Local structure engineering for active sites in fuel cell electrocatalysts

被引：15

作者：

Cheng, Han ^{[1
]}

Gui, Renjie ^{[1
]}

Liu, Si ^{[1
]}

Xie, Yi ^{[1
,2
]}

Wu, Changzheng ^{[1
,2
]}

机构：

[1] Univ Sci & Technol China, CAS Key Lab Mech Behav & Design Mat, Collaborat Innovat Ctr Chem Energy Mat iChEM, Hefei Natl Lab Phys Sci Microscale,CAS Ctr Excel, Hefei 230026, Peoples R China

[2] Hefei Comprehens Natl Sci Ctr, Inst Energy, Hefei 230026, Peoples R China

来源：

SCIENCE CHINA-CHEMISTRY | 2020年 / 63卷 / 11期

基金：

中国国家自然科学基金;

关键词：

local structure engineering; proton exchange membrane fuel cells; oxygen reduction reaction; active sites; OXYGEN REDUCTION REACTION; PROTON-EXCHANGE MEMBRANE; FE-N-C; DENSITY-FUNCTIONAL-THEORY; NITROGEN-DOPED CARBON; HIGH-SURFACE-AREA; ENERGY-CONVERSION; CATALYTIC-ACTIVITY; ELECTRIC VEHICLES; CATHODE CATALYSTS;

D O I：

10.1007/s11426-020-9828-5

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

In this review, we surveyed the significance of local structure engineering on electrocatalysts and electrodes for the performance of oxygen reduction reaction (ORR) in proton exchange membrane fuel cells (PEMFCs). Both on precious metal catalysts (PMC) and non-precious metal catalysts (NPMC), the main methods to modulate local structure of active sites have been summarized. By change of atomic coordination, modulation of bonding distortion and synergy effect from hierarchical structure, local structure engineering has influence on the intrinsic activity and stability of electrocatalysts. Moreover, we emphasized the intimate correlation between lyophobicity of electrocatalysts and membrane electrodes by local structure engineering. Our review aimed to inspire the exploration of advanced electrocatalysts and mechanism study for PEMFCs based on local structure engineering.

引用

页码：1543 / 1556

页数：14

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