Publication | Closed Access
Use of Sodium Nitrite Auxiliary Electrode for Solid Electrolyte Sensor to Detect Nitrogen Oxides
68
Citations
8
References
1992
Year
EngineeringElectrode-electrolyte InterfaceGas SensorChemistryNano2 Auxiliary ElectrodeChemical EngineeringSolid Electrolyte SensorPpm No2Electrode Reaction MechanismMaterials ScienceNanotechnologyElectrochemical ProcessElectrochemical Gas SensorElectrochemistrySensorsElectroanalytical SensorSolid Electrolyte DeviceDetect Nitrogen OxidesElectrochemical Surface Science
Abstract An Na+-conductor (NASICON)-based solid electrolyte device fitted with an NaNO2 auxiliary electrode showed excellent sensing characteristics to NO and NO2 in air. The electromotive force, EMF, followed the Nernst’s equation for 1–800 ppm NO and 0.1–200 ppm NO2 at temperatures of 150–240 °C, the Nernst’s slopes indicating one-electron reduction for both gases.
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