![]() This efficient printed electronic technology is expected to provide an economical and practical method for the future construction of flexible energy storage devices with versatile patterns for wearable electronics. The capacitance was retained at 90% of the initial value after 8000 cycles. At All Shapes we want to be proud of our outcomes, based on 10 years of. The figure given below shows a list of 2D shapes that we commonly come across. We create a business model in which professionalism, quality and efficiency come first. 2D shapes with at least three straight sides are called polygons and these include triangles, squares, and quadrilaterals. ![]() In addition, the highest energy density and power density of these printed flexible solid-state supercapacitors were 0.0011 mW h cm −2 and 0.44 mW cm −2, respectively. All the 2 dimensional shapes have sides, vertices (corners), and interior angles, except for the circle, which is a curved figure. There was no significant capacitance loss of these flexible supercapacitors even on bending to 180°, showing excellent mechanical flexibility. They not only presented a variety of shapes, such as squares, school emblems of the Wuhan University, flowers and carps, but also showed excellent areal capacitance of 12.5 mF cm −2. The flexible supercapacitors were prepared by using cobalt hexacyanoferrate (CoHCF) nanocubes as electrode materials. Herein, all-printed solid-state flexible supercapacitors with versatile shapes were fabricated as power sources by the screen printing method. ![]() Meanwhile, the traditional energy devices present large limitations with respect to their structure and performance, which cannot meet the demand of shape diversity in the wearable electronic field. A supercapacitor, as a new green energy source, has attracted considerable attention because of its intrinsic high safety, fast charge/discharge rate and long cycle life. ![]()
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