| 초록 |
The forthcoming smart ubiquitous era, which will find the widespread popularity of advanced microelectronics, miniaturized portable/wearable devices, and the Internet of Things (IoT), has spurred us to relentlessly search for micro-scale monolithic power sources. Microsupercapacitors (MSCs) have received much attention as a promising candidate to address the aforementioned issue. However, their practical application has been hindered by the manufacturing complexity and dimensional limits. Here, we for the first time develop a new class of ultrahigh areal-number-density solid-state MSCs (UHD SS−MSCs) on a chip via electrohydrodynamic (EHD) jet-printing. Driven by the process superiority and rational design of their components, the on-chip UHD SS–MSCs exhibit exceptionally high areal-number-density (36 unit cells integrated on a chip (area = 8.0 × 8.2 mm2), 55.3 cells cm−2) and areal-operating-voltage (65.9 V cm−2) that lie far beyond those of previously reported MSCs. |
