Direct growth of NiCo2O4 nanostructure on conductive substrate by electrospray technique for oxygen evolution reaction

被引：24

作者：

He, Jingjing ^{[1
]}

Sun, Yu ^{[1
]}

Wang, Meng ^{[1
]}

Geng, Zhibin ^{[1
]}

Wu, Xiaofeng ^{[1
]}

Wang, Lei ^{[2
]}

Chen, Huanwen ^{[1
]}

Huang, Keke ^{[1
]}

Feng, Shouhua ^{[1
]}

机构：

[1] Jilin Univ Changchun, State Key Lab Inorgan Synth & Preparat Chem, Coll Chem, Changchun 130012, Jilin, Peoples R China

[2] Qingdao Univ Sci & Technol, Coll Chem & Mol Engn, Key Lab Ecochem Engn, Minist Educ,Inorgan Synth & Appl Chem, Qingdao 266042, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2018年 / 752卷

关键词：

NiCo2O4; Electrospray technique; Nanostructure; Oxygen evolution reaction; EFFICIENT ELECTROCATALYSTS; THIN-FILMS; PERFORMANCE; NANOSHEETS; HYBRID; ELECTRODES; NANOCAGES; DEPOSITION; REDUCTION; STABILITY;

D O I：

10.1016/j.jallcom.2018.04.132

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：

Electrical conductivity between substrate and catalyst is a key factor restricting the OER (oxygen evolution reaction) catalytic activity of transition metal oxides. Herein we report a facile and direct route for synthesizing spinel NiCo2O4 nanostructure on conductive substrates by electrospray technique. By simply altering the substrate temperature, film thickness and voltage, NiCo2O4 with different morphology and electrocatalytic performance was obtained. The optimal performance showed a low overpotential of 375 mV at 10 mA/cm(2) and an excellent stability over 15 h. This work proved that electrospray technology is an effective strategy to fabricate the binder-free catalysts with high activity and stability for OER. (C) 2018 Elsevier B.V. All rights reserved.

引用

页码：389 / 394

页数：6

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