Doped lanthanum chromite material for bipolar interconnects for

Details Doped lanthanum chromite material for bipolar interconnects for Doped lanthanum chromite material for bipolar interconnects for

1997-03-21

1999-09-28

Kopec, Mark

Compositions

Electrically conductive or emissive compositions

Metal compound containing

2525211, 429 33, 429160, H01B 108, H01M 222

Patent

active

059583045

ABSTRACT:
An improved ceramic interconnect component for a solid oxide fuel cell having good electrical conductivity and thermodynamic stability in the presence of fuel and a coefficient of thermal expansion matching closely that of zirconia electrolytes is disclosed. The interconnect is a lanthanum chromite material including strontium and magnesium as dopants.

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Srilomsak et al "Thermal Expansion Studies on Cathode & Interconnect Oxides", Proc. Int. Symp. Solid Oxide Fuel Cells, 89-11, 1989 (No Month) 129-40.
F.J. Rohr, High-Temperature Fuel Cells; pp. 432-433 Solid Electrolylos 1978 (No Month).
Meadowcroft, Some Properties of Strontium-doped Lanthanum Chromite, Brit. J. Appl. Phys., pp. 1225-1233, 1969, Ser. 2, vol. 2 (No Month).
Chick et al., Air-Sintering Mechanisms of Chromites, Second International Symposium on Solid Oxide Fuel Cells, Commission of the European Communities, L-2920 Luxembourg, EUR-13546EN, pp. 621-628, 1991 (No Month).

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