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![Recent progress and perspective of multifunctional integrated zinc-ion supercapacitors](https://image.oaes.cc/78d654e0-527d-4ed1-99f0-6d3c8b92b747/4928.fig.3.jpg)
Figure 3. (A) Schematic illustration of large-scale production of MXene- and zinc-coated fibers and braided coaxial ZISCs. (B) SEM image of ZISCs. (C) Mapping image of zinc element on the surface of ZISCs. (D) Cross-sectional SEM image of a coaxial ZISC[99]. Copyright 2022, Springer.