Poly(ethylene glycol) diacrylate-supported ionogels with consistent capacitive behavior and tunable elastic response

ACS Applied Materials & Interfaces
Adam F Visentin, Matthew J Panzer

Abstract

Harnessing the many favorable properties of ionic liquids in a solid electrolyte thin film form is desirable for a host of electrical energy storage applications, including electrochemical double layer capacitors. Using a cross-linked polymer matrix to provide structural support, freestanding ionogel materials can be achieved with a wide range of polymer weight fractions. Compression testing and impedance spectroscopy have been used to characterize the mechanical and electrical responses of ionogels containing between 4.9 and 44.7 wt % poly(ethylene glycol) diacrylate. Although the elastic modulus of these solid electrolyte materials is observed to vary by more than 4 orders of magnitude within the composition range studied, concomitant changes in gel ionic conductivity and double layer capacitance were much less dramatic.

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Citations

Jul 22, 2014·Angewandte Chemie·Ariel I Horowitz, Matthew J Panzer
Sep 4, 2015·Advanced Materials·Baoqing NieTingrui Pan
Aug 27, 2014·Soft Matter·Mingyu LiJoost J Vlassak
Jun 23, 2018·Small·Shunsuke Yamada, Hiroshi Toshiyoshi
Nov 6, 2018·Scientific Reports·Ye ZhangRajesh Rajamani
Feb 5, 2020·Advanced Functional Materials·Zhongmou ChaoSusan K Fullerton-Shirey
Aug 16, 2018·The Journal of Physical Chemistry. B·Morgan E Taylor, Matthew J Panzer
Mar 12, 2020·ACS Applied Materials & Interfaces·Kyung Gook ChoKeun Hyung Lee
Sep 12, 2019·ACS Applied Materials & Interfaces·Ryan J FoxTheo J Dingemans
Nov 10, 2021·Materials Horizons·Liliana C ToméDavid Mecerreyes

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