FIG. 1. (IMAGE)

Science China Press

FIG. 1.

Caption

Schematic open-circuit voltage (Voc) of battery. The energy separation of the lowest-unoccupied-molecular-orbital (LUMO) and the highest-occupied-molecular-orbital (HOMO) is the electrolyte window. Electrochemical potential vs. capacity is presented for both graphite-anode and cathodes. The cathodes are commonly transition-metal (TM) compounds which have layered, spinel, or olivine crystal structures.

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