Fig. 13.

a Schematic of the stretchable CMT-based supercapacitor. b–c Photo image of the supercapacitor under the original state and strain of 50% and the current–voltage curves at different scan rates. d Schematic of stretchable CMT-based heater. e Time–temperature curves of the CMT heater under different voltages from 1 to 3.5 v. f A CMT heater affixed on a wrist and the corresponding IR images with the wrist under relax and bending state [144]. Copyright © 2017 American Chemical Society. g–j I–V curves, the relative resistance change with the temperature range from 25 to 80 ℃, and the resistance change with the temperature sensor under relaxed and bent conditions. j Resistance response to cold water and hot water. k–l Schematic illustration and the sensing performance of the E-skin under exhaling stimulus and finger pressing stimulus simultaneously [219]. Copyright © 2017 American Chemical Society