Zirconia-bismuth oxide graded electrolyte

Details Zirconia-bismuth oxide graded electrolyte Zirconia-bismuth oxide graded electrolyte

1991-01-08

1992-12-15

Dixon, Jr., William R.

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

429 30, 429193, 501103, 501104, 501126, 501152, 427 79, 427115, 428699, 428701, 204421, C04B 3548, C04B 3550

Patent

active

051716453

ABSTRACT:
A graded electrolyte of zirconia and bismuth oxide containing proposed surface regions one of which is rich in zirconia, the other rich in bismuth oxide is disclosed. The strength and reduction resistance of zirconia is combined with the high ionic conductivity of bismuth oxide to form a superior oxygen ion-conducting electrolyte which is especially useful in fuel cells.

REFERENCES:
patent: 4459340 (1984-07-01), Mason
patent: 5006494 (1991-04-01), Virkar

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