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What is the structure of lithium manganate in lithium ion batteries?

There are many kinds of lithium manganate, and LiMn2O4 with spinel structure is used in commercial batteries. This matter space group is Fd-3m. The structure is as shown above. Usually used in power batteries, the main advantages are high temperature safety and low price.

Others contain LiMnO2 (multi-structure) Li2MnO3 and some multi-element lithium-rich materials. At present, only spinel lithium manganate is available, and most others are still working hard.