Contribution of carbon support in cost-effective metal oxide/carbon composite catalysts for the alkaline oxygen evolution reaction

被引：17

作者：

Cai, Weiwei ^{[1
]}

Zhang, Xinlei ^{[1
]}

Shi, Jiawei ^{[1
]}

Li, Jing ^{[1
]}

Liu, Zhao ^{[1
]}

Zhou, Shunfa ^{[1
]}

Jia, Xiaomeng ^{[1
]}

Xiong, Jie ^{[1
]}

Qu, Konggang ^{[2
]}

Huang, Yunjie ^{[1
]}

机构：

[1] China Univ Geosci Wuhan, Fac Mat Sci & Chem, Sustainable Energy Lab, 388 Lumo Rd, Wuhan 430074, Hubei, Peoples R China

[2] Liaocheng Univ, Shandong Prov Key Lab, Collaborat Innovat Ctr Chem Energy Storage & Nove, Liaocheng 252059, Shandong, Peoples R China

来源：

CATALYSIS COMMUNICATIONS | 2019年 / 127卷

基金：

中国国家自然科学基金;

关键词：

Oxygen evolution reaction; Cost-effective-metal oxide; Carbon support; Co-catalysis; Electronic conduction; Specific surface area; PEROVSKITE; REDUCTION; OXIDES;

D O I：

10.1016/j.catcom.2019.04.016

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

In order to reveal the contribution of carbon support in metal oxide-based catalysts for the oxygen evolution reaction (OER), the active carbon is facilely functionalized with various active groups and composite with Ba0.5Sr0.5CO0.8Fe0.2O3-delta (BSCF). By systemically investigating the electrochemical catalytic properties of the composite catalysts, it can be found that the enhancement in the OER activity of BSCF is mainly attributed to the co-catalysis effect with the OER process altered. The effect of carbon support on the electron conductivity improvement, which is widely considered in electrochemical systems, can be ignored during the OER catalysis on the rotating disk electrode. Functionalization with proper groups of the carbon support is, therefore, considered to be an effective and facile strategy to further improve the OER activity of metal oxide-based catalysts.

引用

页码：5 / 9

页数：5

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