Solid electrolytes

Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Include electrolyte chemically specified and method

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501103, 204195S, C04B 3548, H01M 618

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active

043703933

ABSTRACT:
ZrO.sub.2 -Y.sub.2 O.sub.3 solid electrolytes having a high strength and an excellent deterioration property so as to be durable for a long time, comprised mainly of cubic crystal and monoclinic crystal or cubic crystal, monoclinic crystal and tetragonal crystal, wherein an average grain size of monoclinic crystal or tetragonal crystal is not greater than 2 .mu.m and a ratio of the intensity of the monoclinic (III) X-ray diffraction line to that of the cubic (200) line is 0.01-2.5. In the case of solid electrolytes comprised mainly of cubic crystal, monoclinic crystal and tetragonal crystal, the following definition is necessary. A ratio of the intensity of the tetragonal (200) X-ray diffraction line to that of the cubic (200) line is not greater than 1.0.

REFERENCES:
patent: 4219359 (1980-08-01), Miwa et al.
patent: 4266979 (1981-05-01), Miyoshi et al.
patent: 4279655 (1981-07-01), Garvie et al.

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