High-performance quasi-solid-state flexible supercapacitors based on a flower-like NiCo metal–organic framework

The flower-like NiCo MOF prepared by a hydrothermal has a specific capacitance of 927.1 F g −1 at 1 A g −1 and a capacitance retention of 69.7% from 1 A g −1 to 10 A g −1 , showing excellent electrochemical performance.