Nickel oxide/nitrogen doped carbon nanofibers catalyst for methanol oxidation in alkaline media

被引:70
作者
Al-Enizi, Abdullah M. [1 ]
Ghanem, Mohamed A. [1 ,2 ]
El-Zatahry, Ahmed A. [1 ,3 ]
Al-Deyab, Salem S. [4 ]
机构
[1] King Saud Univ, Dept Chem, Coll Sci, Riyadh 11451, Saudi Arabia
[2] Suez Canal Univ, Fac Petr & Min Engn, Suez, Egypt
[3] City Sci Res & Technol Applicat, Polymer Mat Res Dept, Adv Technol & New Mat Res Inst, Alexandria 21934, Egypt
[4] King Saud Univ, Dept Chem, Petrochem Res Chair, Riyadh 11451, Saudi Arabia
关键词
carbon nanofibers; nitrogen doped; nickel oxide; catalyst; methanol oxidation; GAS-DIFFUSION LAYERS; ETHANOL ELECTROOXIDATION; PLATINUM CATALYSTS; ANODIC-OXIDATION; PERFORMANCE; FIBER; OXIDE; NANOPARTICLES; SUPPORT; WEBS;
D O I
10.1016/j.electacta.2014.05.150
中图分类号
O646 [电化学、电解、磁化学];
学科分类号
081704 ;
摘要
Uniform and highly doped nitrogen carbon nanofibers (N-CNFs) have been produced by electrospinning of solution mixture that contains polyacrylonitrile, polyaniline and graphene and followed by annealing at 1200 degrees C. The NiO catalyst was loaded onto N-CNFs by chemical precipitation of Ni(OH)(2) and treating at 400 degrees C. The physicochemical characterizations show that the N-CNFs have an average diameter of 250 nm with nitrogen-doping level of 17 wt. % and BET surface area of 440 m(2) g(-1). The NiO catalyst with particle size of 7.0 to 8.0 nm was uniformly loaded over the surface of the carbon nanofibers. The electrocatalytic activity of NiO/N-CNFs hybrid for methanol oxidation reaction in basic medium has been investigated by cyclic voltammetry and chronoamperometry techniques. The results show that the NiO/N-CNFs catalyst has superior specific and mass activities for methanol oxidation over the other nickel based catalysts. In addition negative shift in the methanol oxidation potential was observed which relies on the loading amount of NiO/N-CNFs catalyst. The highly doped nitrogen carbon nanofibers electrode based on polyacrylonitrile, polyaniline and graphene composite could be considered as a promising candidate to act as a catalyst support material. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码:774 / 780
页数:7
相关论文
共 54 条
[1]   Synthesis and electrochemical properties of nickel oxide/carbon nanofiber composites [J].
Al-Enizi, Abdullah M. ;
Elzatahry, Ahmed A. ;
Abdullah, Aboubakr M. ;
AlMaadeed, Mariam A. ;
Wang, Jinxiu ;
Zhao, Dongyuan ;
Al-Deyab, Salem .
CARBON, 2014, 71 :276-283
[2]  
Al-Enizi AM, 2012, INT J ELECTROCHEM SC, V7, P12646
[3]   Effect of preparation conditions on the performance of nano Pt-CuO/C electrocatalysts for methanol electro-oxidation [J].
Amin, R. S. ;
Hameed, R. M. Abdel ;
El-Khatib, K. M. ;
El-Abd, Hammam ;
Souaya, Eglal R. .
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 2012, 37 (24) :18870-18881
[4]   Improved stability of mesoporous carbon fuel cell catalyst support through incorporation of TiO2 [J].
Bauer, Alex ;
Song, Chaojie ;
Ignaszak, Anna ;
Hui, Rob ;
Zhang, Jiujun ;
Chevallier, Laure ;
Jones, Deborah ;
Roziere, Jacques .
ELECTROCHIMICA ACTA, 2010, 55 (28) :8365-8370
[5]   Electrodeposited mesoporous platinum catalysts over hierarchical carbon monolithic support as anode in small PEM fuel cells [J].
Bruno, Mariano M. ;
Franceschini, Esteban A. ;
Viva, Federico A. ;
Thomas, Yohann R. I. ;
Corti, Horacio R. .
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 2012, 37 (19) :14911-14919
[6]   Synthesis and performance of platinum supported on ordered mesoporous carbons as catalyst for PEM fuel cells: Effect of the surface chemistry of the support [J].
Calvillo, L. ;
Gangeri, M. ;
Perathoner, S. ;
Centi, G. ;
Moliner, R. ;
Lazaro, M. J. .
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 2011, 36 (16) :9805-9814
[7]   Electrospun carbon fiber mat with layered architecture for anode in microbial fuel cells [J].
Chen, Shuiliang ;
He, Guanghua ;
Carmona-Martinez, Alessandro Alfredo ;
Agarwal, Seema ;
Greiner, Andreas ;
Hou, Haoqing ;
Schroeder, Uwe .
ELECTROCHEMISTRY COMMUNICATIONS, 2011, 13 (10) :1026-1029
[8]   Effects of surface chemical states of carbon nanotubes supported Pt nanoparticles on performance of proton exchange membrane fuel cells [J].
Chiang, Yu-Chun ;
Ciou, Jhao-Ruei .
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 2011, 36 (11) :6826-6831
[9]   Novel nanocomposites and nanoceramics based on polymer nanofibers using electrospinning process - A review [J].
Chronakis, IS .
JOURNAL OF MATERIALS PROCESSING TECHNOLOGY, 2005, 167 (2-3) :283-293
[10]  
Darowicki K, 2012, INT J ELECTROCHEM SC, V7, P12090