Question: The figure below shows E against x at 30 C for a cell with a spinel-based LixMn 2 O 4 cathode (0 (a) Describe the

The figure below shows E against x at 30 °C for a cell with a spinel-based LixMn2O4 cathode (0

(a) Describe the structure you might expect for a LiMn2O4 spinel.

(b) State what can you conclude from Ecell versus x in the regions 0

(c) State what could cause the marked drop in Ecell at x = 1.

Ecal (V) = 4.5 4.0 3.5 3.0 2.5 0.0 0.5 bet 1.0 x in Li,Mn>O4 1.5 2.0

Ecal (V) = 4.5 4.0 3.5 3.0 2.5 0.0 0.5 bet 1.0 x in Li,Mn>O4 1.5 2.0

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