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SOLID ELECTROLYTE, MANUFACTURING METHOD THEREOF, AND GAS SENSOR
A solid electrolyte includes partially stabilized zirconia in which a stabilizer forms a solid solution in zirconia. The partially stabilized zirconia includes at least monoclinic phase particles and cubic phase particles as crystal particles that configure the partially stabilized zirconia, and an abundance ratio of the monoclinic phase particle is 5 to 25% by volume. The partially stabilized zirconia includes stabilizer low-concentration phase particles of which concentration of the stabilizer at a particle center is equal to or less than 1 mol %, as the crystal particles. The stabilizer low-concentration phase particles have a particle-size distribution of number frequency thereof having a peak at which an average particle size is 0.6 to 1.0 μm, and a particle size at 10% of a cumulative number is 0.5 μm or greater, and of the overall low-concentration phase particles, 50% by volume or greater belong to the peak.
SOLID ELECTROLYTE, MANUFACTURING METHOD THEREOF, AND GAS SENSOR
A solid electrolyte includes partially stabilized zirconia in which a stabilizer forms a solid solution in zirconia. The partially stabilized zirconia includes at least monoclinic phase particles and cubic phase particles as crystal particles that configure the partially stabilized zirconia, and an abundance ratio of the monoclinic phase particle is 5 to 25% by volume. The partially stabilized zirconia includes stabilizer low-concentration phase particles of which concentration of the stabilizer at a particle center is equal to or less than 1 mol %, as the crystal particles. The stabilizer low-concentration phase particles have a particle-size distribution of number frequency thereof having a peak at which an average particle size is 0.6 to 1.0 μm, and a particle size at 10% of a cumulative number is 0.5 μm or greater, and of the overall low-concentration phase particles, 50% by volume or greater belong to the peak.
SOLID ELECTROLYTE, MANUFACTURING METHOD THEREOF, AND GAS SENSOR
YOSHIDA MITSUHIRO (author) / SUZUKI SATOSHI (author) / NOGUCHI MAKOTO (author)
2020-08-13
Patent
Electronic Resource
English
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