NiCo-selenide as a novel catalyst for water oxidation

被引：66

作者：

Zhao, Xiyu ^{[1
]}

Yang, Yang ^{[1
]}

Li, Yanhong ^{[2
]}

Cui, Xun ^{[1
]}

Zhang, Yunhuai ^{[1
]}

Xiao, Peng ^{[1
,2
]}

机构：

[1] Chongqing Univ, Coll Chem Engn, Chongqing 400044, Peoples R China

[2] Chongqing Univ, Coll Phys, Chongqing 400044, Peoples R China

来源：

JOURNAL OF MATERIALS SCIENCE | 2016年 / 51卷 / 08期

关键词：

OXYGEN REDUCTION; HIGH-PERFORMANCE; FACILE SYNTHESIS; CATION-EXCHANGE; COBALT OXIDE; EVOLUTION; ELECTROCATALYST; GRAPHENE; HYDROXIDE; ARRAYS;

D O I：

10.1007/s10853-015-9690-9

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The design and fabrication of sustainable and efficient electrocatalyst for water splitting are crucial for rechargeable metal-air batteries and regenerative fuel cells. In this report, a highly stable and active NiCo-selenide electrocatalyst was successfully prepared by a facile two-step solvothermal approach. In 0.1 M KOH alkaline electrolyte solution, the novel NiCo-selenide electrocatalyst afforded the current density of 10 mA cm(-2) at a lower overpotential of 393 mV, a smaller Tafel slope of similar to 89 mV dec(-1) and better stability, compared with NiCo-based oxide and sulfide.

引用

页码：3724 / 3734

页数：11

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