Flexible vanadium-doped Ni2P nanosheet arrays grown on carbon cloth for an efficient hydrogen evolution reaction

被引：132

作者：

Wen, Lulu ^{[1
,2
]}

Yu, Jie ^{[1
,2
]}

Xing, Changchang ^{[1
,2
]}

Liu, Dilong ^{[1
]}

Lyu, Xianjun ^{[3
]}

Cai, Weiping ^{[1
]}

Li, Xinyang ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Phys, Anhui Key Lab Nanomat & Nanotechnol, Hefei 230031, Anhui, Peoples R China

[2] Univ Sci & Technol China, Hefei 230026, Anhui, Peoples R China

[3] Shandong Univ Sci & Technol, Coll Chem & Environm Engn, Qingdao, Shandong, Peoples R China

来源：

NANOSCALE | 2019年 / 11卷 / 10期

基金：

中国国家自然科学基金;

关键词：

BIFUNCTIONAL ELECTROCATALYSTS; NANOWIRE ARRAYS; NANOPARTICLES; SHELL; NANOTUBES; GRAPHENE; CATALYST; HYBRID; OXYGEN; CORE;

D O I：

10.1039/c8nr10167a

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Tuning the electronic structure, morphology, and structure of electrocatalysts is of great significance to achieve a highly active and stable hydrogen evolution reaction (HER). Herein, combining hydrothermal and low temperature phosphidation methods, V-doped Ni2P nanosheet arrays grown on carbon cloth (V-Ni2P NSAs/CC) were successfully prepared for the HER. It is found that the prepared V-Ni2P NSAs/CC exhibits preeminent performance for the HER. Specifically, it only requires an overpotential of 85 mV to achieve a current density of 10 mA cm(-2) in 1.0 M KOH solution. Moreover, the V-Ni2P NSAs/CC shows superior electrochemical stability, maintaining its HER performance up to 3000 cyclic voltammetry cycles. This work affords a guiding strategy for the synthesis of a high-performance and stable electrocatalyst for the HER.

引用

页码：4198 / 4203

页数：6

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