BioNanoScience, Journal Year: 2024, Volume and Issue: unknown
Published: Aug. 31, 2024
Language: Английский
ChemSusChem, Journal Year: 2024, Volume and Issue: 17(15)
Published: March 14, 2024
Water electrolysis driven by "green electricity" is an ideal technology to realize energy conversion and store renewable into hydrogen. With the development of proton exchange membrane (PEM), water in acidic media suitable for many situations with outstanding advantage high gas purity has attracted significant attention. Compared hydrogen evolution reaction (HER) electrolysis, oxygen (OER) a kinetic sluggish process that needs higher overpotential. Especially media, OER poses requirements electrocatalysts, such as efficiency, stability low costs. This review focuses on electrocatalysis, mechanisms, critical parameters used evaluate performance. modification strategies applied design construction new-type electrocatalysts are also summarized. The characteristics traditional noble metal-based metal-free developed recent decades compared discussed. Finally, current challenges most promising presented, together perspective future electrolysis.
Language: Английский
Citations
13
Journal of Materials Chemistry A, Journal Year: 2025, Volume and Issue: unknown
Published: Jan. 1, 2025
Three-dimensional ordered meso-structured PtCo alloy nanoparticles are fabricated to enhance O 2 diffusion and accelerate the kinetics of oxygen reduction in proton-exchange membrane fuel cells.
Language: Английский
Citations
1
ACS Applied Materials & Interfaces, Journal Year: 2025, Volume and Issue: unknown
Published: Jan. 24, 2025
Carbon fiber (CF) has been widely used in aerospace, military, infrastructure, sports, and leisure fields owing to its excellent mechanical properties, superior corrosion friction resistances, thermal stability, lightweight. However, the ultrablack appearance derived from extremely strong absorption of light throughout entire visible region makes it difficult satisfy aesthetic pleasurable demands colorful world limits their applications a broader field. Herein, inspired by Japanese jewel beetle, double-layer ultrathin Al2O3/TiO2 composite structure was fabricated on CFs atomic layer deposition method. exhibited desired color diversity controlling thickness Al2O3 TiO2 films without changing total film's structure. Meanwhile, colored have no change/destruction after series environmental durability measurements remarkable superdurability flame retardancy. Our work provides insights for innovative, high-performance, multifunctional CF that can help achieve high quality sustainable development industry.
Language: Английский
Citations
1
Advanced Sustainable Systems, Journal Year: 2024, Volume and Issue: unknown
Published: June 3, 2024
Abstract Electrocatalytic and photocatalytic nitrogen fixation have become new ways to achieve green reduction because of their environmentally friendly cost‐effective characteristics. At present, there has been an increasing curiosity about using metal‐organic frameworks (MOFs) for photocatalysis electrocatalysis. However, electrocatalytic ammonia production is still not practical applications. Having a thorough understanding necessary the advancement applications development highly efficient catalysts in future. The catalytic activity MOF itself limited. By adjusting exposure active sites through low‐temperature calcination solvent addition, photogenerated carrier recombination inhibited, adsorption activation N 2 are enhanced, improving its performance This review examines reported photocatalysts, electrocatalysts, photoelectrocatalysts based on MOFs associated materials. underlying mechanism electrocatalysis elucidated. Additionally, inclusive survey related materials as reaction (NRR) presented, with representative examples discussed. Finally, research progress MOF‐based summarized prospected.
Language: Английский
Citations
6
Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: unknown
Published: Nov. 13, 2024
Nanographenes are among the fastest-growing materials used for oxygen reduction reaction (ORR) thanks to their low cost, environmental friendliness, excellent electrical conductivity, and scalable synthesis. The perspective of replacing precious metal-based electrocatalysts with functionalized graphene is highly desirable reducing costs in energy conversion storage systems. Generally, enhanced ORR activity nanographenes typically deemed originate from heteroatom doping effect, size defects and/or synergistic effect. All these factors can efficiently modify charge distribution on sp
Language: Английский
Citations
4
Journal of Colloid and Interface Science, Journal Year: 2025, Volume and Issue: 693, P. 137620 - 137620
Published: April 16, 2025
Language: Английский
Citations
0
Nano-Micro Letters, Journal Year: 2025, Volume and Issue: 17(1)
Published: April 21, 2025
Abstract Urgent requirements of the renewable energy boost development stable and clean hydrogen, which could effectively displace fossil fuels in mitigating climate changes. The efficient interconversion hydrogen electronic is highly based on polymer electrolyte membrane fuel cells (PEMFCs) water electrolysis (PEMWEs). However, high cost continues to impede large-scale commercialization both PEMFC PEMWE technologies, with expense primarily attributed noble catalysts serving as a major bottleneck. reduction Pt loading PEMFCs essential but limited by oxygen transport resistance cathode catalyst layers (CCLs), while anode (ACLs) PEMWEs also being focused Ir/IrO x reduced. pore structure catalyst–ionomer agglomerates play important roles process due similarity electrode assembly (MEA). Herein, mechanism ionomer thin films CCLs systematically reviewed, state-of-the-art strategies are presented for enhancing performance through materials structural design. deeply research opens avenues exploring similar key scientific problems their further development.
Language: Английский
Citations
0
Exploration, Journal Year: 2025, Volume and Issue: unknown
Published: Feb. 4, 2025
ABSTRACT Photoelectrochemical (PEC) systems harness light absorption to initiate chemical reactions, while electrochemical reactions facilitate the conversion of reactants into desired products, ensuring more efficient and sustainable energy in PECs. Central optimizing performance PECs was pivotal role played by interface engineering. This intricate process involves manipulating material interfaces at atomic or nanoscale enhance charge transfer, improve catalytic activity, address limitations associated with bulk materials. The careful tuning factors such as band gap, surface energy, crystallinity, defect characteristics, structural attributes through engineering led superior efficiency. Specifically, significantly enhanced efficiency semiconductor‐based Engineers strategically designed heterojunctions manipulated catalyst properties optimize separation migration photogenerated carriers, minimizing recombination losses improving overall. review categorizes discussion four sections focusing on PECs, providing valuable insights recent research trends. Overall, synergy between holds tremendous promise for advancing renewable technologies addressing environmental challenges offering innovative solutions storage.
Language: Английский
Citations
0
Chemical Engineering Journal Advances, Journal Year: 2025, Volume and Issue: unknown, P. 100748 - 100748
Published: April 1, 2025
Language: Английский
Citations
0
International Journal of Hydrogen Energy, Journal Year: 2025, Volume and Issue: 125, P. 86 - 99
Published: April 8, 2025
Language: Английский
Citations
0