Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
7919700 | Energy Procedia | 2017 | 8 Pages |
Abstract
The ionic conductivity of solid electrolyte may insufficient, and the sensor output signal will deviate from the theoretical one in low temperature. The performance of oxygen sensor with Ag/air reference electrode (RE) and liquid Bi/Bi2O3 RE was tested in low-temperature LBE at 300°- 450°C and the charge transfer reactions impedance at the electrode-electrolyte interface was analyzed by electrochemical impedance analysis (EIS). After steady state condition, both of the sensors performed well and can be used at 300°- 450°C. Bi/Bi2O3 RE has lower impedance than Ag/air RE. Therefore, the response time of the oxygen sensor with Bi/Bi2O3 RE is faster than the oxygen sensor with Ag/air RE in the low-temperature region.
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Energy (General)
Authors
Pribadi Mumpuni Adhi, Nariaki Okubo, Atsushi Komatsu, Masatoshi Kondo, Minoru Takahashi,