Porous Microspherical N and P-co-doped NiFe2O4/Single-Walled Carbon Nanotubes for Efficient Electrochemical Oxygen Evolution Reaction

被引：28

作者：

Fei, Mengfei ^{[1
,2
]}

Shi, Huilan ^{[1
,2
]}

Zhao, Jun ^{[1
,2
]}

Kang, Ning ^{[3
]}

He, Wenya ^{[1
,2
]}

Li, Hui ^{[4
]}

Yang, Fengchun ^{[1
,2
]}

机构：

[1] Northwest Univ, Coll Chem & Mat Sci, Minist Educ, Key Lab Synthet & Nat Funct Mol Chem, Xian 710127, Shaanxi, Peoples R China

[2] Northwest Univ, Coll Chem & Mat Sci, Natl Demonstrat Ctr Expt Chem Educ, Xian 710127, Shaanxi, Peoples R China

[3] China Univ Min & Technol, Coll Geosci & Surveying Engn, Beijing 100083, Peoples R China

[4] Wuhan Inst Technol, Sch Chem Engn & Pharm, Minist Educ, Key Lab Green Chem Proc, Wuhan 430205, Hubei, Peoples R China

来源：

CHEMCATCHEM | 2018年 / 10卷 / 22期

关键词：

porous microspherical; nitrogen; phosphorous; carbon nanotubes; oxygen evolution reaction; HIGHLY EFFICIENT; HYDROGEN EVOLUTION; WATER; GRAPHENE; NITROGEN; NICKEL; ELECTROCATALYSTS; NANOPARTICLES; CATALYSTS; HYBRID;

D O I：

10.1002/cctc.201801019

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：

The porous microspherical Nitrogen and Phosphorus-co-doped NiFe2O4/Single-Walled Carbon Nanotubes (NP-NiFe2O4/SWNTs) had been fabricated. Nitrogen (N) and phosphorous (P) were co-doped to increase the active sites. And SWNTs hybrid was to obtain the enhanced conductivity, large specific surface area and more active sites. The hierarchical, porous structure and highly conductive SWNTs enables efficient transport of the electrons generated during oxygen evolution reaction (OER). Thus, NP-NiFe2O4/SWNTs was demonstrated as a high-performance catalyst for OER with a small overpotential of 247 mV at 10 mA cm(-2) and low Tafel slope of 83.6 mV dec(-1). The outstanding performance of NP-NiFe2O4/SWNTs can also made it serve as anode for water splitting at a cell voltage of 1.595 V, which surpasses the precious RuO2 and Pt/C.

引用

页码：5174 / 5181

页数：8

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