FeCo₂S₄@Carbyne as a newer electrode material for High-Performance supercapacitors and Non-Enzymatic glucose sensors

Designing electrodes made of multicomponent with multiscale nanostructures serves as a footpath to accelerate the growth and practical applicability of supercapacitors and non-enzymatic glucose sensors. FeCo₂S₄@Carbyne is prepared by a deposition followed by a solvothermal process onto the nickel foam (substrate). The substrate acts as a conductive bridge providing more active sites, enhancing the charge transport and structural stability of FeCo₂S₄@Carbyne nanohybrid. Accounting for the above said advantages, the prepared nanohybrid results in an output of 2403.3 F g⁻¹ at 1 A g⁻¹. In addition, the assembled device generates 51.5 Wh kg⁻¹ (energy density) at 0.84 KW kg⁻¹ (power density). Furthermore, the fabricated FeCo₂S₄@Carbyne non-enzymatic sensor exhibits a limit of detection of about 0.057 mM with a sensitivity of about 157 µA mM⁻¹cm⁻². As a result, this work provides insight to develop metal sulphide complexes for multifunctional applications.