Self-assembly and lithium storage performance of a nanoscale polyoxometalate based on the {MnTa18} cluster

2020 
An nanosized Ta/W mixed-addendum polyoxometalate (Cs12K3H7[MnTa18Si6W54O231]·61H2O) based on the unprecedented {MnTa18} cluster was fabricated successfully under hydrothermal condition. An excellent electrochemical performance of this compound was found in lithium-ion batteries (LIBs) as anode material. The discharge capacity is 829.9 mAh/g at the current density of 100 mA/g in the first cycle and stable at 428.4 mAh/g after 100 cycles, which suggests the potential application of this new compound in LIBs.
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