Co-Mn-S nanosheets decorated with CeO2: A highly active electrocatalyst toward oxygen evolution reaction

被引：17

作者：

Xiao, Feng ^{[1
]}

Zhou, Pengcheng ^{[1
]}

Weng, Ruixue ^{[1
]}

Yang, Peilin ^{[1
]}

Tang, Weishan ^{[1
]}

Liao, Lei ^{[1
]}

Wang, Yuan ^{[1
]}

Zhao, Maojie ^{[1
]}

Zhang, Wenxi ^{[2
]}

He, Ping ^{[1
,3
]}

Jia, Bin ^{[3
,4
]}

机构：

[1] Southwest Univ Sci & Technol, Sch Mat Sci & Engn, Mianyang 621010, Sichuan, Peoples R China

[2] Lu Zhou Lao Jiao Co Ltd, Luzhou 646000, Sichuan, Peoples R China

[3] Southwest Univ Sci & Technol, Int Sci & Technol Cooperat Lab Micronanoparticle, Mianyang 621010, Sichuan, Peoples R China

[4] Southwest Univ Sci & Technol, Key Lab Shock & Vibrat Engn Mat & Struct Sichuan, Mianyang 621010, Sichuan, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2022年 / 901卷

基金：

中国国家自然科学基金;

关键词：

Water splitting; Oxygen evolution reaction; Electrocatalysis; CeO2; Co-Mn-S; HYDROGEN EVOLUTION; ULTRATHIN NANOSHEETS; WATER; CATALYST; NANOWIRES; HETEROSTRUCTURE; ARRAYS; CARBON; FOAM;

D O I：

10.1016/j.jallcom.2022.163621

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：

Groping for catalysts with outstanding activity and durability is of significance toward oxygen evolution reaction (OER). We have fabricated a self-supporting electrode by decorating CeO2 on Co-Mn-S nanosheets grown on nickel foam (CeO2/Co-Mn-S/NF). As-prepared material shows preeminent electrocatalytic activity toward OER, with minor overpotential (239 mV at 10 mA cm(-2)) and Tafel slope (93.2 mV dec(-1)). Particularly, CeO2/Co-Mn-S/NF exhibits small charge transfer resistance, revealing quick Faradic process and favorable OER kinetics. Moreover, during uninterrupted water oxidation process, CeO2/Co-Mn-S/NF remains long-term stability. The strategy of decorating CeO2 on Co-Mn-S nanosheets opens a new perspective for designing highly efficient electrocatalysts toward OER. (C) 2022 Elsevier B.V. All rights reserved.

引用

页数：8

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