α-MoO3: A high performance anode material for sodium-ion batteries

Sodium storage in α-MoO3 anode material is reported here for the first time. Upon cycling in the voltage window 0.04–3.0 V, MoO3 anode delivers first cycle sodiation and desodiation capacities of 771 and 410 mAh g− 1. The average sodiation and desodiation potentials of the stable cycles lie below 1.0 V with attractive voltage profiles. MoO3 anode also shows favorable rate performance and long cycle life over 500 cycles.

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► First report on sodium storage in α-MoO3 anode material
► Delivers first cycle sodiation and desodiation capacities of 771 and 410 mAh g− 1
► Voltage profile for Na uptake is mainly < 1.0 V.
► Favorable performance at high rate 1.117 A g− 1
► Cyclability up to 500 cycles and full cell operation