Ultrafast biphasic Na5V3(PO4)2(P2O7)2/C composite cathode for sodium-ion batteries†
Xingde
Xiang 
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Abstract
A biphasic Na5V3(PO4)2(P2O7)2/C composite is developed via a composition-regulation strategy as an ultrafast cathode for rechargeable sodium-ion batteries. It achieves a high practical capacity of 82.4 mA h g−1 at the large current of 1000 mA g−1 and obtains an impressive capacity retention of 88% after 1500 cycles.
- This article is part of the themed collection: Chemistry at the Forefront of the Sustainable Energy Transition
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