Electrochemical sensor and method for manufacturing

摘要

The present disclosure relates to a sensor including an elongated member including at least a portion that is electrically conductive. The elongated member includes a sensing layer adapted to react with a material desired to be sensed. An insulating layer surrounds the elongated member. The insulating layer defines at least one access opening for allowing the material desired to be sensed to enter an interior region defined between the elongated member and the insulating layer. The insulating layer has an inner transverse cross-sectional profile that is different from an outer transverse cross-sectional profile of the elongated member. The difference in transverse cross-sectional profiles between the elongated member and the insulating layer provides channels at the interior region defined between the insulating layer and the elongated member. The channels extend generally along the length of the elongated member and are sized to allow the material desired to be sensed to move along the length of the sensor.

主权项

1. An electrochemical sensor comprising:
a tubular body comprising a wall defining a hollow interior; an elongated body comprising a non-circular transverse cross-sectional profile disposed within the hollow interior, the elongated body being elongated along a length, the elongated body defining a first exterior surface and a second exterior surface that extend along the length of the profiled body, the first exterior surface facing outwardly in a different direction than the second exterior surface; channels disposed between the first and second exterior surfaces of the elongated body and the wall of the tubular body; at least one working electrode and a counter electrode, wherein the at least one working electrode is disposed on the first surface of the elongated body; and a sensing chemistry disposed within the hollow interior.