Chemical Communications, Journal Year: 2025, Volume and Issue: unknown
Published: Jan. 1, 2025
Metal–organic frameworks show superior electrocatalytic oxygen evolution activity compared with conventional inorganic metal oxides because organic ligands modify the d-orbitals of active metals.
Language: Английский
The Chemical Record, Journal Year: 2025, Volume and Issue: unknown
Published: Feb. 18, 2025
Abstract Solid‐state crystalline multimetal oxides have been widely studied for their applications as electrode materials, e. g., in fuel cells, water electrolyzer, lithium‐ion batteries, and metal‐air batteries. Particularly, hydrogen production via electrolysis is considered a key technology realizing sustainable circular carbon society. Enhancing the activity of electrocatalysts critical challenge improving efficiency technology. Thus, strategies designing prominent catalyst materials drawn considerable attention. Our group has conducting research aimed at establishing comprehensive design rational rapid development highly active catalysts. In this Personal Account, we present our efforts on enhancing cost‐efficient nonprecious metal‐based oxide catalysts oxygen evolution reaction anode electrolysis. Specifically, propose based crystal structures demonstrate how these contributed to electrocatalysts.
Language: Английский
Citations
1
Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown
Published: March 5, 2025
Abstract The development of highly active iridium oxides with excellent stability in acidic environments and significantly reduced Ir content is crucial for advancing competitive proton exchange membrane water electrolyzer (PEMWE) technologies. In this study, an intrinsically acid‐stable low‐iridium (Ir/IrO x (OH) y ·(H 2 O) n ) OER electrocatalyst via alkali‐assisted ethylene glycol reduction method designed. Ir/IrO shows a hollandite‐like structure abundant edge‐sharing IrO 6 octahedra that accommodates structural OH ligands its tunnels. situ/operando spectroscopies demonstrate lattice (or ligands)–mediated oxygen bypasses key rate‐limiting steps the process, including oxygen–oxygen bond formation adsorbate evolution mechanism (AEM) deprotonation (LOM), which typically hinder efficiency. Moreover, interfacial are shown to accelerate intermediates, thereby enhancing kinetics hydrogen reaction (HER). resulting catalyst achieves lower overpotential 1.79 V exhibits high durability, sustaining 1200 h at 1 A cm −2 under industrial conditions. These findings highlight potential high‐performance, durable PEMWE systems.
Language: Английский
Citations
0
ACS Applied Materials & Interfaces, Journal Year: 2025, Volume and Issue: unknown
Published: April 17, 2025
Various catalytic reactions such as water oxidation to O2 and CO2 reduction have been achieved using the surfaces of inorganic materials reaction sites, exemplified by oxygen-defect-induced in metal oxides. In recent years, anion-controlled post-transition-metal oxide attracted attention. These shown exhibit unique reactivity that cannot be with oxides because effect paired anion species coexisting anions. They also enable highly difficult surface properties resulting from molecular nature species. This Perspective reports on developments small-molecule conversion catalyzed materials.
Language: Английский
Citations
0
Journal of Asian Ceramic Societies, Journal Year: 2025, Volume and Issue: unknown, P. 1 - 17
Published: May 12, 2025
Language: Английский
Citations
0
Chemical Communications, Journal Year: 2025, Volume and Issue: unknown
Published: Jan. 1, 2025
Metal–organic frameworks show superior electrocatalytic oxygen evolution activity compared with conventional inorganic metal oxides because organic ligands modify the d-orbitals of active metals.
Language: Английский
Citations
0