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Issue 11, 2018
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Storing electricity as chemical energy: beyond traditional electrochemistry and double-layer compression

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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.

Graphical abstract: Storing electricity as chemical energy: beyond traditional electrochemistry and double-layer compression

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Article information


Submitted
13 Jun 2018
Accepted
20 Aug 2018
First published
07 Sep 2018

This article is Open Access

Energy Environ. Sci., 2018,11, 3069-3074
Article type
Opinion

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

M. Antonietti, X. Chen, R. Yan and M. Oschatz, Energy Environ. Sci., 2018, 11, 3069
DOI: 10.1039/C8EE01723A

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