Integration of renewable energy sources in tandem with electrolysis: A technology review for green hydrogen production

International Journal of Hydrogen Energy, Journal Year: 2024, Volume and Issue: unknown

Published: July 1, 2024

The global shift toward sustainable energy solutions emphasises the urgent need to harness renewable sources for green hydrogen production, presenting a critical opportunity in transition low-carbon economy. Despite its potential, integrating with electrolysis produce faces significant technological and economic challenges, particularly achieving high efficiency cost-effectiveness at scale. This review systematically examines latest advancements technologies—alkaline, proton exchange membrane cell (PEMEC), solid oxide—and explores innovative grid integration storage that enhance viability of hydrogen. study reveals enhanced performance metrics processes identifies factors influence operational sustainability production. Key findings demonstrate potential substantial reductions cost requirements production by optimising electrolyser design operation. insights from this research provide foundational strategy scaling up as carrier, contributing efforts reduce greenhouse gas emissions advance carbon neutrality. these technologies could revolutionise systems worldwide, aligning policy frameworks market dynamics foster broader adoption

Language: Английский

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Current status of developed electrocatalysts for water splitting technologies: from experimental to industrial perspective

Nano Convergence, Journal Year: 2025, Volume and Issue: 12(1)

Published: Feb. 6, 2025

Abstract The conversion of electricity into hydrogen (H 2 ) gas through electrochemical water splitting using efficient electrocatalysts has been one the most important future technologies to create vast amounts clean and renewable energy. Low-temperature electrolyzer systems, such as proton exchange membrane electrolyzers, alkaline anion electrolyzers are at forefront current technologies. Their performance, however, generally depends on costs system efficiency, which can be significantly improved by developing high-performance enhance kinetics both cathodic evolution reaction anodic oxygen reaction. Despite numerous active research efforts in catalyst development, performance electrolysis remains insufficient for commercialization. Ongoing innovative an understanding catalytic mechanisms critical enhancing their activity stability electrolyzers. This is still a focus academic institutes/universities industrial R&D centers. Herein, we provide overview state directions H production. Additionally, describe detail technological framework production utilized relevant global companies. Graphical

Language: Английский

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The role of energy storage systems for a secure energy supply: A comprehensive review of system needs and technology solutions

Electric Power Systems Research, Journal Year: 2024, Volume and Issue: 236, P. 110963 - 110963

Published: Aug. 14, 2024

Language: Английский

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Steam electrolysis for green hydrogen generation. State of the art and research perspective

Renewable and Sustainable Energy Reviews, Journal Year: 2024, Volume and Issue: 202, P. 114725 - 114725

Published: July 4, 2024

With renewable energy sources projected to become the dominant source of electricity, hydrogen has emerged as a crucial carrier mitigate their intermittency issues. Water electrolysis is most developed alternative generate green so far. However, in past two decades steam attracted increasing interest and aims key player portfolio electrolytic hydrogen. In practice, follows distinct operational approaches: Solid Oxide Electrolysis Cell (SOEC) Proton Exchange Membrane (PEM) at high temperature. For both technologies, this work analyses critical cell components outlining material characteristics degradation The influence conditions on performance durability technologies thoroughly reviewed. analytical comparison alternatives underscores advantages drawbacks, highlighting niche applications: SOECs thrive temperature industries like steel production nuclear power plants whereas PEM suits lower applications such textile paper. Being less explored, ends up by suggesting research lines domain i) (membranes, catalysts gas diffusion layers) optimize scale technology, ii) integration strategies with energies iii) use seawater feedstock for production.

Language: Английский

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Integrated Battery and Hydrogen Energy Storage for Enhanced Grid Power Savings and Green Hydrogen Utilization

Applied Sciences, Journal Year: 2024, Volume and Issue: 14(17), P. 7631 - 7631

Published: Aug. 29, 2024

This study explores the integration and optimization of battery energy storage systems (BESSs) hydrogen (HESSs) within an management system (EMS), using Kangwon National University’s Samcheok campus as a case study. research focuses on designing BESSs HESSs with specific technical specifications, such capacities power ratings, their into EMS. By employing MATLAB-based simulations, this analyzes dynamics, grid interactions, load strategies under various operational scenarios. Real-time data from are utilized to examine consumption, renewable generation, fluctuations, pricing providing key insights for optimization. finds that BESS manages fluctuations between 0.5 kWh 3.7 over 24 h period, remaining close 4 W extended periods. Grid fluctuates −5 kW 75 kW, while prices range 120 USD/kWh, peaking at 111 USD/kWh. Hydrogen varies 1 8 kWh, ranging −40 40 kW. Load keeps stable around 35 PV peaks 48 by 10th h. The findings highlight effectively manage distribution storage, improving efficiency, reducing costs approximately 15%, enhancing stability 20%. underscores potential in stabilizing operations integrating energy. Future directions include advancements technologies, enhanced EMS capabilities through artificial intelligence machine learning, development smart infrastructures. Policy recommendations stress importance regulatory support stakeholder collaboration drive innovation scale deployment, ensuring sustainable future.

Language: Английский

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Innovative Strategies for Combining Solar and Wind Energy with Green Hydrogen Systems

Applied Sciences, Journal Year: 2024, Volume and Issue: 14(21), P. 9771 - 9771

Published: Oct. 25, 2024

The integration of wind and solar energy with green hydrogen technologies represents an innovative approach toward achieving sustainable solutions. This review examines state-of-the-art strategies for synthesizing renewable sources, aimed at improving the efficiency (H2) generation, storage, utilization. complementary characteristics energy, where power typically peaks during daylight hours while becomes more accessible night or overcast conditions, facilitate reliable stable production. Quantitatively, hybrid systems can realize a reduction in levelized cost (LCOH) ranging from EUR 3.5 to 8.9 per kilogram, thereby maximizing use resources but also minimizing overall H2 production infrastructure costs. Furthermore, advancements such as enhanced electrolysis technologies, efficiencies rising 6% 2008 over 20% near future, illustrate significant progress this domain. addresses operational challenges, including intermittency scalability, introduces system topologies that enhance both performance. However, it is essential consider these challenges carefully, because they significantly impact effectiveness systems. By providing comprehensive assessment (which are gaining traction), study highlights their potential address increasing global demands. aims support transition carbon-neutral future. significant, aligns environmental goals requirements. Although remain, promise evident.

Language: Английский

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Ignore variability, overestimate hydrogen production – Quantifying the effects of electrolyzer efficiency curves on hydrogen production from renewable energy sources

International Journal of Hydrogen Energy, Journal Year: 2024, Volume and Issue: 72, P. 49 - 59

Published: May 27, 2024

This study investigates the impact of including (or neglecting) variable efficiency hydrogen electrolyzers as a function operating power in modelling green produced from renewable energy sources. Results show that neglecting electrolyzer efficiency, is commonly done studies hydrogen, leads to significant overestimation production range 5–24%. The effects time resolution used models are also investigated, well option for switch stand-by mode instead powering down and ramp rate constraints. indicate these have minor effect on overall production, with use hour data leading 0.2–2%, relative using 5-min data. three solar farms wind Australia, which it observed 55% more than farms. results this highlight critical importance production. As industry scales, continuing neglect would lead by tens megatonnes.

Language: Английский

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A systematic review of modelling methods for studying the integration of hydrogen into energy systems

Renewable and Sustainable Energy Reviews, Journal Year: 2024, Volume and Issue: 208, P. 114964 - 114964

Published: Oct. 17, 2024

Language: Английский

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Production and Storage of Hydrogen from Biomass and Other Sources: Technologies and Policies

Energies, Journal Year: 2025, Volume and Issue: 18(3), P. 650 - 650

Published: Jan. 30, 2025

Hydrogen has emerged as a critical energy carrier for achieving global decarbonization and supporting sustainable future. This review explores key advancements in hydrogen production technologies, including electrolysis, biomass gasification, thermochemical processes, alongside innovations storage methods like metal hydrides liquid organic carriers (LOHCs). Despite its promise, challenges such high costs, scalability issues, safety concerns persist. Biomass gasification stands out dual benefits of waste management carbon neutrality yet hurdles feedstock variability efficiency need further attention. also identifies opportunities improvement, developing cost-effective catalysts hybrid systems, while emphasizing future research on improving tackling bottlenecks. By addressing these challenges, can play central role the transition to cleaner systems.

Language: Английский

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eCherry: A Modelica Library for Modular Dynamic Modelling of Electrochemical Reactors

Electrochemical Science Advances, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 9, 2025

ABSTRACT Electrochemical reactors offer promising pathways for defossilizing the chemical industry. To understand operation as well to evaluate and optimise their performance efficiency, modelling presents a crucial tool. Currently, no comprehensive open‐source library dynamic of electrochemical exists, instead efforts are typically specific individual applications lack reusability accessibility. address this gap, we introduce eCherry , an Modelica designed fast flexible model building various applications. supports multiple reactions experimental setups enables integration into aggregated system models. It features modular replaceable components, facilitating customisation without extensive coding. Additionally, basic spatial discretisation using finite volume approach can be integrated with other libraries larger models enhanced functionality. This paper details structure eCherry, key equations, how they combine models, illustrates its application via examples demonstrating versatility.

Language: Английский

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