Facile synthesis of nanoflower-like phosphorus-doped Ni3S2/CoFe2O4 arrays on nickel foam as a superior electrocatalyst for efficient oxygen evolution reaction

被引：120

作者：

Duan, Jiao-Jiao ^{[1
]}

Zhang, Ru-Lan ^{[1
]}

Feng, Jiu-Ju ^{[1
]}

Zhang, Lu ^{[1
]}

Zhang, Qian-Li ^{[2
]}

Wang, Ai-Jun ^{[1
]}

机构：

[1] Zhejiang Normal Univ, Coll Geog & Environm Sci, Coll Chem & Life Sci, Key Lab,Minist Educ Adv Catalysis Mat, Jinhua 321004, Zhejiang, Peoples R China

[2] Suzhou Univ Sci & Technol, Sch Chem & Biol Engn, Suzhou 215009, Peoples R China

来源：

JOURNAL OF COLLOID AND INTERFACE SCIENCE | 2021年 / 581卷

关键词：

Flower-like structures; Nickle foam; Hydrothermal treatment; Phosphorization; Oxygen evolution reaction; HIGHLY EFFICIENT; NI FOAM; BIFUNCTIONAL ELECTROCATALYST; EXCELLENT ELECTROCATALYST; CATALYTIC-ACTIVITY; NANONEEDLE ARRAYS; NANOSHEET ARRAYS; GRAPHENE; HOLLOW; ELECTRODES;

D O I：

10.1016/j.jcis.2020.08.005

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：

Developing cost-effectiveness and superior electrocatalysts is crucial to improve the efficiency of oxygen evolution reaction (OER) in water splitting system. Hence, flower-like phosphorus doped Ni3S2/CoFe2O4 arrays (P-Ni3S2/CoFe2O4/NF) were generated on three-dimensional (3D) nickel foam (NF) via the two-step hydrothermal treatment and subsequent phosphorization. Additionally, a series of control experiments were conducted to investigate the formation mechanism. By virtue of the unique 3D configurations and multi-compositions, the as-prepared catalyst exhibited greatly improved OER performance in 1.0 M KOH solution, with the overpotential of only 254 mV at 50 mA cm(-2) and low Tafel slope of 54.43 mV dec(-1). This study provides a feasible approach for preparing advanced electrocatalyst in energy conversion and storage devices. (C) 2020 Elsevier Inc. All rights reserved.

引用

页码：774 / 782

页数：9

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