A novel non-precious catalyst containing transition metal in nanoporous cobalt based metal-organic framework (ZIF-67) for electrooxidation of methanol

被引:49
作者
Asadi, Fateme [1 ]
Azizi, Seyed Naser [1 ]
Ghasemi, Shahram [2 ]
机构
[1] Univ Mazandaran, Fac Chem, Analyt Div, Babol Sar 4741695447, Iran
[2] Univ Mazandaran, Fac Chem, Babol Sar, Iran
关键词
Metal organic framework; Methanol; Cobalt-based zeolitic imidazolate framework; Platinum-free metal; CARBON-PASTE ELECTRODE; ELECTROCATALYTIC OXIDATION; CHEMISTRY; GRAPHITE; BEHAVIOR; STORAGE; DESIGN; FILM; MOF;
D O I
10.1016/j.jelechem.2019.05.063
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
In present work, Ni catalysts doped in zeolitic imidazolate framework (ZIF-67) as conductive support were used for electrocatalytic oxidation of methanol. For this purpose, the nanosized ZIF-67 crystals were synthesized using a straightforward non-template method. The as-synthesized nanocrystal was characterized using FE-SEM, TEM, XRD, FT-IR, TGA and BET. Then, a carbon paste electrode (CPE) was modified by ZIF-67 nanoparticles doped with Ni species (Ni-ZIF-67/CPE). Cyclic voltammetry (CV), chronoamperometry (CA) and electrochemical impedance spectroscopy (EIS) were employed for methanol electrooxidation, The CV exhibited remarkable oxidation current due to the increase of Ni species doped porous ZIF-67 support. EIS data showed that the activation process increases the charge transfer rate and conductivity of modified electrode. Also, the value of rate constant of catalytic redox reaction was obtained using CA. As a result, the Ni species supported on ZIF-67/CPE showed significant catalytic activity and good stability toward methanol oxidation reaction (MOR) in comparison with non-modified CPE. This work can open a new window for application of various Metal-organic frameworks (MOFs)/platinum-free metals as electrocatalysts in fuel cells.
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页数:9
相关论文
共 40 条
[1]  
[Anonymous], 2001, ELECTROCHEM METHODS
[2]   Electrocatalytic oxidation of methanol on the nickel-cobalt modified glassy carbon electrode in alkaline medium [J].
Asgari, Mehdi ;
Maragheh, Mohammad Ghannadi ;
Davarkhah, Reza ;
Lohrasbi, Elaheh ;
Golikand, Ahmad Nozad .
ELECTROCHIMICA ACTA, 2012, 59 :284-289
[3]   An electrode with Ni(II) loaded analcime zeolite catalyst for the electrooxidation of methanol [J].
Azizi, Seyed Naser ;
Ghasemi, Shahram ;
Gilani, Neda Salek .
CHINESE JOURNAL OF CATALYSIS, 2014, 35 (03) :383-390
[4]   Aspects of the anodic oxidation of methanol [J].
Burstein, GT ;
Barnett, CJ ;
Kucernak, AR ;
Williams, KR .
CATALYSIS TODAY, 1997, 38 (04) :425-437
[5]   Electrooxidation of methanol on NiMn alloy modified graphite electrode [J].
Danaee, I. ;
Jafarian, M. ;
Mirzapoor, A. ;
Gobal, F. ;
Mahjani, M. G. .
ELECTROCHIMICA ACTA, 2010, 55 (06) :2093-2100
[6]   Effect of different synthesis routes on the electrocatalytic properties of NiOx nanoparticles [J].
Danial, A. S. ;
Awad, Mohamed I. ;
Al-Odail, Faisal A. ;
Saleh, M. M. .
JOURNAL OF MOLECULAR LIQUIDS, 2017, 225 :919-925
[7]   Modular chemistry: Secondary building units as a basis for the design of highly porous and robust metal-organic carboxylate frameworks [J].
Eddaoudi, M ;
Moler, DB ;
Li, HL ;
Chen, BL ;
Reineke, TM ;
O'Keeffe, M ;
Yaghi, OM .
ACCOUNTS OF CHEMICAL RESEARCH, 2001, 34 (04) :319-330
[8]  
FLEISCHMANN M, 1971, J ELECTROANAL CHEM, V31, P39, DOI 10.1016/0368-1874(71)80005-9
[9]   Aqueous room temperature synthesis of cobalt and zinc sodalite zeolitic imidizolate frameworks [J].
Gross, Adam F. ;
Sherman, Elena ;
Vajo, John J. .
DALTON TRANSACTIONS, 2012, 41 (18) :5458-5460
[10]   Metal-organic frameworks [J].
James, SL .
CHEMICAL SOCIETY REVIEWS, 2003, 32 (05) :276-288