Oxygen concentration-sensing device and method of producing the same
Patent
·
OSTI ID:6071128
An oxygen gas concentration-sensing device comprises a solid electrolyte body which is prepared from an oxygen ion-permeable metal oxide and whose first surface is exposed to the gas to be sensed and the second surface is exposed to a reference gas. First and second electrodes are respectively pressed against the first and second surface of the solid electrolyte body. The first electrode exposed to the gas is covered with a porous gas diffusion-resisting layer. This gas diffusion-resisting layer is chosen to have an average pore-size ranging from 300 A to 400 A.
- Assignee:
- Nippondenso Co. Ltd. (Japan)
- Patent Number(s):
- US 4476008
- OSTI ID:
- 6071128
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
33 ADVANCED PROPULSION SYSTEMS
330100* -- Internal Combustion Engines
500200 -- Environment
Atmospheric-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
AIR POLLUTION ABATEMENT
CHEMICAL COMPOSITION
CONTROL SYSTEMS
ELECTROLYTES
ELEMENTS
ENGINES
EXHAUST GASES
FLUIDS
FUEL SYSTEMS
FUEL-AIR RATIO
GASEOUS WASTES
GASES
HEAT ENGINES
INTERNAL COMBUSTION ENGINES
MEASURING INSTRUMENTS
MONITORS
NONMETALS
OXYGEN
POLLUTION ABATEMENT
SOLID ELECTROLYTES
WASTES
330100* -- Internal Combustion Engines
500200 -- Environment
Atmospheric-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
AIR POLLUTION ABATEMENT
CHEMICAL COMPOSITION
CONTROL SYSTEMS
ELECTROLYTES
ELEMENTS
ENGINES
EXHAUST GASES
FLUIDS
FUEL SYSTEMS
FUEL-AIR RATIO
GASEOUS WASTES
GASES
HEAT ENGINES
INTERNAL COMBUSTION ENGINES
MEASURING INSTRUMENTS
MONITORS
NONMETALS
OXYGEN
POLLUTION ABATEMENT
SOLID ELECTROLYTES
WASTES