材料科学
佩多:嘘
导电体
超级电容器
纳米技术
纳米线
制作
导电聚合物
涂层
复合数
复合材料
电极
电容
聚合物
物理化学
化学
病理
医学
替代医学
作者
In Kyu Moon,Seonno Yoon,Jungwoo Oh
标识
DOI:10.1002/admi.201700860
摘要
Abstract Although increasing attention has been paid to wearable electronic devices in recent years, flexible supercapacitors with high performance remain not readily available because of the limitations of flexible electrode types. A highly conductive 3D macroporous sponge is fabricated by coating poly(3,4‐ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS)/silver nanowires (AgNWs) on a commercial sponge using a simple and low‐cost “immersion method.” The fabricated flexible 3D sponge conductor shows a high electrical conductivity of 3.94 × 10 −4 S cm −1 with good stability in various environments and under bending deformation. To exploit the potential of the flexible 3D PEDOT:PSS/AgNW coating on the sponge as a current collector for energy‐related applications, urchin‐like Co(OH)F arrays are directly grown on PEDOT:PSS/AgNW‐on‐sponge conductors for all‐solid‐state supercapacitors. The resulting symmetric all‐solid‐state supercapacitor exhibits a mass‐specific capacitance of 103.7 F g −1 at a current density of 1 A g −1 , retaining 85.8% of the initial capacitance after 3000 cycles, and mechanical flexibility during bending. This fabrication of the 3D lightweight conductor can be easily scaled up for mass production and introduces new opportunities for flexible electronic applications.
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