One-Step Electrodeposition of S-Doped Cobalt-Nickel Layered Double Hydroxides on Conductive Substrates and their Electrocatalytic Activity in Alkaline Media

被引：42

作者：

Qian, Lei ^{[1
]}

Chen, Wen ^{[1
]}

Liu, Miaomiao ^{[1
]}

Jia, Qiannan ^{[1
]}

Xiao, Dan ^{[2
]}

机构：

[1] Chengdu Univ Technol, Coll Mat & Chem & Chem Engn, Er Xian Bridge, Dong San Rd,1, Chengdu 610059, Sichuan, Peoples R China

[2] Sichuan Univ, Coll Chem, 29 Wangjiang Rd, Chengdu 610064, Peoples R China

来源：

CHEMELECTROCHEM | 2016年 / 3卷 / 06期

关键词：

cyclic voltammetry; electrodeposition; layered double hydroxides; methanol oxidation; oxygen evolution reaction; OXYGEN EVOLUTION REACTION; PERFORMANCE ASYMMETRIC SUPERCAPACITORS; METHANOL OXIDATION; ELECTROPHORETIC DEPOSITION; SULFIDE NANOWIRES; FILMS; BATTERIES; THIOUREA; ARRAYS; ELECTROOXIDATION;

D O I：

10.1002/celc.201600022

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

S-doped Co-Ni layered double hydroxides (S-LDHs) with different morphologies were successfully grown on different conductive substrates through a one-step cyclic voltammetry electrodeposition method by using thiourea (TU) as the sulfur source. The electrodeposition mechanism and the morphology changes of the S-LDHs on different conductive substrates are discussed. The S-LDHs on stainless steel (SS) (S-LDHs/SS) can be directly used as binder-free electrodes for the methanol oxidation reaction (MOR) and the oxygen evolution reaction (OER). The electrocatalytic performances were investigated by using cyclic voltammetry, chronoamperometry, and electrochemical impedance spectroscopy measurements. The electrochemical results indicate that the S-LDHs electrocatalyze MOR and OER in alkaline media, and the electrocatalytic activity was higher than that of the undoped Co-Ni LDHs.

引用

页码：950 / 958

页数：9

共 58 条

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