Multilevel N-doped carbon nanotube/graphene supported cobalt phosphide nanoparticles for electrocatalytic hydrogen evolution reaction

被引：22
|
作者：
Guan, Xinglong [1 ]
Ma, Jingwen [1 ]
Li, Kai [1 ]
Liang, Junmei [1 ]
Li, Zhen [1 ]
Peng, Wenchao [1 ]
Zhang, Guoliang [1 ]
Fan, Xiaobin [1 ]
Zhang, Fengbao [1 ]
Li, Yang [1 ]
机构：
[1] Tianjin Univ, Dept Chem Engn, Lab Adv Nanostruct & Transfer Proc, Tianjin 300354, Peoples R China
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2019年 / 44卷 / 57期
基金：
中国国家自然科学基金;
关键词：
Graphene; Carbon nanotube; Cobalt phosphide; Multilevel structure; Hydrogen evolution reaction; BIFUNCTIONAL ELECTROCATALYST; HIGH-PERFORMANCE; POROUS CARBON; COP; NANOTUBES; CATALYST; NANORODS; ANODE;
D O I：
10.1016/j.ijhydene.2019.08.163
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：
Electrochemical water splitting plays an important role in alternative energy studies, since it is highly efficient and environment-friendly. Accordingly, it is an ideal way of providing alternative to meet the urgent need of finding sustainable and clean energy. This study presents the fabrication of CoP attached on multilevel N-doped CNT/graphene (CoP-CNT/NG) hybrids. The multilevel carbon structure can enhance electrical conductivity efficiently and increase the reaction active area immensely. The obtained electrocatalyst exhibits great electronic conductivity (17.8 s cm(-1)) and HER activity with low overpotential (155 mV at 10 mA cm(-2)), low Tafel slope (69.1 mV dec(-1)) in 0.5 M H2SO4. In addition, the CoP-CNT/NG displays prominent electrochemical durability after 18 h. (C) 2019 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：30053 / 30061
页数：9
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