Metal-organic-framework-derived FeCo alloy core@nitrogen-doped carbon shell nanoparticles anchored on carbon nanotubes for rechargeable Li-O2 battery

被引：38
|
作者：
Wang, Hao [1 ,2 ]
Yin, Fengxiang [1 ,2 ,3 ]
Lv, Pengliang [1 ,2 ]
Fan, Tianyu [1 ,2 ]
He, Xiaobo [3 ]
Chen, Biaohua [2 ]
机构：
[1] Beijing Univ Chem Technol, State Key Lab Organ Inorgan Composites, Beijing 100029, Peoples R China
[2] Beijing Univ Chem Technol, Coll Chem Engn, Beijing 100029, Peoples R China
[3] Beijing Univ Chem Technol, Changzhou Inst Adv Mat, Changzhou 213164, Jiangsu, Peoples R China
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2017年 / 42卷 / 04期
关键词：
Metal-organic frameworks; Binary metallic alloy; Oxygen electrocatalysis; Alkaline electrolyte; Li-O-2; battery; PRUSSIAN BLUE ANALOGS; OXYGEN REDUCTION; HIGH-PERFORMANCE; ELECTROCATALYSTS; COBALT; HYDROLYSIS; CATALYSTS; GRAPHENE; HYBRID; MATRIX;
D O I：
10.1016/j.ijhydene.2016.11.118
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：
Effective FeCo alloy core nitrogen-doped carbon shell nanoparticles anchored on carbon nanotubes (CNTs) were synthesized through the pyrolysis of a metal-organic framework (Fe/Co) with CNTs and were investigated for the first time as bifunctional electrocatalysts for oxygen reduction/evolution reactions. The catalyst pyrolyzed at 600 degrees C affords excellent bifunctional catalytic activity with a Delta E(E-OER@10 mA cm(-2)-E-ORR@-1 mA cm(-2)) gap of 0.79 V in an alkaline electrolyte, a first discharge/charge specific capacity of more than 5000 mA g(cat)(-1) at a constant current density of 100 mA g(cat)(-1) in Li-O-2 battery. (C) 2016 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：2127 / 2133
页数：7
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