Prussian blue analogues-derived bimetallic iron-cobalt selenides for efficient overall water splitting

被引：60

作者：

Zhang, Wuxiang ^{[1
]}

Zhang, Hao ^{[1
]}

Luo, Rui ^{[1
]}

Zhang, Ming ^{[1
]}

Yan, Xin ^{[1
]}

Sun, Xiuyun ^{[1
]}

Shen, Jinyou ^{[1
]}

Han, Weiqing ^{[1
]}

Wang, Lianjun ^{[1
]}

Li, Jiansheng ^{[1
]}

机构：

[1] Nanjing Univ Sci & Technol, Sch Environm & Biol Engn, Key Lab Jiangsu Prov Chem Pollut Control & Resour, Nanjing 210094, Jiangsu, Peoples R China

来源：

JOURNAL OF COLLOID AND INTERFACE SCIENCE | 2019年 / 548卷

基金：

中国国家自然科学基金;

关键词：

Prussian Blue Analogues; Bimetallic selenides; Electrochemical water splitting; NITROGEN-DOPED CARBON; BIFUNCTIONAL ELECTROCATALYSTS; NANOPARTICLES; HYDROGEN; PERFORMANCE; GRAPHENE; CATALYST; FIBER; MORPHOLOGIES; NANOTUBES;

D O I：

10.1016/j.jcis.2019.04.029

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：

The efficient and durable catalysts toward electrochemical water-splitting plays significant role in clean and renewable energy storage applications. Herein, we design the Prussian blue analogues precursor by self-assembled strategy and converted it to (Fe-Co)Se-2 composite by post-selenization method. Benefiting of unique porous morphology, high electrochemically active surface area and fast electron transfer ability, the excellent oxygen evolution reaction (OER) and hydrogen evolution reaction (HER) performance of (Fe-Co)Se-2 catalyst were obtained. It was revealed that only require overpotentials of 251 mV to arrive a current density of 10 mA cm(-2) in OER system, and 90 mV was accomplished at a current density of 10 mA cm(-2) toward the HER activity, along with low Tafel slope of 47.6 and 58.7 mV dec(-1) was achieved for OER and HER, respectively. The (Fe-Co)Se-2 catalysts with high electrochemical activity at the same time long-time durability may encourage more practical catalytic applications for renewable energy technologies. (C) 2019 Elsevier Inc. All rights reserved.

引用

页码：48 / 55

页数：8

共 58 条

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