High Temperature Supercapacitors using Water-in-Salt Electrolytes: stability above 100 °C

Lewis Le Fevre; Andinet  Ejigu; Rebecca Todd; Andrew J. Forsyth; Robert Dryfe

doi:10.1039/D1CC01087E

High Temperature Supercapacitors using Water-in-Salt Electrolytes: stability above 100 °C

Lewis Le Fevre, Andinet Ejigu, Rebecca Todd, Andrew J. Forsyth, Robert Dryfe

Analytical, Measurements and Physical Chemistry

Research output: Contribution to journal › Article › peer-review

Abstract

The high temperature performance of water-in-salt electrolytes was investigated using a carbon-based electrode with commercial cell components. Supercapacitors using 21 m Li bis(trifluoromethylsulphonyl)imide (TFSI) and 21 m LiTFSI + 7m Li trifluoromethanesulphonyl electrolytes are shown to operate at a voltage of 2 V at 100 oC and 120 oC, respectively, with gravimetric capacitances exceeding 100 F g-1s

Original language	English
Journal	Chemical Communications
Early online date	27 Apr 2021
DOIs	https://doi.org/10.1039/D1CC01087E
Publication status	E-pub ahead of print - 27 Apr 2021

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National Graphene Institute

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title = "High Temperature Supercapacitors using Water-in-Salt Electrolytes: stability above 100 °C",

abstract = "The high temperature performance of water-in-salt electrolytes was investigated using a carbon-based electrode with commercial cell components. Supercapacitors using 21 m Li bis(trifluoromethylsulphonyl)imide (TFSI) and 21 m LiTFSI + 7m Li trifluoromethanesulphonyl electrolytes are shown to operate at a voltage of 2 V at 100 oC and 120 oC, respectively, with gravimetric capacitances exceeding 100 F g-1s",

author = "{Le Fevre}, Lewis and Andinet Ejigu and Rebecca Todd and Forsyth, {Andrew J.} and Robert Dryfe",

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T1 - High Temperature Supercapacitors using Water-in-Salt Electrolytes: stability above 100 °C

AU - Le Fevre, Lewis

AU - Ejigu, Andinet

AU - Todd, Rebecca

AU - Forsyth, Andrew J.

AU - Dryfe, Robert

PY - 2021/4/27

Y1 - 2021/4/27

N2 - The high temperature performance of water-in-salt electrolytes was investigated using a carbon-based electrode with commercial cell components. Supercapacitors using 21 m Li bis(trifluoromethylsulphonyl)imide (TFSI) and 21 m LiTFSI + 7m Li trifluoromethanesulphonyl electrolytes are shown to operate at a voltage of 2 V at 100 oC and 120 oC, respectively, with gravimetric capacitances exceeding 100 F g-1s

AB - The high temperature performance of water-in-salt electrolytes was investigated using a carbon-based electrode with commercial cell components. Supercapacitors using 21 m Li bis(trifluoromethylsulphonyl)imide (TFSI) and 21 m LiTFSI + 7m Li trifluoromethanesulphonyl electrolytes are shown to operate at a voltage of 2 V at 100 oC and 120 oC, respectively, with gravimetric capacitances exceeding 100 F g-1s

U2 - 10.1039/D1CC01087E

DO - 10.1039/D1CC01087E

M3 - Article

JO - Chemical Communications

JF - Chemical Communications

SN - 1359-7345

ER -

High Temperature Supercapacitors using Water-in-Salt Electrolytes: stability above 100 °C

Abstract

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