The image shows the effect of pressure on the capacitance of a flexible supercapacitor assembled with activated carbon fabric (ACF) electrodes. The schematic illustrates the macroscale experimental set-up and the microscale ion filling of the triangular-shaped ACF nanopores. The application of pressure pushes the ions into the pores, thus increasing the capacitance of the supercapacitor. In the background, a scanning electron microscope image shows the ACF under low magnification. B. Q. Wei and co-workers describe how they optimised this effect on page 546.
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