Improving catalytic activity of metal telluride by hybridization: An efficient Ni3Te2-CoTe composite electrocatalyst for oxygen evolution reaction

被引：46

作者：

Xu, Jun ^{[1
,2
]}

Yin, Yaqing ^{[1
]}

Xiong, Huiqian ^{[1
]}

Du, Xiaodi ^{[1
]}

Jiang, Yingjie ^{[3
]}

Guo, Wei ^{[4
]}

Wang, Zhao ^{[4
]}

Xie, Zhizhong ^{[1
]}

Qu, Deyu ^{[1
]}

Tang, Haolin ^{[4
]}

Deng, Qibo ^{[5
]}

Li, Junsheng ^{[1
]}

机构：

[1] Wuhan Univ Technol, Sch Chem Chem Engn & Life Sci, Wuhan 430070, Hubei, Peoples R China

[2] Wuhan Univ Technol, Res Ctr Mat Genome Engn, Wuhan 430070, Hubei, Peoples R China

[3] Hui Autonomous Prefectures 1 Middle Sch, Changji 831100, Peoples R China

[4] Wuhan Univ Technol, State Key Lab Adv Technol Mat Synth & Proc, Wuhan 430070, Hubei, Peoples R China

[5] Tianjin Univ Technol, Tianjin Key Lab Adv Funct Porous Mat, Inst New Energy Mat & Low Carbon Technol, Sch Mat Sci & Engn, Tianjin 300384, Peoples R China

来源：

APPLIED SURFACE SCIENCE | 2019年 / 490卷

基金：

中国博士后科学基金; 中国国家自然科学基金;

关键词：

Ni3Te2; CoTe; Electrocatalysis; Oxygen evolution reaction; WATER; ALKALINE; HETEROSTRUCTURES; FABRICATION; MOS2/NI3S2; HYDROGEN; COTE2; FOAM;

D O I：

10.1016/j.apsusc.2019.06.080

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：

Development of high-performance electrocatalysts for oxygen evolution reaction (OER) is the key to improve the efficiency of many energy conversion process. Metal telluride is a type of low-cost OER catalyst with promising activity. To improve the OER performance of metal telluride, we propose herein the design of composite metal telluride OER catalyst that fully utilizes the advantages of each component in the composite. The developed Ni3Te2-CoTe/CC composite electrocatalyst has a high OER performance than its Ni3Te2 and CoTe counterpart. The improved OER performance of the composite Ni3Te2-CoTe electrocatalyst can be on one hand ascribed to the high density of state near Fermi level in Ni3Te2 phase, as suggested by DFT analysis. On the other hand, the introduction of CoTe phase in the composite effectively enlarges the electrochemical surface area of the catalyst, thus improving the activity of the composite.

引用

页码：516 / 521

页数：6

共 30 条

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