Mixed potential hydrogen sensor using ZnWO4 sensing electrode
| Autor: | Zhaoyun Tang, Jianhang Yang, Jun Yu, Jing Wang, Xiaogan Li, Zhenan Tang |
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| Rok vydání: | 2014 |
| Předmět: |
Materials science
Hydrogen Inorganic chemistry Metals and Alloys Analytical chemistry chemistry.chemical_element Condensed Matter Physics Hydrogen sensor Oxygen Surfaces Coatings and Films Electronic Optical and Magnetic Materials Electrochemical gas sensor chemistry.chemical_compound chemistry Propane Electrode Materials Chemistry Cubic zirconia Electrical and Electronic Engineering Instrumentation Yttria-stabilized zirconia |
| Zdroj: | Sensors and Actuators B: Chemical. 195:520-525 |
| ISSN: | 0925-4005 |
| DOI: | 10.1016/j.snb.2014.01.086 |
| Popis: | Monoclinic ZnWO 4 has been investigated the first time for the sensing electrode of the yttria-stabilized zirconia (YSZ) based mixed-potential hydrogen sensors. The sensor of ZnWO 4 /YSZ/Pt indicated a good sensitivity to hydrogen in a concentration range of 0.5–3.0 vol% and excellent selectivity over some possible interferents such as CO, propane and NO 2 at 600 °C in a background of 10 vol% oxygen balanced with nitrogen. The response repeatability of the sensor and sensor to consistency was investigated. The half-month long-term performance of the sensor to different concentrations of hydrogen at 600 °C was also examined. The sensor demonstrated significantly potential to be developed for a selective hydrogen sensor. |
| Databáze: | OpenAIRE |
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