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作者:

Yaqoob, Lubna (Yaqoob, Lubna.) | Noor, Tayyaba (Noor, Tayyaba.) | Iqbal, Naseem (Iqbal, Naseem.) | Nasir, Habib (Nasir, Habib.) | Zaman, Neelam (Zaman, Neelam.) | Talha, Khalid (Talha, Khalid.)

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摘要:

This work describes electrocatalytic behavior of amiable and economical iron nickel 2-amioterephthalic acid metal organic framework (FeNiNH2BDC MOF) and its 2-6 wt % carbon nanotubes (CNTs) composites for oxygen evolution reaction (OER) in an alkaline media. Systematic structural and morphological analysis of solvothermally fabricated Iron (Fe) and Nickel (Ni) based MOF and their CNTs composites was carried out by Fourier Transform Infrared Spectroscopy (FTIR), scanning electron microscopy (SEM), X-ray powder diffractometry (XRD), X-ray photoelectron spectroscopy (XPS), Raman spectroscopy, Brunauer-Emmett-Teller (BET) and energy dispersive X-ray spectroscopy (EDX) techniques. Synergetic effect of bimetallic metal organic framework (MOF) and conductive CNTs support improves the catalytic response of MOF. FeNiNH2BDC-5 wt % CNTs composite demonstrated current density of 10 mA/cm(2) at an over potential (eta) 0.22 V and onset potential of 1.36 V vs RHE, comparable with RuO2 state-of-the-art catalytic material for oxygen evolution reaction in a fuel cell. Furthermore, FeNiNH2BDC-5 wt % CNTs composite tafel slope of 68.50mV/dec and 0.675(-1) turnover frequency (TOF) ascertain it as a promising alternative candidate towards costly Pt, Pd, Ir and Ru based catalysts. (C) 2020 Elsevier B.V. All rights reserved.

关键词:

Metal organic framework Direct methanol fuel cell Carbon nanotubes 2-Aminoterephthalic acid Oxygen evolution reaction

作者机构:

  • [ 1 ] [Yaqoob, Lubna]Natl Univ Sci & Technol NUST, Sch Nat Sci SNS, Islamabad, Pakistan
  • [ 2 ] [Nasir, Habib]Natl Univ Sci & Technol NUST, Sch Nat Sci SNS, Islamabad, Pakistan
  • [ 3 ] [Noor, Tayyaba]Natl Univ Sci & Technol NUST, Sch Chem & Mat Engn SCME, Islamabad, Pakistan
  • [ 4 ] [Iqbal, Naseem]Natl Univ Sci & Technol NUST, US Pakistan Ctr Adv Studies Energy USPCAS E, Islamabad, Pakistan
  • [ 5 ] [Zaman, Neelam]Natl Univ Sci & Technol NUST, US Pakistan Ctr Adv Studies Energy USPCAS E, Islamabad, Pakistan
  • [ 6 ] [Talha, Khalid]Beijing Univ Technol, Coll Environm & Energy Engn, Beijing, Peoples R China

通讯作者信息:

  • [Noor, Tayyaba]Natl Univ Sci & Technol NUST, H-12 Campus, Islamabad 44, Pakistan

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来源 :

JOURNAL OF ALLOYS AND COMPOUNDS

ISSN: 0925-8388

年份: 2021

卷: 850

6 . 2 0 0

JCR@2022

ESI学科: MATERIALS SCIENCE;

ESI高被引阀值:116

JCR分区:1

被引次数:

WoS核心集被引频次: 163

SCOPUS被引频次: 136

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