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Lanthanum Strontium Chromite (LSC) Lanthanum Chromite doped with Strontium Oxide Fuel Cell Cathode and Interconnect |
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La2O3/Cr2O3/SrO |
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American Elements specializes in producing lanthanum strontium chromite (LSC) for fuel cell cathode and interconnect applications utilizing solid state processing to produce single phase perovskite structures with various doping levels and surface areas (SSA) for use in thin film layers. Upon firing, American Elements' Lanthanum Strontium Chromite will partially sinter to form well-defined necks and open gas paths to permit simultaneous gas and electrical transfer. Lanthanum Strontium Chromite has an excellent thermal expansion match with Yttria Stabilized Zirconia (YSZ) electrolytes. It is electronically conductive and has proven long term stability. Lanthanum Strontium Chromite belongs to a class of "A" site and "B" site doped perovskite structures with these properties. These include Lanthanum Strontium Ferrite (LSF), Lanthanum Strontium Cobaltite Ferrite (LSCF), Lanthanum Calcium Manganite (LCM), Lanthanum Strontium Manganite (LSM), and Lanthanum Strontium Gallate Magnesite (LSGM). Lanthanum Strontium Chromite is available as a powder for tape casting, air spray/thermal spray/plasma spray, extrusion and sputtering fuel cell applications and as an ink for screen printing. Strontium doping levels are available at 10% and 20% and as specified by customer. Oxygen starved compositions are available. American Elements provides guidance on firing parameters, doping levels, and thermal expansion matching with American Elements' electrolyte and interconnect fuel cell layers. Also see the product data sheet for LSC40-I.Lanthanum is a Block F, Group 3, Period 6 element. The electronic configuration is [Xe] 5d1 6s2. In its elemental form lanthanum 's CAS number is 7439-91-0. The lanthanum atom has a radius of 187.pm and it's Van der Waals radius is 200.pm. Lanthanum is one of the products manufactured and distributed under the tradename AE Rare Earths. |
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