Fig. 5

a Schematic representation of charge transfer and storage mechanism of the VS₂-MX-50//MXene asymmetric device b Cyclic Stability (85%) and Coulombic Efficiency (∼ 100%) of the VS₂-MX-50//MX asymmetric device at a current density of 30 A/g. Figure adapted from reference [66] c Cyclic Voltammograms at a scan rate of 50 mV/s in the graphitic carbon electrodes. Figure adapted from reference [76] d Modification process of the flexible Ti3C2Tx/MWNTs/Au/PET working electrode. e SWASV responses of the Ti3C2Tx/MWNTs/Au/PET electrode for the determination of Cu(II) with various high concentrations in ABS (0.1 M, pH 4.6): 50 − 600 ppb. f SWASV responses of the Ti3C2Tx/MWNTs/Au/PET electrode for the determination of 300 ppb Cu(II) in normal and different bending states and display of different bending processes of the fabricated electrode. Figure adapted from ref. [84] (g) Cyclic Voltammogram of Ni-C4SH/Au mesh as working electrodes in the glucose of different concentrations at a scan rate of 50 mV s⁻1 Figure adapted from ref [85] (h) LSV curves at 5 mV/s of Ni-Co oxide nanoplate Figure adapted from ref. [86] (i) Simultaneous measurements with increasing concentration of equimolar Dopamine and Uric Acid from 1 nM to 1000 μM, respectively (Figure adapted from ref [87])