Bismuth activated succulent-like binary metal sulfide heterostructure as a binder-free electrocatalyst for enhanced oxygen evolution reaction

被引：36

作者：

Wang, Shuai ^{[1
]}

Xue, Weidong ^{[1
]}

Fang, Yuan ^{[1
]}

Li, Yongqing ^{[2
]}

Yan, Liuliu ^{[2
]}

Wang, Wenjian ^{[1
]}

Zhao, Rui ^{[1
]}

机构：

[1] Univ Elect Sci & Technol China, Sch Mat & Energy, 4,Sect 2,North Jianshe Rd, Chengdu 610054, Peoples R China

[2] Naval Univ Engn, Coll Naval Architecture & Ocean Engn, 717 Jiefang Ave, Wuhan 430033, Peoples R China

来源：

JOURNAL OF COLLOID AND INTERFACE SCIENCE | 2020年 / 573卷

关键词：

Oxygen evolution reaction; Bi2S3/Ni3S2/NF; Electronic inductive effect; Self-assembled; Heterostructure; HIGHLY EFFICIENT; NANOWIRE ARRAYS; NICKEL FOAM; NI FOAM; WATER; NANOPARTICLES; NANOSHEETS; PERFORMANCE; NICO2S4;

D O I：

10.1016/j.jcis.2020.03.098

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：

Oxygen evolution reaction (OER) is the key to achieve highly efficient hydrogen production during water splitting. Herein, flexible nanorods-integrated succulent-like Bi2S3/Ni3S2/NF heterostructure has been prepared by a facile solvothermal method and applied for OER. We highlight the unique nonequivalent sp a hybridization of P-region metal based sulfides, which makes a possibility of electronic inductive effect and enhanced electrocatalytic performance. The Bi2S3/Ni3S2/NF catalyst shows low overpotential 268 mV at 10 mA cm(-2) and low Tafel slope of 82 mV dec(-1). Long-term stability evaluated at high current density suggests that succulent-like Bi2S3/Ni3S2 could be a promising alternative to noble-metal based electrocatalysts for water oxidation reaction in alkaline medium. (C) 2020 Elsevier Inc. All rights reserved.

引用

页码：150 / 157

页数：8

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