基于碳纳米管的柔性平面微型超级电容器

超薄电子器件的蓬勃发展和日益增长的人性化需求极大促进了可穿戴柔性微器件的发展，但是沉积电极材料在柔性基板上的技术仍处于起步阶段. 本文通过结合四面体制备器辅助涂层法和激光切割叉指构型技术，大规模地将碳纳米管沉积到商用印刷纸上作为电极，切割组装获得了柔性对称微型超级电容器. 制得的微型超级电容器的电化学性能可以通过简单地选择不同的四面体制备器模型制备不同厚度的碳纳米管薄膜进行调控. 优化获得的碳纳米管薄膜基微型超级电容器在0.02 mA的电流下，具有高达4.56 mF/cm²的面电容. 微型超级电容器经过连续10000次循环，器件的性能仍然可以保持接近100%. 四面体制备器辅助涂层方法和激光切割叉指构型技术为制备经济的微电子器件提供了新的视角. 附着碳纳米管的纸电极实现了可调控的面电容，在未来制备平面构型的不对称微超级电容器方面展示了广阔的应用前景.

Flexible Planar Micro-supercapacitors Based on Carbon Nanotubes

The boom in ultrathin electronic devices and the growing need for humanization greatly facilitated the development of wearable flexible microdevices. But the technology to deposit electrode material on flexible substrate is still in its infancy. Herein, the flexible symmetric micro-supercapacitors made of carbon nanotubes (CNTs) on commercial printing paper as electrode materials were fabricated by combining tetrahedral preparator auxiliary coating method and laser-cutting interdigital configuration technique on a large scale. The electrochemical performance of the obtained micro-supercapacitors can be controlled and tuned by simple choosing different models of tetrahedral preparatory to obtain CNTs film of different thicknesses. As expected, the micro-supercapacitor based on CNTs film can deliver an areal capacitance up to 4.56 mF/cm² at current of 0.02 mA. Even if, micro-supercapacitor undergoes continuous 10000 cycles, the performance of device can still remain nearly 100%. The as-demonstrated tetrahedral preparator auxiliary coating method and laser-cutting interdigital configuration technique provide new perspective for preparing microelectronics in an economical way. The paper electrode appended by CNTs achieves steerable areal capacitance, showing broad application prospect in fabricating asymmetric micro-supercapacitor with flexible planar configurations in the future.