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Acicular NiS on Ni foam was successfully prepared via a low temperature sulfuration method, using Ni foam as raw material. The as-prepared NiS-Ni electrode exhibits superior electrochemical performance as freestanding anode for half-cell and full-cell sodium-ion batteries. At a specific current of 0.03 A g−1, it delivers initial discharge and charge capacities of 1368.8 and 813.6 mAh g−1, maintaining...
NiO nanowalls with mean diameter of 300nm and mean thickness of 30nm have been successfully grown on Ni foam via an electrochemical corrosion approach and subsequent sintering. The NiO-Ni shows superior electrochemical performance as anode for sodium ion batteries owing to the morphological and architectural advantages. It delivers high charge/discharge capacity of 491/501mAhg−1 after 100 cycles at...
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