Effect of pH in the Electrochemical Response ofSnO2-Carbon Black Composites and its Use as Anodes
In this work is carried out electrochemical characterization of SnO2-Carbon Black composites in electrolytes systems with different pH by means of lineal sweep voltammetry and chronoamperometry. The electrochemical responses were compared with Pt and DSA (Ti/IrO2/SnO2/Sb2O5) electrodes, considering...
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| Veröffentlicht in: | ECS transactions 2013-09, Vol.47 (1), p.83-96 |
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| creator | García Osorio, Dora Alicia Jaimes López, Raciel Móran Elvira, Rogelio Miranda-Hernández, Margarita |
| description | In this work is carried out electrochemical characterization of SnO2-Carbon Black composites in electrolytes systems with different pH by means of lineal sweep voltammetry and chronoamperometry. The electrochemical responses were compared with Pt and DSA (Ti/IrO2/SnO2/Sb2O5) electrodes, considering them as well behavior electrodes for water oxidation reaction. This study allows us to identify that SnO2-nCFE electrode depresses the water oxidation potential, the reaction is catalyzed, and the SnO2-SCFE electrode extends the oxygen evolution potential. Consequently the electrodes were evaluated in 0.1M KHCO3/CO2 with pH 6.8, and 0.1M KHCO3 2% Reactive Blue dye, respectively. The assessment in these specific systems enables to evaluate their possible use as anodes. In a future work, the efficiency and cell potential will be reported in order to confirm the effective performance of these electrodes materials. |
| doi_str_mv | 10.1149/04701.0083ecst |
| format | Article |
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The electrochemical responses were compared with Pt and DSA (Ti/IrO2/SnO2/Sb2O5) electrodes, considering them as well behavior electrodes for water oxidation reaction. This study allows us to identify that SnO2-nCFE electrode depresses the water oxidation potential, the reaction is catalyzed, and the SnO2-SCFE electrode extends the oxygen evolution potential. Consequently the electrodes were evaluated in 0.1M KHCO3/CO2 with pH 6.8, and 0.1M KHCO3 2% Reactive Blue dye, respectively. The assessment in these specific systems enables to evaluate their possible use as anodes. 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| title | Effect of pH in the Electrochemical Response ofSnO2-Carbon Black Composites and its Use as Anodes |
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