Specialized Experiment in Polymer Materials and Engineering:Preparation and Performance Study of Conducting Polymer Based Paper Electrodes
Conductive paper electrodes are prepared by drop casting method using solution of PEDOT:PSS doped with dimethyl sulfoxide(DMSO)as conductive ink and filter paper as substrate.Conductivity changes of the conductive paper electrodes under different bending angles and cyclic bending are tested.Solid-state supercapacitors are assembled with conductive paper electrodes and polymer electrolyte of polyvinyl alcohol/phosphoric acid.The supercapacitors are evaluated by cyclic voltammetry,charge-discharge and bending tests.This experiment is easy to operate and has good repeatability,without the need for complex equipment such as glove box.Students can experience the fabrication process of flexible energy storage devices in a regular laboratory.
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