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Energy applications of ionic liquids

MacFarlane, Douglas R. and Tachikawa, Naoki and Forsyth, Maria and Pringle, Jennifer M. and Howlett, Patrick C. and Elliott, Gloria D. and Davis, James H. and Watanabe, Masayoshi and Simon, Patrice and Angell, C. Austen Energy applications of ionic liquids. (2014) Energy & Environmental Science, 7 (1). 232-250. ISSN 1754-5692

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Official URL: http://dx.doi.org/10.1039/c3ee42099j

Abstract

Ionic liquids offer a unique suite of properties that make them important candidates for a number of energy related applications. Cation–anion combinations that exhibit low volatility coupled with high electrochemical and thermal stability, as well as ionic conductivity, create the possibility of designing ideal electrolytes for batteries, super-capacitors, actuators, dye sensitised solar cells and thermoelectrochemical cells. In the field of water splitting to produce hydrogen they have been used to synthesize some of the best performing water oxidation catalysts and some members of the protic ionic liquid family co-catalyse an unusual, very high energy efficiency water oxidation process. As fuel cell electrolytes, the high proton conductivity of some of the protic ionic liquid family offers the potential of fuel cells operating in the optimum temperature region above 100 °C. Beyond electrochemical applications, the low vapour pressure of these liquids, along with their ability to offer tuneable functionality, also makes them ideal as CO2 absorbents for post-combustion CO2 capture. Similarly, the tuneable phase properties of the many members of this large family of salts are also allowing the creation of phase-change thermal energy storage materials having melting points tuned to the application. This perspective article provides an overview of these developing energy related applications of ionic liquids and offers some thoughts on the emerging challenges and opportunities.

Item Type:Article
Additional Information:Thanks to Royal Society of Chemistry editor. The original PDF of the article can be found at Energy & Environmental Science website : http://pubs.rsc.org/en/journals/journalissues/ee#!recentarticles
HAL Id:hal-00979082
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - INPT (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UPS (FRANCE)
Other partners > Arizona State University - ASU (USA)
Other partners > Monash University (AUSTRALIA)
Other partners > University of North Carolina - UNC (USA)
Other partners > University of South Alabama - USA (USA)
Other partners > Yokohama National University - YNU (JAPAN)
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Deposited By: cirimat webmestre
Deposited On:15 Apr 2014 10:02

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