What is it about?
Using redox active electrolytes can enhance the charge (and energy as well in many cases) storage capacity of supercapacitors. However, there some issues related to this approach.
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Why is it important?
Clarification between capacitive and non-capacitive charge storage mechanisms so that readers will no longer use only the concept of capacitance (and related equations) to describe such devices.
Perspectives
In presence of a redox electrolyte, charge storage in the supercapacitor follows both the capacitive and non-capacitive mechanisms. Consequently, the equations for analysis of capacitance are likely not valid, and it is inappropriate to use the capacitance concept to describe such devices. Supercapattery is the name we recommend to use.
Professor George Zheng Chen
University of Nottingham
Read the Original
This page is a summary of: Redox Electrolytes in Supercapacitors, Journal of The Electrochemical Society, January 2015, The Electrochemical Society,
DOI: 10.1149/2.0111505jes.
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