The Electrochemical Behavior and the Quantitative Determination of Nitrogen Dioxide at a Solid Polymer Electrolyte Supported Pt-Au Electrode

The Electrochemical Behavior and the Quantitative Determination of Nitrogen Dioxide at a Solid Polymer Electrolyte Supported Pt-Au Electrode

The electrochemical behavior of NO2 at Au/Nafion, Pt/Nafion and Pt‐Au/Nafion electrodes was investigated by using electrochemical and SEM methods, respectively. It was found that the Pt‐Au/Nafion electrode showed higher electrocatalytic activity than Pt/Nafion and Au/Nafion electrodes. The net curre...

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Veröffentlicht in:Electroanalysis (New York, N.Y.) N.Y.), 2004-08, Vol.16 (16), p.1318-1323
Hauptverfasser: Wang, Kangli, Yan, Heqing, Liu, Jun, Sun, Xiaoyan, Wang, E'feng
Format: Artikel
Sprache:eng
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Au/Nafion electrode
Nitrogen dioxide
Pt-Au/Nafion electrode
Pt/Nafion electrode
Solid polymer electrolyte
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container_issue 16
container_start_page 1318
container_title Electroanalysis (New York, N.Y.)
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creator Wang, Kangli
Yan, Heqing
Liu, Jun
Sun, Xiaoyan
Wang, E'feng
description The electrochemical behavior of NO2 at Au/Nafion, Pt/Nafion and Pt‐Au/Nafion electrodes was investigated by using electrochemical and SEM methods, respectively. It was found that the Pt‐Au/Nafion electrode showed higher electrocatalytic activity than Pt/Nafion and Au/Nafion electrodes. The net current density of Au/Nafion electrode decayed significantly during the reaction, though it showed high initial value. Pt/Nafion and Pt‐Au/Nafion electrodes, on the contrary, showed good stability. A quantitative determination of NO2 concentration was carried out at Pt‐Au/Nafion electrode and a satisfactory linear relationship was found for the NO2 concentration in the range of 0–100 ppm.
doi_str_mv 10.1002/elan.200302914
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source Wiley Online Library Journals Frontfile Complete
subjects Au/Nafion electrode
Nitrogen dioxide
Pt-Au/Nafion electrode
Pt/Nafion electrode
Solid polymer electrolyte
title The Electrochemical Behavior and the Quantitative Determination of Nitrogen Dioxide at a Solid Polymer Electrolyte Supported Pt-Au Electrode
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