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Fig. 2. XRD patterns for BaCeZrY ceramic. The synthesized ceramic powder showed a single perovskite phase To analyze the crystallographic structure of the ceramic X-ray dif- fraction analysis were performed. Fig. 2 shows the XRD patterns of the synthesized ceramic. seceie a m ig: * 5)

Figure 2 XRD patterns for BaCeZrY ceramic. The synthesized ceramic powder showed a single perovskite phase To analyze the crystallographic structure of the ceramic X-ray dif- fraction analysis were performed. Fig. 2 shows the XRD patterns of the synthesized ceramic. seceie a m ig: * 5)

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Fig. 1. Schematic representation of the sensor’s experimental set-up.
Fig. 1. Schematic representation of the sensor’s experimental set-up.
Comparison of the slope and the linear range of two sensors with BaCeo 6Zro.3Y0.103- as electrolyte.
Comparison of the slope and the linear range of two sensors with BaCeo 6Zro.3Y0.103- as electrolyte.
Fig. 5. Calibration curve of the sensor at 500°C and applying 5 V between its electrodes. Fig. 4. Registered intensity current signal at 500°C and applying 5 V between the electrodes of the sensor.
Fig. 5. Calibration curve of the sensor at 500°C and applying 5 V between its electrodes. Fig. 4. Registered intensity current signal at 500°C and applying 5 V between the electrodes of the sensor.
Fig. 3. Cross-sectional SEM micrography inside the wall of a BaCeZrY tube sintered at 1400 °C.
Fig. 3. Cross-sectional SEM micrography inside the wall of a BaCeZrY tube sintered at 1400 °C.
Analytical parameters of the three hydrogen sensors found in bibliography. Table 2 Linear range and sensitivity of the sensor were compared with an- other sensor developed in our laboratory. The new sensor used the same electrolyte conformed as a pellet (@ = 13mm). Table 1 compares both parameters; the units have been changed to nA/ppm (for the slope) and ppm (for hydrogen concentration).
Analytical parameters of the three hydrogen sensors found in bibliography. Table 2 Linear range and sensitivity of the sensor were compared with an- other sensor developed in our laboratory. The new sensor used the same electrolyte conformed as a pellet (@ = 13mm). Table 1 compares both parameters; the units have been changed to nA/ppm (for the slope) and ppm (for hydrogen concentration).
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