材料科学
聚吡咯
超级电容器
聚合物电容器
电解质
电极
电容
石墨
聚合物
乙烯醇
磷酸
导电聚合物
研磨
化学工程
复合材料
电解电容器
聚合
物理化学
化学
冶金
工程类
作者
C. Justin Raj,Byung Chul Kim,Won-Je Cho,Won‐Gil Lee,Sang-Don Jung,Yong Hee Kim,Sang Yeop Park
标识
DOI:10.1021/acsami.5b02070
摘要
Flexible supercapacitor electrodes have been fabricated by simple fabrication technique using graphite nanoflakes on polymer lapping films as flexible substrate. An additional thin layer of conducting polymer polypyrrole over the electrode improved the surface conductivity and exhibited excellent electrochemical performances. Such capacitor films showed better energy density and power density with a maximum capacitance value of 37 mF cm(-2) in a half cell configuration using 1 M H2SO4 electrolyte, 23 mF cm(-2) in full cell, and 6 mF cm(-2) as planar cell configuration using poly(vinyl alcohol) (PVA)/phosphoric acid (H3PO4) solid state electrolyte. Moreover, the graphite nanoflakes/polypyrrole over polymer lapping film demonstrated good flexibility and cyclic stability.
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