Issue 11, 2018

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

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

Article information

Article type
Opinion
Submitted
13 jún. 2018
Accepted
20 ágú. 2018
First published
07 sep. 2018
This article is Open Access
Creative Commons BY license

Energy Environ. Sci., 2018,11, 3069-3074

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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