A hydrogen sensor based on bonded hydronium NASICON

Chehab, S.; Canaday, J.D.; Kuriakose, A.K.; Wheat, T. A.; Ahmad, Aftab

doi:10.1016/0167-2738(91)90166-9

Cited by 13 publications

(4 citation statements)

References 12 publications

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“…Compared with the hydrogen sensors reported previously, 19,20 the response voltage values of the present sensor to the same concentrations of hydrogen are much larger; those of the former 19 and the latter exposed to pure hydrogen are approximately 0.7 and 0.9 V, respectively. This can be attributed to the high effective electrode surface area in the present system.…”

Section: Resultscontrasting

confidence: 75%

Communication—Concentration-Cell-Type Nafion-Based Potentiometric Hydrogen Sensors

Jung

Lee

2018

ECS J. Solid State Sci. Technol.

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This work reports the fabrication of concentration-cell-type hydrogen sensors based on a protonated Nafion membrane and their hydrogen sensing characteristics. Platinum on carbon black deposited on porous Nafion substrates is used as a catalytic active electrode. The hydrogen sensors are capable of detecting hydrogen concentrations of 3.9-99.95%. The response time is in the range of 1-15 s, and a stable linear voltage output is observed. These solid-state potentiometric hydrogen sensors show good sensitivity, short response time, wide linear range, and long-term stability greater than 3 months, suggesting their potential application for environmental monitoring.

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Section: Resultscontrasting

confidence: 75%

Communication—Concentration-Cell-Type Nafion-Based Potentiometric Hydrogen Sensors

Jung

Lee

2018

ECS J. Solid State Sci. Technol.

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“…Potentiometric hydrogen sensors designed using a NASICON solid electrolyte similarly exhibited a strong RH effect, and this makes it difficult to work in a dry atmosphere . Figure illustrates the large, orders of magnitude changes that can occur in the sensor signal with RH changes.…”

Section: Solid Electrolyte H2 Sensorsmentioning

confidence: 99%

Section: Solid Electrolyte H2 Sensorsmentioning

confidence: 99%

“…189 Potentiometric hydrogen sensors designed using a NASI-CON solid electrolyte similarly exhibited a strong RH effect, and this makes it difficult to work in a dry atmosphere. 85 Figure 30 illustrates the large, orders of magnitude changes that can occur in the sensor signal with RH changes. This electrolyte (a bonded hydronium NASICON) was produced by the two-stage process of powder ion-exchange followed by a bonding and pressing method.…”

Section: Low-temperature Solid Electrolyte H 2 Sensorsmentioning

confidence: 99%

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