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A hybrid superconcentrated electrolyte enables 2.5 V carbon-based supercapacitors

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Abstract

A hybrid solvent in salt electrolyte was developed by hybridizing aqueous and organic solvents in concentrated lithium bis(fluorosulfonyl)imide (LiFSI) salts, such an electrolyte provides an unprecedented electrochemical window of 5.35 V, which is even comparable to traditional organic electrolytes, and enables a super-stable carbon-based symmetric supercapacitor with a long life of 10 000 cycles at an operating voltage of 2.5 V.

Graphical abstract: A hybrid superconcentrated electrolyte enables 2.5 V carbon-based supercapacitors

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Article information


Submitted
19 Mar 2020
Accepted
03 Jun 2020
First published
04 Jun 2020

Chem. Commun., 2020, Advance Article
Article type
Communication

A hybrid superconcentrated electrolyte enables 2.5 V carbon-based supercapacitors

W. Wang, W. Deng, X. Wang, Y. Li, Z. Zhou, Z. Hu, M. Xue and R. Li, Chem. Commun., 2020, Advance Article , DOI: 10.1039/D0CC02040K

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