Gas sensor

Details Gas sensor Gas sensor

2002-10-04

2008-11-04

Olsen, Kaj K (Department: 1795)

Chemistry: electrical and wave energy

Apparatus

Electrolytic

C204S426000, C073S023320

Reexamination Certificate

active

07445699

ABSTRACT:
A gas sensor for detecting at least one physical magnitude of a gas, in particular of exhaust gases of an internal combustion engine, is proposed, which includes a sensor element having an electrochemical cell. The electrochemical cell includes a first solid electrolyte member on which a first electrode and a second electrode are applied. The first and the second electrode are electrically connected by means of the first solid electrolyte member. The first electrode is in contact with the gas. The area of the first electrode is smaller than the area of the second electrode.

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