Solid electrolyte gas-sensing device

Details Solid electrolyte gas-sensing device Solid electrolyte gas-sensing device

1993-12-23

1995-05-09

Niebling, John

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204426, 204427, G01N 2726

Patent

active

054136911

ABSTRACT:
A solid electrolyte gas-sensing device comprising a solid electrolyte layer (a) and a reference electrode layer (b) and a working electrode layer (c) with the solid electrolyte layer (a) being an intermediate layer therebetween, said working electrode layer (c) having a mixture layer (d) in the interface between said solid electrolyte layer (a) and said working electrode layer (c), the mixture layer (d) being formed from a metal salt which shows dissociation equilibrium with a gas to be measured and an electron-conducting substance, the mixture layer (d) containing 0.5 to 14% by volume of the electron-conducting substance.

REFERENCES:
patent: 4715944 (1987-12-01), Yamagida et al.
patent: 5124021 (1992-06-01), Kaneyasu et al.
patent: 5273628 (1993-12-01), Liu et al.
Miura et al., "High-Performance Solid-Electrolyte Carbon Dioxide Sensor with a Binary Carbonate Electrode", Sensors and Actuators B, vol. 9 (1992), pp. 165-170.
Maruyama et al., "Potentiometric Gas Sensor for Carbon Dioxide Using Solid Electrolytes", Solid State Ionics, vol. 23 (1987), pp. 107-112.

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