Storing electricity as chemical energy: Beyond traditional electrochemistry and double-layer compression

Markus Antonietti, Xiaodong Chen, Runyu Yan, Martin Oschatz

Research output: Contribution to journalArticlepeer-review

41 Citations (Scopus)

Abstract

Extending the range of analysis of previous measurements on energy storage in ionic liquid (IL)-based supercapacitors with very well defined carbon materials indicates that there are two distinct processes at play: the one at lower voltages is (classically) related to the micropore inclusion of single ions, while a previously unknown high voltage transition can be ascribed to a change in the structure and coordination number of the ionic liquid. This opinion article discusses a proof of circumstantial evidence for this so far weakly understood and often overlooked mode of energy storage, which in principle could take supercapacitors to a new level of energy storage.

Original languageEnglish
Pages (from-to)3069-3074
Number of pages6
JournalEnergy and Environmental Science
Volume11
Issue number11
DOIs
Publication statusPublished - Nov 2018
Externally publishedYes

Bibliographical note

Publisher Copyright:
© The Royal Society of Chemistry 2018.

ASJC Scopus Subject Areas

  • Environmental Chemistry
  • Renewable Energy, Sustainability and the Environment
  • Nuclear Energy and Engineering
  • Pollution

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