A Flexible Na‐Ion Supercapacitor/Battery Hybrid Device
Gagan Kumar Sharma,
Atin Pramanik,
Anand B. Puthirath
et al.
Abstract:A hybrid supercapacitor/battery device is proposed by integrating Na3V2(PO4)2F3 and multi‐walled carbon nanotubes as the battery electrode and carbon nanofiber as a supercapacitor electrode. The device made via the slurry casting of electrode material on foldable thin nickel foils leads to a robust, mechanically flexible sodium‐ion capacitor/battery (supercapattery) as a hybrid energy storage system. The device exhibits a specific capacitance of 136 F g−1 with a corresponding specific capacity of 95 C g−1 at a… Show more
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