Recent advances in regulating the performance of acid oxygen reduction reaction on carbon-supported non-precious metal single atom catalysts

被引：57

作者：

Wang, Yanqiu ^{[1
]}

Hao, Jiayu ^{[1
]}

Liu, Yang ^{[1
]}

Liu, Min ^{[2
]}

Sheng, Kuang ^{[1
]}

Wang, Yue ^{[1
]}

Yang, Jun ^{[1
]}

Li, Jie ^{[1
]}

Li, Wenzhang ^{[1
]}

机构：

[1] Cent South Univ, Sch Chem & Chem Engn, Changsha 410083, Hunan, Peoples R China

[2] Cent South Univ, Sch Phys & Elect, Changsha 410083, Hunan, Peoples R China

来源：

JOURNAL OF ENERGY CHEMISTRY | 2023年 / 76卷

基金：

中国国家自然科学基金;

关键词：

Oxygen reduction reaction; Single atom catalysts; Microenvironment of center metal; Regulation of center metal atoms; Electron structure; Proton-exchange-membrane fuel cells; FE-N-C; ACTIVE-SITES; EFFICIENT OXYGEN; RATIONAL DESIGN; IRON; IDENTIFICATION; ELECTROCATALYSTS; MECHANISMS; DESCRIPTOR; NANOTUBES;

D O I：

10.1016/j.jechem.2022.09.047

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Developing high performance and low-cost catalysts for oxygen reduction reaction (ORR) in challenging acid condition is vital for proton-exchange-membrane fuel cells (PEMFCs). Carbon-supported non -precious metal single atom catalysts (SACs) have been identified as potential catalysts in the field. Great advance has been obtained in constructing diverse active sites of SACs for improving the perfor-mance and understanding the fundamental principles of regulating acid ORR performance. However, the ORR performance of SACs is still unsatisfactory. Importantly, microenvironment adjustment of SACs offers chance to promote the performance of acid ORR. In this review, acid ORR mechanism, atten-uation mechanism and performance improvement strategies of SACs are presented. The strategies for promoting ORR activity of SACs include the adjustment of center metal and its microenvironment. The relationship of ORR performance and structure is discussed with the help of advanced experimental investigations and theoretical calculations, which will offer helpful direction for designing advanced SACs for ORR.(c) 2022 Science Press and Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by ELSEVIER B.V. and Science Press. All rights reserved.

引用

页码：601 / 616

页数：16

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