Journal
SENSORS AND ACTUATORS B-CHEMICAL
Volume 98, Issue 1, Pages 73-76Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2003.09.024
Keywords
hydrogen; sensor; solid electrolyte; palladium
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A solid-state potentiometric hydrogen gas sensor based on hydronium Nasicon, a hydrogen ion conducting solid electrolyte, is described. The device incorporates a patented silver-based reference electrode and a palladium working electrode. The sensor is robust, simple, fast, and capable of detecting hydrogen concentrations from at least 0.01 to 100%, a range of four orders of magnitude, in oxidizing and non-oxidizing atmospheres. The room temperature response characteristics of the sensor are reported. Crown Copyright (C) 2003 Published by Elsevier B.V. All rights reserved.
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