International Journal of Hydrogen Energy, Journal Year: 2024, Volume and Issue: 64, P. 733 - 743
Published: April 1, 2024
Language: Английский
Advanced Energy Materials, Journal Year: 2024, Volume and Issue: 14(30)
Published: May 27, 2024
Abstract Electrochemical water splitting is a promising technique for the production of high‐purity hydrogen. Substituting slow anodic oxygen evolution reaction with an oxidation that thermodynamically more favorable enables energy‐efficient Moreover, this approach facilitates degradation environmental pollutants and synthesis value‐added chemicals through rational selection small molecules as substrates. Strategies small‐molecule electrocatalyst design are critical to electrocatalytic performance, focus on achieving high current density, selectivity, Faradaic efficiency, operational durability. This perspective discusses key factors required further advancement, including technoeconomic analysis, new reactor system design, meeting requirements industrial applications, bridging gap between fundamental research practical product detection separation. aims advance development hybrid electrolysis applications.
Language: Английский
Citations
43
Advanced Materials, Journal Year: 2024, Volume and Issue: 36(41)
Published: Aug. 15, 2024
Abstract Modulating the electronic structure of catalysts to effectively couple hydrogen evolution reaction (HER) and oxygen (OER) is essential for developing high‐efficiency anion exchange membrane water electrolyzer (AEMWE). Herein, a coral‐like nanoarray composed nanosheets through synergistic layering effect cobalt 1D guiding vanadium synthesized, which promotes extensive contact between active sites electrolyte. The HER OER activities can be enhanced by modulating nitridation phosphorization, respectively, enhancing strength metal‐H bond optimize adsorption facilitating proton transfer improve transformation oxygen‐containing intermediates. Resultantly, AEMWE achieves current density 500 mA cm –2 at 1.76 V 1000 h in 1.0 M KOH 70 °C. energy consumption 4.21 kWh Nm –3 with producing cost $0.93 per kg H 2 . Operando synchrotron radiation Bode phase angle analyses reveal that during high‐energy consumed OER, dissolution species transforms distorted Co−O octahedral into regular structures, accompanied shortening Co−Co length. This structural facilitates formation intermediates, thus accelerating kinetics.
Language: Английский
Citations
31
Energy & Environmental Science, Journal Year: 2024, Volume and Issue: 17(19), P. 6897 - 6942
Published: Jan. 1, 2024
This review focuses on the latest developments in direct seawater electrolysis, specifically electrocatalysts, hybrid anodic oxidation, and electrolyzers, providing a glimpse into future of environmentally friendly hydrogen generation.
Language: Английский
Citations
28
Carbon Energy, Journal Year: 2024, Volume and Issue: unknown
Published: Aug. 2, 2024
Abstract Crystalline perovskite oxides are regarded as promising electrocatalysts for water electrolysis, particularly anodic oxygen evolution reactions, owing to their low cost and high intrinsic activity. Perovskite with noncrystalline or amorphous characteristics also exhibit electrocatalytic performance toward electrochemical splitting. In this review, a fundamental understanding of the advantages crystalline, noncrystalline, is presented. Subsequently, recent progress in development advanced electrolysis by engineering breaking crystallinity reviewed, special focus on underlying structure–activity relationships. Finally, remaining challenges unsolved issues presented, an outlook briefly proposed future exploration next‐generation water‐splitting based oxides.
Language: Английский
Citations
21
ACS Catalysis, Journal Year: 2024, Volume and Issue: 14(18), P. 13814 - 13824
Published: Sept. 5, 2024
Language: Английский
Citations
19
Energies, Journal Year: 2025, Volume and Issue: 18(2), P. 404 - 404
Published: Jan. 17, 2025
Green hydrogen (GH2) is emerging as a key driver of global energy transition, offering sustainable pathway to decarbonize systems and achieve climate objectives. This review critically examines the state GH2 research production technologies their integration into renewable systems, supported by bibliometric analysis recent literature. Produced via electrolysis powered energy, shows significant potential industries, enhance grid stability, support Power-to-X paradigm, which interlinks electricity, heating, transportation, industrial applications. However, widespread adoption faces challenges, including high costs, infrastructure constraints, need for robust regulatory frameworks. Addressing these barriers requires advancements in electrolyzer efficiency, scalable fuel cell technologies, efficient storage solutions. Sector-coupled smart grids incorporating demonstrate integrate enhancing utilization ensuring system reliability. Economic analyses predict that can cost parity with fossil fuels 2030 will play foundational role low-carbon 2050. Its ability convert surplus electricity clean carriers positions it cornerstone decarbonizing energy-intensive sectors, such industry, heating. underscores transformative creating future. By addressing technical, economic, policy challenges through coordinated efforts innovation development, accelerate transition carbon-neutral contribute achieving goals.
Language: Английский
Citations
7
Journal of Colloid and Interface Science, Journal Year: 2025, Volume and Issue: 685, P. 304 - 320
Published: Jan. 13, 2025
Language: Английский
Citations
5
Energy & Fuels, Journal Year: 2024, Volume and Issue: 38(14), P. 12387 - 12408
Published: April 11, 2024
Proton exchange membrane (PEM) water electrolysis has emerged as a highly promising technology for sustainable hydrogen (H2) production, but its widespread application relies heavily on the development of high-performance and cost-effective evolution reaction (HER) oxygen (OER) electrocatalysts. Currently, noble-metal-based materials (such Pt Ir/Ru oxides) serve benchmark electrocatalysts HER OER in acidic environments, their high cost limited availability pose major challenges toward industrialization. Low-cost noble-metal-free metal oxides are an important class functional with rich compositions structures, offering flexible electronic crystal structures tunable physical chemical properties. In this Review, we present comprehensive timely summary remarkable progress achieved field catalyzing OER. First, provide brief description fundamental concepts media, including mechanisms, computational activity descriptors, experimental parameters that utilized evaluation catalytic performance. Second, overview is provided covering various types media reported so far (e.g., simple transition oxides, spinel rutile antimonate perovskite specially structured mixed-metal-oxide composites), focus designed strategies enhancing performance establishing correlations between properties activity. Lastly, future research directions regarding summarized discussed.
Language: Английский
Citations
16
Small, Journal Year: 2024, Volume and Issue: 20(33)
Published: March 20, 2024
Transition metal hydroxides have attracted significant research interest for their energy storage and conversion technique applications. In particular, nickel hydroxide (Ni(OH)
Language: Английский
Citations
15
International Journal of Hydrogen Energy, Journal Year: 2025, Volume and Issue: 106, P. 1267 - 1274
Published: Feb. 8, 2025
Language: Английский
Citations
2