International Journal of Hydrogen Energy, Год журнала: 2023, Номер 48(89), С. 34677 - 34699
Опубликована: Июнь 11, 2023
Язык: Английский
ACS Nano, Год журнала: 2023, Номер 17(21), С. 20804 - 20824
Опубликована: Ноя. 3, 2023
The splitting of water through electrocatalysis offers a sustainable method for the production hydrogen. In alkaline electrolytes, lack protons forces dissociation to occur before hydrogen evolution reaction (HER). While pure Pt is gold standard electrocatalyst in acidic since 5d orbital nearly fully occupied, when it overlaps with molecular water, generates Pauli repulsion. As result, formation Pt–H* bond an environment difficult, which slows HER and negates benefits using catalyst. To overcome this limitation, can be alloyed transition metals, such as Fe, Co, Ni. This approach has potential not only enhance performance but also increase dispersion decrease its usage, thus overall improving catalyst's cost-effectiveness. excellent adsorption ability metals contributes generation proton-rich local near Pt-based alloy that promotes HER. Significant progress been achieved comprehending mechanism manipulation structure composition electrocatalysts based on alloy. objective review analyze condense latest developments It focuses modified alloys clarifies design principles catalytic catalysts from both experimental theoretical perspective. highlights some difficulties encountered during opportunities increasing performance. Finally, guidance development more efficient provided.
Язык: Английский
Процитировано
84
ACS Nano, Год журнала: 2023, Номер 17(22), С. 22227 - 22239
Опубликована: Ноя. 15, 2023
Green hydrogen production from renewably powered water electrolysis is considered as an ideal approach to decarbonizing the energy and industry sectors. Given high-cost supply of ultra-high-purity water, well mismatched distribution sources renewable energies, combining seawater with coastal solar/offshore wind power attracting increasing interest for large-scale green production. However, various impurities in lead corrosive toxic halides, hydroxide precipitation, physical blocking, which will significantly degrade catalysts, electrodes, membranes, thus shortening stable service life electrolyzers. To accelerate development electrolysis, it crucial widen working potential gap between oxygen evolution chlorine reactions develop flexible highly efficient purification technologies. In this review, we comprehensively discuss present challenges, research efforts, design principles direct/indirect aspects materials engineering system innovation. Further opportunities developing advanced integrated electrolyzers are highlighted both low-grade sources.
Язык: Английский
Процитировано
80
International Journal of Hydrogen Energy, Год журнала: 2024, Номер unknown
Опубликована: Июль 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
Язык: Английский
Процитировано
61
Nano-Micro Letters, Год журнала: 2024, Номер 16(1)
Опубликована: Июль 5, 2024
Green hydrogen from electrolysis of water has attracted widespread attention as a renewable power source. Among several production methods, it become the most promising technology. However, there is no large-scale system currently that can compete with conventional fossil fuel production. Renewable energy electrocatalytic splitting an ideal technology environmental cleanliness protection and good purity, which meet requirements future development. This review summarizes introduces current status by three aspects: electricity, catalyst electrolyte. In particular, present situation latest progress key sources power, catalytic materials electrolyzers for are introduced. Finally, problems generation electrolytic directions next-generation green in discussed outlooked. It expected this will have important impact on field water.
Язык: Английский
Процитировано
49
International Journal of Hydrogen Energy, Год журнала: 2024, Номер 81, С. 1338 - 1362
Опубликована: Июль 30, 2024
Язык: Английский
Процитировано
44
Advanced Materials, Год журнала: 2024, Номер unknown
Опубликована: Июнь 25, 2024
Abstract Catalysts play a crucial role in water electrolysis by reducing the energy barriers for hydrogen and oxygen evolution reactions (HER OER). Research aims to enhance intrinsic activities of potential catalysts through material selection, microstructure design, various engineering techniques. However, consumption has often been overlooked due intricate interplay among catalyst microstructure, dimensionality, catalyst–electrolyte–gas dynamics, surface chemistry, electron transport within electrodes, transfer electrode components. Efficient development high‐current‐density applications is essential meet increasing demand green hydrogen. This involves transforming with high into electrodes capable sustaining current densities. review focuses on improvement strategies mass exchange, charge transfer, resistance decrease consumption. It bridge gap between laboratory‐developed, highly efficient industrial regarding structural catalyst‐electrode interplay, outlining roadmap hierarchically structured electrode‐based minimizing loss electrocatalysts splitting.
Язык: Английский
Процитировано
31
Current Opinion in Green and Sustainable Chemistry, Год журнала: 2024, Номер 47, С. 100932 - 100932
Опубликована: Май 3, 2024
The scientific and industrial communities worldwide have recently achieved impressive technical advances in developing innovative electrocatalysts electrolysers for water seawater splitting. viability of electrolysis commercial applications, however, remains elusive, the key barriers are durability, cost, performance, materials, manufacturing, system simplicity, especially with regard to running on practical sources like seawater. This paper, therefore, primarily aims provide a concise overview most recent disruptive water-splitting technologies materials that could reshape future green hydrogen production. Starting from fundamentals, durable efficient modern types electrolysers, such as decoupled unconventional hybrid been represented precisely annotated this report. Outlining splitting, paper can help quick guide identifying gap knowledge while pointing out solutions cost-effective production meet zero-carbon targets short near term.
Язык: Английский
Процитировано
30
Applied Catalysis B Environment and Energy, Год журнала: 2024, Номер 352, С. 124002 - 124002
Опубликована: Апрель 21, 2024
Язык: Английский
Процитировано
18
Nature Communications, Год журнала: 2024, Номер 15(1)
Опубликована: Авг. 8, 2024
Solar-driven flat-panel H
Процитировано
18
Nanomaterials, Год журнала: 2024, Номер 14(7), С. 591 - 591
Опубликована: Март 27, 2024
Photoelectrochemical cells (PECs) are an important technology for converting solar energy, which has experienced rapid development in recent decades. Transparent conductive oxides (TCOs) also gaining increasing attention due to their crucial role PEC reactions. This review comprehensively delves into the significance of TCO materials devices. Starting from in-depth analysis various materials, this discusses properties, fabrication techniques, and challenges associated with these materials. Next, we highlight several cost-effective, simple, environmentally friendly methods, such as element doping, plasma treatment, hot isostatic pressing, carbon nanotube modification, enhance transparency conductivity Despite significant progress applications, at last point out that future research should focus on enhancing conductivity, formulating advanced theories understand structure–property relationships, integrating multiple modification strategies further improve performance
Язык: Английский
Процитировано
16