Structural supercapacitor electrolytes based on bicontinuous ionic liquid–epoxy resin systems

Natasha Shirshova , Alexander Bismarck , Shuaijin Carreyette , Quentin P. V. Fontana , Emile S. Greenhalgh , Per Jacobsson , Patrik Johansson , Maciej J. Marczewski , Gerhard Kalinka , Anthony R. J. Kucernak , Johan Scheers , Milo S. P. Shaffer , Joachim H. G. Steinke , Malte Wienrich


‘Structural electrolytes’ retain the desirable mechanical characteristics of structural (epoxy) resins whilst introducing sufficient ionic conductivity to operate as electrolytes in electrochemical devices. Here, a series of ionic liquid–epoxy resin composites were prepared to identify the optimum system microstructure required to achieve a high level of multifunctionality. The ionic conductivity, mechanical properties, thermal stability and morphology of the cured epoxy based structural electrolytes were studied as a function of phase composition for three fully formulated high performance structural epoxy systems. At only 30 wt% of structural resin and 70 wt% of ionic liquid based electrolyte, stiff monolithic plaques with thicknesses of 2–3 mm were obtained with a room temperature ionic conductivity of 0.8 mS cm−1 and a Young's modulus of 0.2 GPa. This promising performance can be attributed to a long characteristic length scale spinodal microstructure, suggesting routes to further optimisation in the future.
Author Natasha Shirshova - [Department of Chemical Engineering and Biotechnology]
Natasha Shirshova,,
, Alexander Bismarck - [Department of Chemical Engineering and Biotechnology]
Alexander Bismarck,,
, Shuaijin Carreyette - [Cytec Industries Inc.]
Shuaijin Carreyette,,
, Quentin P. V. Fontana - [Cytec Industries Inc.]
Quentin P. V. Fontana,,
, Emile S. Greenhalgh - [Imperial College London]
Emile S. Greenhalgh,,
- Imperial College London
, Per Jacobsson - [Chalmers University of Technology]
Per Jacobsson,,
, Patrik Johansson - [Chalmers University of Technology]
Patrik Johansson,,
, Maciej J. Marczewski (FC / CICSST) - [Department of Applied Physics, Chalmers University of Technology]
Maciej J. Marczewski,,
- Chair Of Inorganic Chemistry And Solid State Technology
- Department of Applied Physics, Chalmers University of Technology
, Gerhard Kalinka - [Federal Institute for Materials Research and Testing Berlin]
Gerhard Kalinka,,
, Anthony R. J. Kucernak
Anthony R. J. Kucernak,,
et al.`
Journal seriesJournal of Materials Chemistry A: materials for energy and sustainability, ISSN 2050-7488, [2050-7496]
Issue year2013
Publication size in sheets0.5
ASJC Classification2500 General Materials Science; 2105 Renewable Energy, Sustainability and the Environment; 1600 General Chemistry
Languageen angielski
c3ta13163g.pdf 891.8 KB
Score (nominal)40
Score sourcejournalList
ScoreMinisterial score = 0.0, 09-01-2020, ArticleFromJournal
Ministerial score (2013-2016) = 40.0, 09-01-2020, ArticleFromJournal
Publication indicators Scopus Citations = 55; WoS Citations = 53; Scopus SNIP (Source Normalised Impact per Paper): 2014 = 1.508; WoS Impact Factor: 2014 = 7.443 (2) - 2014=7.449 (5)
Citation count*6 (2015-03-11)
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