Homogeneous ultrasmall T-Nb2O5 nanocrystallites encapsulated in 1D carbon nanofibers (T-Nb2O5/CNFs) are prepared through electrospinning followed by subsequent pyrolysis treatment. In a Na half-cell configuration, the obtained T-Nb2O5/CNFs with the merits of unique microstructures and inherent pseudocapacitance, deliver a stable capacity of 150 mAh g−1 at 1 A g−1 over 5000 Published in:

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