Li 1 Mn 2 O 4 (a = 8.2495 ) is cubic, whereas Li 2 Mn 2

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Li1Mn2O4 (a = 8.2495 Å) is cubic, whereas Li2Mn2O4 is tetragonal (a = 5.653 and c = 9.329 Å). Suggest a reason for lower symmetry of Li2Mn2O4. Calculate the volume change upon its formation from cubic Li1Mn2O4 and state how that might impact the long-term performance of a cathode cycling between these two compositions.

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Solid State Materials Chemistry

ISBN: 9780521873253

1st Edition

Authors: Patrick M. Woodward, Pavel Karen, John S. O. Evans, Thomas Vogt

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