Fig. 2: Characterization of omnidirectional prestretched carbon and its electrochemical performance. | npj Flexible Electronics

Fig. 2: Characterization of omnidirectional prestretched carbon and its electrochemical performance.

From: 3D patterned fabric-based wearable micro-supercapacitor operating at high voltage by electrostatic actuation

Fig. 2

a, b SEM images of 0% and 30% omnidirectional prestretched carbon. c, d Optical photographs of 30% omnidirectional prestretched carbon before and after relaxation. e EDS image of carbon. f Infrared spectra of carbon nanotubes before and after acidification. g, h CV and GCD curves, i Nyquist plot of carbon-based supercapacitor materials.

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