Phosphorus Dual-Doped MoO2 Nanosheet/Multiwalled Carbon Nanotube Hybrid as Efficient Electrocatalyst for Hydrogen Evolution

被引：31

作者：

Hu, Haiguo ^{[1
,2
]}

Tian, Ming ^{[1
,2
]}

Li, Feng ^{[1
,2
]}

Gao, Lili ^{[1
,2
]}

Xu, Na ^{[1
,2
]}

Hu, Yiping ^{[1
,2
]}

Long, Xuefeng ^{[1
,2
]}

Ma, Jiantai ^{[1
,2
]}

Jin, Jun ^{[1
,2
]}

机构：

[1] Lanzhou Univ, Coll Chem & Chem Engn, State Key Lab Appl Organ Chem, Key Lab Catalyt Engn Gansu Prov, Lanzhou 730000, Gansu, Peoples R China

[2] Lanzhou Univ, Coll Chem & Chem Engn, Chem Engn, Lanzhou 730000, Gansu, Peoples R China

来源：

CHEMELECTROCHEM | 2018年 / 5卷 / 18期

关键词：

electrocatalysts; hydrogen evolution reaction; materials science; molybdenum dioxide; nanotubes; HIGH-PERFORMANCE; METAL ELECTROCATALYST; MOLYBDENUM DIOXIDE; MOS2; NANOSHEETS; IONIC LIQUID; GRAPHENE; CATALYST; NANOWIRES; NANOBELTS;

D O I：

10.1002/celc.201800829

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Highly efficient and precious metal free catalysts for the hydrogen evolution reaction (HER) are of vital importance for renewable energy technologies. Nevertheless, developing simple methods for the synthesis of highly active and superdurable electrocatalysts at low cost for HER still remains a major challenge. In this work, high temperature pyrolysis of (NH4)(6) Mo7O24 center dot 4H(2)O, NaH2PO4 and multi-walled carbon nanotubes (MWCNTs) in Ar atmosphere is carried out to obtain phosphorus dually doped MoO2 nanosheets (MoO2 NSs) and MWCNTs hybrids (MoO(2)Px NSs/P-MWCNTs), which can serve as excellent electrocatalyst for HER. In 0.5 M H2SO4, the hybrid material catalyzes HER with an onset potential of -27 mV (vs. reversible hydrogen electrode, RHE), Tafel slope of 45 mVdec(-1), and an overpotential at 10 mAcm(-2) of only 57 mV. Additionally, it displays favorable stability over 50 h in acidic media.

引用

页码：2660 / 2665

页数：6

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