Enhancing Oxygen Reduction Reaction of Single-Atom Catalysts by Structure Tuning

被引：1

作者：

Song, Kexin ^{[1
]}

Jing, Haifeng ^{[1
]}

Yang, Binbin ^{[1
]}

Shao, Jing ^{[2
]}

Tao, Youkun ^{[3
]}

Zhang, Wei ^{[1
]}

机构：

[1] Jilin Univ, Key Lab Automobile Mat, Sch Mat Sci & Engn, Electron Microscopy Ctr,Int Ctr Future Sci,Jilin P, Changchun 130012, Peoples R China

[2] Shenzhen Univ, Coll Chem & Environm Engn, Shenzhen 518055, Peoples R China

[3] Harbin Inst Technol, Coll Sci, Shenzhen 518055, Peoples R China

来源：

CHEMSUSCHEM | 2025年 / 18卷 / 02期

基金：

中国国家自然科学基金;

关键词：

Single-atom catalysts (SACs); Oxygen reduction reaction (ORR); Fine structure; Action mechanism; Oxygen-containing intermediates (OCs); N-C CATALYSTS; ACTIVE-SITES; SPIN-STATE; FUEL-CELLS; CARBON; ELECTROCATALYSTS; COORDINATION; GRAPHENE; ELECTROREDUCTION; IDENTIFICATION;

D O I：

10.1002/cssc.202401713

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Deciphering the fine structure has always been a crucial approach to unlocking the distinct advantages of high activity, selectivity, and stability in single-atom catalysts (SACs). However, the complex system and unclear catalytic mechanism have obscured the significance of exploring the fine structure. Therefore, we endeavored to develop a three-component strategy to enhance oxygen reduction reaction (ORR), delving deep into the profound implications of the fine structure, focusing on central atoms, coordinating atoms, and environmental atoms. Firstly, the mechanism by which the chemical state and element type of central atoms influence catalytic performance is discussed. Secondly, the significance of coordinating atoms in SACs is analyzed, considering both the number and type. Lastly, the impact of environmental atoms in SACs is reviewed, encompassing existence state and atomic structure. Thorough analysis and summarization of how the fine structure of SACs influences the ORR have the potential to offer valuable insights for the accurate design and construction of SACs.

引用

页数：18

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