Lisicon solid electrolyte electrocatalytic gas sensor

In this paper fabrication and examination of electrocatalytic gas sensor based on Lisicon (Li14ZnGe4O16) solid electrolyte is described. Electrocatalytic sensors form a relatively new group of gas sensors, which employ kinetics of a controlled chemical reaction. Its working principle is based on electric current acquisition, while voltage ramp is applied to the sensor. Measurements of the sensor in mixtures of nitrogen dioxide, sulfur dioxide and synthetic air are presented. Current–voltage response depends in a unique way on the type of gas and its concentration exposed to the sensor.