Oxide-ion conductor and use thereof

Details Oxide-ion conductor and use thereof Oxide-ion conductor and use thereof

2005-01-18

2005-01-18

Nuzzolillo, Maria (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

C429S006000, C073S023350, C205S782500

Reexamination Certificate

active

06844098

ABSTRACT:
An oxide-ion conductor has the formula Ln1−xAxGa1−y−xB1YB2zoxide, wherein Ln is at least one element selected from the group consisting of La, Ce, Pr, Nd and Sm; A is at least one element selected from the group consisting of Sr, Ca and Ba; B1 is at least one element selected from the group consisting of Mg, Al and In; B2 is at least one element selected from the group consisting of Co, Fe, Ni and Cu; x is 0.05 to 0.3; y is 0 to 0.29; z is 0.01 to 0.3; and y+z is 0.025 to 0.3. The oxide-ion conductor exhibits higher oxide-ion conductivity than stabilized zirconia, excellent heat resistance and also high ion conductivity even at low temperatures, as well as exhibiting low oxygen-partial-pressure dependence of ion conductivity.

REFERENCES:
patent: 4594297 (1986-06-01), Polak et al.

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