Hydrogen Sensor, Hydrogen Detection System, And Sheet For Hydrogen Sensors

Abstract: The present disclosure provides a hydrogen sensor comprising: a substrate; a sensitive film which is disposed on a first surface of the substrate and contains tungsten oxide and a catalyst capable of dissociating a hydrogen gas into hydrogen atoms; a control unit which detects the change in electrical resistivity; a first bus electrode and a second bus electrode which are disposed on the first surface of the substrate and are connected to the control unit; a plurality of first sensor electrodes which are disposed on the first surface of the substrate in contact with the sensitive film and are connected to the first bus electrode; and a plurality of second sensor electrodes which are disposed on the first surface of the substrate in contact with the sensitive film and are connected to the second bus electrode. In the hydrogen sensor, the first sensor electrodes and the second sensor electrodes are arranged alternately at intervals enabling detection of a change in electrical resistivity of the sensitive film.

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