An efficient bifunctional electrocatalyst for water splitting based on cobalt phosphide

被引：38
|
作者：
Yang, Libin [1 ,2 ,3 ]
Qi, Honglan [1 ]
Zhang, Chengxiao [1 ]
Sun, Xuping [2 ,3 ]
机构：
[1] Shaanxi Normal Univ, Sch Chem & Chem Engn, Minist Educ, Key Lab Appl Surface & Colloid Chem, Xian 710062, Peoples R China
[2] Sichuan Univ, Coll Chem, Chengdu 610064, Sichuan, Peoples R China
[3] Sichuan Univ, Analyt & Testing Ctr, Chengdu 610064, Sichuan, Peoples R China
来源：
NANOTECHNOLOGY | 2016年 / 27卷 / 23期
关键词：
cobalt phosphide; nanowire array; hydrogen evolution reaction; oxygen evolution reaction; bifunctional catalysts; water splitting; HYDROGEN EVOLUTION CATHODE; CARBON-FIBER PAPER; NANOSHEET ARRAYS; NANOWIRE ARRAYS; GENERATING HYDROGEN; OXYGEN REDUCTION; NANOPARTICLES; GRAPHENE; CATALYST; FILM;
D O I：
10.1088/0957-4484/27/23/23LT01
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The development of highly efficient electrocatalysts for water splitting is critical for various renewable-energy technologies. In this letter, we demonstrate a cobalt phosphide nanowire array grown on a Ti mesh (CoP/TM) behaving as a bifunctional electrocatalyst for water splitting. The CoP/TM electrode delivers 10 mA cm(-2) at an overpotential of 72 mV for the hydrogen evolution reaction (HER) and 310 mV for the oxygen evolution reaction (OER) in 1.0M KOH. Furthermore, its corresponding two-electrode alkaline electrolyzer displays 10 mA cm(-2) at 1.64 V.
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页数：7
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