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Redox Mediated Electrolytes in Electrochemical Capacitors


[ 1 ] Instytut Chemii i Elektrochemii Technicznej, Wydział Technologii Chemicznej, Politechnika Poznańska | [ P ] employee

Scientific discipline (Law 2.0)

[6.5] Chemical sciences

Year of publication


Chapter type

chapter in monograph

Publication language


  • energy storage devices
  • electrochemical capacitors
  • redox-active electrolytes
  • aqueous electrolytes
  • organic electrolytes
  • ionic liquids

EN Electrochemistry is strongly related to redox reactions. Charge transfer processes are used for the current generation in all electrochemical cells. Nowadays, redox reactions are still of evitable importance for energy storage/conversion technology. For instance, the charge and discharge of batteries exploit redox reactions. Moreover, these processes can also be used to improve the operating parameters of other energy storage devices like electrochemical capacitors. Although, in principle, the energy in electrochemical capacitors is stored in an electrostatic manner (by electrical double-layer formation), the redox reactions introduce an additional charge and improve the energy of these systems. This chapter presents the principles of electrochemical capacitors’ operation and provides comprehensive insights into this technology with special attention focused on hybrid systems, exploiting the redox activity of the electrolytic solution.

Pages (from - to)

1 - 20



Redox Chemistry - From Molecules to Energy Storage

Ministry points / chapter


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