International Journal of Hydrogen Energy, Год журнала: 2024, Номер 73, С. 158 - 164
Опубликована: Июнь 12, 2024
Язык: Английский
Renewable and Sustainable Energy Reviews, Год журнала: 2024, Номер 203, С. 114779 - 114779
Опубликована: Июль 23, 2024
Язык: Английский
Процитировано
28
Chemical Reviews, Год журнала: 2024, Номер 124(15), С. 9136 - 9223
Опубликована: Июль 22, 2024
The electrocatalytic oxygen evolution reaction (OER) supplies the protons and electrons needed to transform renewable electricity into chemicals fuels. However, OER is kinetically sluggish; it operates at significant rates only when applied potential far exceeds reversible voltage. origin of this overpotential hidden in a complex mechanism involving multiple electron transfers chemical bond making/breaking steps. Our desire improve catalytic performance has then made mechanistic studies an area major scientific inquiry, though complexity understanding difficult. While historically, have relied solely on experiment phenomenological models, over past twenty years
Язык: Английский
Процитировано
20
Environments, Год журнала: 2024, Номер 11(6), С. 108 - 108
Опубликована: Май 24, 2024
In light of growing concerns regarding greenhouse gas emissions and the increasingly severe impacts climate change, global situation demands immediate action to transition towards sustainable energy solutions. this sense, hydrogen could play a fundamental role in transition, offering potential clean versatile carrier. This paper reviews recent results Life Cycle Assessment studies different production pathways, which are trying define routes that can guarantee least environmental burdens. Steam methane reforming was considered as benchmark for Global Warming Potential, with an average emission 11 kgCO2eq/kgH2. Hydrogen produced from water electrolysis powered by renewable (green H2) or nuclear (pink showed lowest impacts, mean values 2.02 kgCO2eq/kgH2 0.41 kgCO2eq/kgH2, respectively. The use grid electricity power electrolyzer (yellow raised carbon footprint up 17.2 peak 41.4 case countries low production. Waste pyrolysis and/or gasification presented three times higher than steam reforming, while recourse residual biomass biowaste significantly lowered emissions. acidification presents comparable all technologies studied, except more scattered values. Regarding abiotic depletion (mineral), main issue is lack established recycling strategy, especially hamper inclusion End stage LCA computation. Whenever data were available, hotspots each process identified.
Язык: Английский
Процитировано
19
International Journal of Hydrogen Energy, Год журнала: 2024, Номер 83, С. 614 - 629
Опубликована: Авг. 13, 2024
Язык: Английский
Процитировано
17
ACS Catalysis, Год журнала: 2025, Номер unknown, С. 1073 - 1096
Опубликована: Янв. 2, 2025
The energy crisis is a daunting global problem that calls for innovative and supportable solutions to ensure future security environmental stability. To counter this uncertainty, accelerating renewable-driven hydrogen production stands as vital option foster carbon-neutral infrastructure. This review conveys an overview of worldwide generation techniques (steam methane reformation, thermochemical, biological, electrolytic), highlighting the key features, indicating pros cons, unraveling potential consequences. Herein, conventional gray cutting-edge green technologies are compared, with focus on sustainable water electrolysis utilizing renewable sources. existing difficulties electrolysis, including usage expensive catalysts in both cathode anode, discussed along possible gateway cost-effective electrocatalysts. focuses three types 3d transition metal-based molecular catalysts─cobaloximes, iron porphyrins, nickel bis-phosphines─for evolution reactions (HER), stressing their strategic synthetic designs, mechanistic routes, catalytic parameters. Despite high activity selectivity, these systems confront stability scalability issues, limiting practical applicability. address this, immobilization into solid matrices studied, simplifying integration membrane electrode assembly (MEA) electrolyzers industrial-scale production. bridge gap between lab-scale investigations commercial implementation, several design components MEA stack examined, such flow patterns scaling methodologies. A comprehensive approach catalyst development deployment ensured by significance Life Cycle Assessment (LCA) Techno-Economic Analysis (TEA) assessing sustainability economic viability. closes call multidisciplinary research innovation improve electrochemical water-splitting technology accelerate enduring economy.
Язык: Английский
Процитировано
2
International Journal of Hydrogen Energy, Год журнала: 2025, Номер unknown
Опубликована: Янв. 1, 2025
Язык: Английский
Процитировано
2
Artificial Intelligence Chemistry, Год журнала: 2025, Номер unknown, С. 100086 - 100086
Опубликована: Фев. 1, 2025
Язык: Английский
Процитировано
2
Energy Advances, Год журнала: 2024, Номер 3(6), С. 1144 - 1166
Опубликована: Янв. 1, 2024
It is imperative to transition towards sustainable energy sources mitigate the escalating threat of global warming and ameliorate adverse impacts climatic changes.
Язык: Английский
Процитировано
15
International Journal of Hydrogen Energy, Год журнала: 2024, Номер 82, С. 1081 - 1100
Опубликована: Авг. 9, 2024
Язык: Английский
Процитировано
13
Hydrogen, Год журнала: 2024, Номер 5(3), С. 474 - 493
Опубликована: Авг. 13, 2024
H2 is considered a practical substitute for fossil fuels, especially transportation by road and air, created either from fuels or through the process of electrolysis water. Research questions were included based on numerous research analysis articles. The cost processes, techno-economic hurdles in commercialization, economic comparison various H2-production methods basis study papers. current examines different thermochemical, biological, electrochemical processes utilized converting biomass into hydrogen. benefits, constraints, significant enhancements every procedure are outlined. examination assesses production, level technology readiness, potential scalability. Thermochemical techniques, such as gasification steam reforming, effective at producing Steam perfect moist dry absence an oxidizing agent. Dark fermentation more efficient biological conversion because it requires less energy. Moreover, viable biomass. treatment significantly advanced than when comes to scaling opportunities comparisons processes. results this show that biomass–hydrogen have increasing but further needed produce larger quantities competitiveness.
Язык: Английский
Процитировано
13