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    A general approach toward enhancement of pseudocapacitive performance of conducting polymers by redox-active electrolytes

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    Type
    Article
    Authors
    Chen, Wei
    Xia, Chuan cc
    Baby, Rakhi Raghavan
    Alshareef, Husam N. cc
    KAUST Department
    Advanced Membranes and Porous Materials Research Center
    Functional Nanomaterials and Devices Research Group
    Material Science and Engineering Program
    Physical Science and Engineering (PSE) Division
    Date
    2014-12
    Permanent link to this record
    http://hdl.handle.net/10754/563876
    
    Metadata
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    Abstract
    A general approach is demonstrated where the pseudocapacitive performance of different conducting polymers is enhanced in redox-active electrolytes. The concept is demonstrated using several electroactive conducting polymers, including polyaniline, polypyrrole, and poly(3,4-ethylenedioxythiophene). As compared to conventional electrolytes, the redox-active electrolytes, prepared by simply adding a redox mediator to the conventional electrolyte, can significantly improve the energy storage capacity of pseudocapacitors with different conducting polymers. The results show that the specific capacitance of conducting polymer based pseudocapacitors can be increased by a factor of two by utilization of the redox-active electrolytes. In fact, this approach gives some of the highest reported specific capacitance values for electroactive conducting polymers. Moreover, our findings present a general and effective approach for the enhancement of energy storage performance of pseudocapacitors using a variety of polymeric electrode materials. © 2014 Elsevier B.V. All rights reserved.
    Citation
    Chen, W., Xia, C., Rakhi, R. B., & Alshareef, H. N. (2014). A general approach toward enhancement of pseudocapacitive performance of conducting polymers by redox-active electrolytes. Journal of Power Sources, 267, 521–526. doi:10.1016/j.jpowsour.2014.05.131
    Sponsors
    The research reported in this publication is supported by King Abdullah University of Science and Technology (KAUST). R.B.R. acknowledges support from SABIC Postdoctoral Fellowship.
    Publisher
    Elsevier BV
    Journal
    Journal of Power Sources
    DOI
    10.1016/j.jpowsour.2014.05.131
    10.1016/j.jpowsour.2014.05.131 Short communication
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.jpowsour.2014.05.131
    Scopus Count
    Collections
    Articles; Advanced Membranes and Porous Materials Research Center; Physical Science and Engineering (PSE) Division; Material Science and Engineering Program

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