DMSO-treated flexible PEDOT:PSS/PANi fiber electrode for high performance supercapacitors
Source abstract
Abstract
Wearable energy storage device nowadays gains great interest due to sharply increased demand for highly flexible, stretchable and embedded electronics, where fiber-based supercapacitor (FSC) is a competitive counterpart. The poly(3,4-ethylenedioxythiophene):poly(styrenesulfonic acid)/ polyaniline (PEDOT:PSS/PANi) fiber has been prepared via an accessible technique of one-dimensional (1D) self-assembly. Nevertheless, PSS as the main cross-linking matrix may lead to more hopping sites for charge carriers, lessening the continuous electrically conductive path. Herein, PEDOT:PSS/PANi fiber was treated with dimethyl sulfoxide (DMSO) to remove the insulative PSS chains. Coupling high electroactivity of PANi and high conductivity of PEDOT, the optimized DMSO-PEDOT:PSS/PANi fiber displays enhanced electrochemical properties with a high specific capacitance (Cs) of 367.7 F g−1 at 0.5 A g−1 and good rate capability. Moreover, a symmetric FSC based on the DMSO-P4P6 fiber exhibits a high energy density of 42.4 Wh kg−1 at a power density of 302.3 W kg−1. PEDOT: PSS/PANi fibers are prepared via a simple technique of one-dimensional (1D) self-assembly, and the PEDOT: PSS/PANi fiber exhibits superior flexibility, electrical conductivity, and electrochemical properties.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Conducting polymers and applications · Supercapacitor Materials and Fabrication · Advanced Sensor and Energy Harvesting Materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (40)
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