Answer to Question #116967 in Chemistry for bia dar

Question

LSCF is a cubic perovskite, whose lattice parameter varies from 3.83 Å for y = 1 (100%
Co occupation of the B site) to 3.87 Å for y = 0 (100% Fe occupation of the B site).
Previous experiments have shown that the cathode activity towards oxygen activation
can be increased by increasing the Co content in LSCF, and that the oxide ion mobility in
undoped LGO is poor.
(a) Discuss suitable doping strategies that could be employed to enhance oxide ion
mobility in LGO. Include in the discussion both the dopant type(s) and their
indicative concentration

Answer 1

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