The synthesis and electro-catalytic activity for ORR of the structured electrode material: CP/Fe-N-CNFs

Sun, Min; Xie, Zhiyong; Wu, Xiaobo; Deng, Xiaoting; Liu, Chunxuan; Huang, Qizhong; Huang, Baoyu

doi:10.1007/s10008-017-3618-z

J Solid State Electrochem

2017

DOI: 10.1007/s10008-017-3618-z

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The synthesis and electro-catalytic activity for ORR of the structured electrode material: CP/Fe-N-CNFs

Min Sun

Zhiyong Xie

Xiaobo Wu

et al.

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Cited by 6 publications

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“…CNFs are recognized by their remarkable properties including excellent electrical and thermal conductivities, high chemical and mechanical stability, good specific surface area and a possibility of mass production. These properties make CNFs a very promising nanomaterial in various application area [31][32][33][34]. However, few studies have reported their application in electrochemical sensors.…”

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Electrochemical determination of traces lead ions using a new nanocomposite of polypyrrole/carbon nanofibers

Oularbi

Turmine

Rhazi³

2017

J Solid State Electrochem

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In this paper, a new nanocomposite of polypyrrole (PPy) and carbon nanofibers (CNFs) modified carbon paste electrode (CPE) has been reported for the determination of traces lead ions (Pb 2+ ). The obtained nanocomposite was fabricated by combining the unique advantages of PPy and CNFs using a very simple approach, which consists on modifying the CPE by the functionalized CNFs and then by the PPy film using galvanostatic mode. Several techniques were used to investigate the functionalized CNFs and the PPy/CNFs nanocomposite including Fourier transform infrared spectroscopy (FTIR) and X-ray diffraction (XRD) for surface layers of CNFs, cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS) for the electrical proprieties of the PPy/CNFs nanocomposite. The surface morphologies were examined by field emission gun scanning electron microscopy (FEG-SEM). The square wave anodic striping voltammetry (SWASV) was used to investigate the analytical performances of the designed electrode PPy/CNFs/CPE. Different parameters that affect the stripping analysis of Pb 2+ including supporting electrolyte, deposition potential, and deposition time were investigated. Under the optimum experimental conditions, a good linearity between the stripping peak currents and the concentration of Pb 2+ was obtained in the range of concentration from 0.2 to 130 µg L -1 Pb 2+ . The detection limit was estimated to be 0.05 µg L -1 Pb 2+ . Finally, the proposed method has been successfully applied for the determination of Pb 2+ in real samples of tap water with satisfactory results.

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Electrochemical determination of traces lead ions using a new nanocomposite of polypyrrole/carbon nanofibers

Oularbi

Turmine

Rhazi³

2017

J Solid State Electrochem

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Carbonaceous Oxygen Evolution Reaction Catalysts: From Defect and Doping‐Induced Activity over Hybrid Compounds to Ordered Framework Structures

Zoller

Häringer

Böhm

et al. 2021

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Oxygen evolution reaction (OER) is expected to be of great importance for the future energy conversion and storage in form of hydrogen by water electrolysis. Besides the traditional noble‐metal or transition metal oxide‐based catalysts, carbonaceous electrocatalysts are of great interest due to their huge structural and compositional variety and unrestricted abundance. This review provides a summary of recent advances in the field of carbon‐based OER catalysts ranging from “pure” or unintentionally doped carbon allotropes over heteroatom‐doped carbonaceous materials and carbon/transition metal compounds to metal oxide composites where the role of carbon is mainly assigned to be a conductive support. Furthermore, the review discusses the recent developments in the field of ordered carbon framework structures (metal organic framework and covalent organic framework structures) that potentially allow a rational design of heteroatom‐doped 3D porous structures with defined composition and spatial arrangement of doping atoms to deepen the understanding on the OER mechanism on carbonaceous structures in the future. Besides introducing the structural and compositional origin of electrochemical activity, the review discusses the mechanism of the catalytic activity of carbonaceous materials, their stability under OER conditions, and potential synergistic effects in combination with metal (or metal oxide) co‐catalysts.

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The in situ grown of activated Fe-N-C nanofibers derived from polypyrrole on carbon paper and its electro-catalytic activity for oxygen reduction reaction

Sun

Liu

et al. 2017

J Solid State Electrochem

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The synthesis and electro-catalytic activity for ORR of the structured electrode material: CP/Fe-N-CNFs

Cited by 6 publications

References 39 publications

Electrochemical determination of traces lead ions using a new nanocomposite of polypyrrole/carbon nanofibers

Electrochemical determination of traces lead ions using a new nanocomposite of polypyrrole/carbon nanofibers

Carbonaceous Oxygen Evolution Reaction Catalysts: From Defect and Doping‐Induced Activity over Hybrid Compounds to Ordered Framework Structures

The in situ grown of activated Fe-N-C nanofibers derived from polypyrrole on carbon paper and its electro-catalytic activity for oxygen reduction reaction

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