The Critical Analysis of Membranes toward Sustainable and Efficient Vanadium Redox Flow Batteries

Advanced Materials, Год журнала: 2024, Номер 36(28)

Опубликована: Май 22, 2024

Vanadium redox flow batteries (VRFB) are a promising technology for large-scale storage of electrical energy, combining safety, high capacity, ease scalability, and prolonged durability; features which have triggered their early commercial implementation. Furthering the deployment VRFB technologies requires addressing challenges associated to pivotal component: membrane. Examples include vanadium crossover, insufficient conductivity, escalated costs, sustainability concerns related widespread adoption perfluoroalkyl-based membranes, e.g., perfluorosulfonic acid (PFSA). Herein, recent advances in high-performance sustainable membranes VRFB, offering insights into prospective research directions overcome these challenges, reviewed. The analysis reveals disparities trade-offs between performance enabled by PFSA composites, lack final applications. potential PFSA-free present strategies enhance discussed. This study delves vital membrane parameters battery performance, suggesting protocols design achieve membranes.

Язык: Английский

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A comprehensive review of the state-of-the-art of proton exchange membrane water electrolysis

Materials Science for Energy Technologies, Год журнала: 2024, Номер 8, С. 44 - 65

Опубликована: Июль 26, 2024

Hydrogen has attracted growing research interest due to its exceptionally high energy per mass content and being a clean carrier, unlike the widely used hydrocarbon fuels. With possibility of long-term storage re-electrification, hydrogen promises promote effective utilization renewable sustainable resources. Clean can be produced through renewable-powered water electrolysis process. Although alkaline is currently mature commercially available technology for production, it several shortcomings that hinder integration with intermittent fluctuating sources. The proton exchange membrane (PEMWE) been developed offer voltage efficiencies at current densities. Besides, PEMWE cells are characterized by fast system response power, enabling operations broader partial power load ranges while consistently delivering high-purity low ohmic losses. Recently, much effort devoted improving efficiency, performance, durability, economy cells. activities in this context include investigations different cell component materials, protective coatings, material characterizations, as well synthesis analysis new electrocatalysts enhanced electrochemical activity stability minimized use noble metals. Further, many modeling studies have reported analyze performance considering electrochemistry, overvoltage, thermodynamics. Thus, imperative review compile recent covering multiple aspects one literature present advancements limitations field. This article offers comprehensive state-of-the-art It compiles on each discusses how characteristics these components affect overall performance. In addition, various catalyst materials reviewed. thermodynamics electrochemistry electrolytic splitting described, inherent overvoltage elucidated. modeling, aimed analyzing cells, compiled. Overall, provides components, electrocatalysts, but pursuit seamless transition energy.

Язык: Английский

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A review of electrolyzer-based systems providing grid ancillary services: current status, market, challenges and future directions

Frontiers in Energy Research, Год журнала: 2024, Номер 12

Опубликована: Фев. 8, 2024

Concerns related to climate change have shifted global attention towards advanced, sustainable, and decarbonized energy systems. While renewable resources such as wind solar offer environmentally friendly alternatives, their inherent variability intermittency present significant challenges grid stability reliability. The integration of sources requires innovative solutions effectively balance supply demand in the electricity grid. This review explores critical role electrolyzer systems addressing these by providing ancillary services modern grids. Electrolyzers traditionally used only for hydrogen production now emerged versatile tools capable responding quickly load variations. They can consume during excess periods or when integrated with fuel cells generate peak demand, contributing stability. Therefore, fulfill dual function producing end-user offering balancing services, ensuring greater economic feasibility. paper aims provide a comprehensive view systems’ provision including frequency control, voltage congestion management, black start. technical aspects, market, projects, challenges, future prospects using electrolyzers are explored.

Язык: Английский

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A Comprehensive Review on Catalysts for Seawater Electrolysis

Advanced Powder Materials, Год журнала: 2024, Номер 3(5), С. 100227 - 100227

Опубликована: Авг. 15, 2024

Язык: Английский

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Recent progress of electrocatalysts for acidic oxygen evolution reaction

Coordination Chemistry Reviews, Год журнала: 2024, Номер 508, С. 215758 - 215758

Опубликована: Март 13, 2024

Язык: Английский

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