NiMo₂S₄ microspheres as cathode materials for flexible capacitors

In this work, we synthesize a NiMo 2 S 4 sphere-like structure with a large specific surface area. The assembled hybrid device delivers a capacitance of 150 C g −1 at 1 A g −1 and maintains 82.9% of the initial capacitance after 10 000 cycles.