101426

Published: Sept. 19, 2023

Hydrogen as an energy source has been identified optimal pathway for mitigating climate change by combining renewable electricity with water electrolysis systems. Proton exchange membrane (PEM) technology received a substantial amount of attention because its ability to efficiently produce high-purity hydrogen while minimising challenges associated handling and maintenance. Another generation technology, alkaline (AWE), widely used in commercial production applications. Anion (AEM) can at relatively low costs the noble metal catalysts PEM AWE systems are replaced conventional low-cost electrocatalysts. Solid oxide electrolyzer cell (SOEC) is another producing high conversion efficiencies, cost, emissions. However, operating temperatures SOECs which necessitates long startup times. This review addresses current state technologies capable using impure Commercially available were extensively discussed compared. The technical barriers AEM also investigated. Furthermore, stack performance was evaluated artificial river (soft water). An integrated system approach recommended meeting power pure demands reversible seawater electricity, electrolysis, fuel cells. considered be low, requiring further developments enhance membrane's lifetime.

Language: Английский

Citations

207
Hydrogen role in energy transition: A comparative review DOI
Qusay Hassan, Sameer Algburi, Marek Jaszczur

et al.

Process Safety and Environmental Protection, Journal Year: 2024, Volume and Issue: 184, P. 1069 - 1093

Published: Feb. 15, 2024

Language: Английский

Citations

87
Hydrogen towards sustainable transition: A review of production, economic, environmental impact and scaling factors DOI Creative Commons

M. Aravindan,

G. Praveen Kumar

Results in Engineering, Journal Year: 2023, Volume and Issue: 20, P. 101456 - 101456

Published: Sept. 22, 2023

Currently, meeting the global energy demand is largely dependent on fossil fuels such as natural gas, coal and oil. Fossil represent a danger to Earth's environment its biological systems. The utilisation of these results in rise atmospheric CO2 levels, which turn triggers warming adverse changes climate. Furthermore, finite resources that will eventually deplete. There pressing need identify harness renewable sources replacement for near future. This shift expected have minimal environmental impact would contribute ensuring security. Hydrogen considered highly desirable fuel option with potential substitute depleting hydrocarbon resources. concise review explores diverse methods hydrogen production, primary focus solar, wind, geothermal, mainly water-splitting techniques electrolysis, thermolysis, photolysis, biomass-related processes. It addresses their limitations key challenges hampering economy's growth, including clean value chain creation, storage, transportation, production costs, standards, investment risks. study concludes research recommendations enhance efficiencies policy suggestions governments mitigate risks while scaling up economy.

Language: Английский

Citations

85
Review on techno-economics of hydrogen production using current and emerging processes: Status and perspectives DOI Creative Commons
Medhat A. Nemitallah,

Abdulrahman A. Alnazha,

Usama Ahmed

et al.

Results in Engineering, Journal Year: 2024, Volume and Issue: 21, P. 101890 - 101890

Published: Feb. 8, 2024

This review presents a broad exploration of the techno economic evaluation different technologies utilized in production hydrogen from both renewable and non-renewable sources. These encompass methods ranging extracting fossil fuels or biomass to employing microbial processes, electrolysis water, various thermochemical cycles. A rigorous techno-economic can provide critical cost comparison for future resource allocation, priorities, trajectory. will have great impact on projects development new approaches reduce overall costs make it cheaper fuel. Different exhibit varying efficiencies costs: fast pyrolysis yield up 45% at range $1.25 $2.20 per kilogram, while gasification, operating temperatures exceeding 750 °C, faces challenges such as limited small-scale coal issues with tar formation biomass. Steam methane reforming, which constitutes 48% output, experiences fluctuations depending scale, whereas auto-thermal reforming offers higher efficiency albeit increased costs. Chemical looping shows promise emissions reduction but encounters hurdles, sorption-enhanced achieves over 90% requires CO2 storage. Renewable liquid proves effective economically viable. Additionally, like PEM aim below $2.30 dark fermentation, though cost-effective, grapples challenges. Overcoming technical, barriers, managing electricity remains crucial optimizing low-carbon future, necessitating ongoing research efforts.

Language: Английский

Citations

41
Sustainable green energy transition in Saudi Arabia: Characterizing policy framework, interrelations and future research directions DOI Creative Commons
Md Tasbirul Islam, Amjad Ali

Next Energy, Journal Year: 2024, Volume and Issue: 5, P. 100161 - 100161

Published: July 10, 2024

Language: Английский

Citations

23
Hydrogen refueling stations powered by hybrid PV/wind renewable energy systems: Techno-socio-economic assessment DOI Creative Commons
Abdullah Al‐Sharafi,

Abdulrahman S. Al-Buraiki,

Fahad A. Al‐Sulaiman

et al.

Energy Conversion and Management X, Journal Year: 2024, Volume and Issue: 22, P. 100584 - 100584

Published: April 1, 2024

Hydrogen is considered as an attractive alternative to fossil fuels in the transportation sector. However, penetration of Fuel Cell Electric Vehicles (FCEV) hindered by lack hydrogen refueling station infrastructures. In this study, feasibility a hybrid PV/wind system for investigated. Refueling events data collected different locations including industrial, residential, highway, and tourist areas. Station Occupancy Fractions (SOF) Social-to-Solar Fraction (STSF) indicators are developed assess level synchronization between demand solar potential. Then, validated computer code used optimize renewable components off/on-grid cases based on minimizing Net Present Cost (NPC) Loss Supply Probability (LHSP). For off grid cases, results show that STSF attains maximum value industrial area where 0.62 fraction occur during sunshine hours minimum NPC achieved. It observed when lower values 0.52, 0.41 0.38 areas, increases 8, 16 31%, respectively. This associated with coordination The same conclusion can be stated on-grid cases. Therefore, green production via energy utilization, it recommended tariff should applied encourage vehicles availability radiation while reducing environmental impact, storage requirements, eventually cost production.

Language: Английский

Citations

22
Optimizing renewable polygeneration: A synergetic approach harnessing solar and wind energy systems DOI Creative Commons
Muhammad Shoaib Saleem, Naeem Abas

Results in Engineering, Journal Year: 2024, Volume and Issue: 21, P. 101743 - 101743

Published: Jan. 1, 2024

Transitioning from fossil fuels to renewable energy ensures a sustainable and green future by limiting greenhouse gas emissions their nuisance effects. The current study proposes polygeneration system that harnesses produce multiple vectors simultaneously equipped with storage mitigate the impact of intermittent weather. To perform dynamic analysis, proposed has been modeled, optimized, simulated using transient simulation software TRNSYS®. Additionally, it optimized in GenOpt, linked TrnOpt, under weather conditions University Gujrat. power is energized solar photovoltaic, thermal wind cooling, heating, electricity, hydrogen, oxygen as vectors, also provides electric, storage. Prime movers utilized for conversion encompass evacuated glass tube collector, photovoltaic panels, system, fuel cell, electrolyzer, absorption chiller, which are responsible facilitating air-conditioning, space water electric supply vehicle, building load & national grid, hydrogen internal combustion engines, cell vehicle industrial applications, well hospitals. shown collector an efficiency 0.68, fraction 0.78, peak outlet temperature 143.77 °C, generates total 1399656.25 kJ. have maximum efficiencies 52.24 % 10.90 respectively, resulting production 44.8 MWh energy. Embracing synergy holds key eco-friendly future.

Language: Английский

Citations

20
Energy Advancements and Integration Strategies in Hydrogen and Battery Storage for Renewable Energy Systems DOI Creative Commons

Asif Gulraiz,

Azizeh J Al Bastaki,

Khulood Magamal

et al.

iScience, Journal Year: 2025, Volume and Issue: 28(3), P. 111945 - 111945

Published: Feb. 4, 2025

The long term and large scale energy storage operations require quick response time round-trip efficiency, which are not feasible with conventional battery systems. To address this issue while endorsing high density, storage, grid adaptability, the hydrogen (HES) is preferred. This proposed work makes a comprehensive review on HES synthesizing recent research technologies integration into renewable (RE) applications. also identifies critical challenges related to system optimization, management strategies, economic viability featuring emerging like artificial intelligence (AI) machine learning (ML) for management. survey discusses key advancements in (lithium-ion, Ni-Cd, Ni/MH, flow batteries) that examined alongside innovations methods. utilizes an extensive list of publications date open literature canvass portray various developments area.

Language: Английский

Citations

2
A new approach to seasonal energy consumption forecasting using temporal convolutional networks DOI Creative Commons

Abdul Khalique Shaikh,

Amril Nazir,

Nadia Khalique

et al.

Results in Engineering, Journal Year: 2023, Volume and Issue: 19, P. 101296 - 101296

Published: July 17, 2023

There has been a significant increase in the attention paid to resource management smart grids, and several energy forecasting models have published literature. It is well known that plays crucial role applications including demand-side management, optimum dispatch, load shedding. A challenge grid managing forecasts efficiently while ensuring slightest feasible prediction error. type of artificial neural networks such as recurrent networks, are frequently used forecast time series data. However, due certain limitations like vanishing gradients lack memory retention sequential data should be modeled using convolutional networks. The reason they strong capabilities solve complex problems better than In this research, temporal network proposed handle seasonal short-term forecasting. computes outputs parallel, reducing computation compared Further performance comparison with traditional long terms MAD sMAPE proved model outperformed network.

Language: Английский

Citations

40
A Porous Skeleton‐Supported Organic/Inorganic Composite Membrane for High‐Efficiency Alkaline Water Electrolysis DOI Open Access

Yiwen Liao,

Guoxiong Deng,

Haoyu Wu

et al.

Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 34(3)

Published: Oct. 8, 2023

Abstract Hydrogen energy is a truly renewable and clean source. Alkaline water electrolysis (AWE) the most promising technology for green hydrogen production currently. In AWE process, critical part of an alkaline electrolyzer membrane, which acts to conduct hydroxide ions block gases. However, developing low area resistance, high bubble point pressure highly stable membrane high‐performance still challenge. Herein, porous skeleton‐supported composite membranes via blade‐coating method advanced are prepared. The membranes, besides having hydrophilic surface, also show ultra‐low resistance (≈0.15 Ω cm 2 ), ultra‐high (≈27 bar) excellent mechanical properties (tensile stress, ≈14 MPa). By using commercial catalysts, exhibit current density up 1.9 A −2 at voltage V in 30 wt% KOH solution 80 °C achieve H purity (up 99.996%) when applied AWE. Notably, can operate more than 1600 h without performance attenuation, demonstrating stability. This study opens feasibility preparing large‐scale production.

Language: Английский

Citations

36