Fig. 11
From: Supercapacitors with alternating current line-filtering performance
Reproduced with permission from Ref [19]. Copyright 2017. Wiley–VCH
a–c Schematic of LBL fabrication of a PiCBA film on Au interdigital electrodes; d TEM image shows a large area of a PiCBA film on a copper grid; e impedance phase angle on the frequency for the PiCBA-based MSC; f plot of capacitance versus the frequency of PiCBA-based MSCs; and g Ragone plots compared the energy and power density for PiCBA and reported supercapacitor and batteries.