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Recent Developments and Prospects of Nanostructured Supercapacitors
Book chapter

Recent Developments and Prospects of Nanostructured Supercapacitors

Katherine L Van Aken and Yury Gogotsi
Nanotechnology for Energy Sustainability, pp 391-404
01 Feb 2017
DOI: https://doi.org/10.1002/9783527696109.ch17

Abstract

carbon nanomaterials nanostructured supercapacitors electrochemical capacitors electrolyte materials room temperature ionic liquids electrode‐electrolyte interfaces energy storage devices nanostructured electrode materials
This chapter discusses the recent developments in nanomaterials that can advance supercapacitors as well as some new prospects in the field with a focus on carbon nanomaterials. It also discusses characteristics and features of different electrode and electrolyte materials and the relationship between these two components. Room temperature ionic liquids (RTILs) have been shown to increase the operating potential window for supercapacitor devices, as well as extend the operating temperature range beyond that of any other electrolytes to date. The chapter gives a few examples of how they can increase the performance of supercapacitors in different ways. It considers new ways to design supercapacitors based on components that are mutually beneficial. Full understanding of charge transfer and storage of electrochemical interfaces at the nanoscale is extremely important for future design of new systems. In situ and in operando studies at the nanoscale can assist in further understanding of the processes at these interfaces.

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