Journal ArticleDOI
Ionic-liquid materials for the electrochemical challenges of the future.
TLDR
The goal in this review is to survey the recent key developments and issues within ionic-liquid research in these areas, and to generate interest in the wider community and encourage others to make use of ionic liquids in tackling scientific challenges.Abstract:
Ionic liquids are room-temperature molten salts, composed mostly of organic ions that may undergo almost unlimited structural variations. This review covers the newest aspects of ionic liquids in applications where their ion conductivity is exploited; as electrochemical solvents for metal/semiconductor electrodeposition, and as batteries and fuel cells where conventional media, organic solvents (in batteries) or water (in polymer-electrolyte-membrane fuel cells), fail. Biology and biomimetic processes in ionic liquids are also discussed. In these decidedly different materials, some enzymes show activity that is not exhibited in more traditional systems, creating huge potential for bioinspired catalysis and biofuel cells. Our goal in this review is to survey the recent key developments and issues within ionic-liquid research in these areas. As well as informing materials scientists, we hope to generate interest in the wider community and encourage others to make use of ionic liquids in tackling scientific challenges.read more
Citations
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Journal ArticleDOI
Lithium batteries: Status, prospects and future
Bruno Scrosati,Jürgen Garche +1 more
TL;DR: In this article, the authors present the present status of lithium battery technology, then focus on its near future development and finally examine important new directions aimed at achieving quantum jumps in energy and power content.
Journal ArticleDOI
Deep Eutectic Solvents (DESs) and Their Applications
Journal ArticleDOI
A review of electrolyte materials and compositions for electrochemical supercapacitors
TL;DR: The principles and methods of designing and optimizing electrolytes for ES performance and application are highlighted through a comprehensive analysis of the literature, and challenges in producing high-performing electrolytes are analyzed.
Journal ArticleDOI
Challenges Facing Lithium Batteries and Electrical Double‐Layer Capacitors
Nam-Soon Choi,Zonghai Chen,Stefan Freunberger,Xiulei Ji,Yang-Kook Sun,Khalil Amine,Gleb Yushin,Linda F. Nazar,Jaephil Cho,Peter G. Bruce +9 more
TL;DR: The Review will consider some of the current scientific issues underpinning lithium batteries and electric double-layer capacitors.
References
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High Rates of Oxygen Reduction over a Vapor
Abstract: The air electrode, which reduces oxygen (O2), is a critical component in energy generation and storage applications such as fuel cells and metal/air batteries. The highest current densities are achieved with platinum (Pt), but in addition to its cost and scarcity, Pt particles in composite electrodes tend to be inactivated by contact with carbon monoxide (CO) or by agglomeration. We describe an air electrode based on a porous material coated with poly(3,4-ethylenedioxythiophene) (PEDOT), which acts as an O2 reduction catalyst. Continuous operation for 1500 hours was demonstrated without material degradation or deterioration in performance. O2 conversion rates were comparable with those of Pt-catalyzed electrodes of the same geometry, and the electrode was not sensitive to CO. Operation was demonstrated as an air electrode and as a dissolved O2 electrode in aqueous solution.
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Ionic liquid salt-induced inactivation and unfolding of cellulase from Trichoderma reesei
TL;DR: Experiments have indicated that [bmim]Cl, and several other ILs, as well as dimethylacetamide–LiCl (a well-known solvent system for cellulose), inactivate cellulase under these conditions.
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Preparation of room temperature ionic liquids based on aliphatic onium cations and asymmetric amide anions and their electrochemical properties as a lithium battery electrolyte
TL;DR: In this article, the physical and electrochemical properties of room temperature ionic liquids (RTILs) based on asymmetric amide anions (TSAC: 2,2,2-trifluoro-N -(triffluoromethylsulfonyl)acetamide, C1C2: N -(tricyclic polysilicon)pentafluoroethylsulfonamide) and aliphatic onium cations, such as ammonium, phosphonium and sulfonium, were reported.
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Ionic liquids as stable solvents for ionic polymer transducers
Matthew D. Bennett,Donald J. Leo +1 more
TL;DR: In this article, the use of highly stable ionic liquids to replace water is explored, which is due to the chemical breakdown of the water at relatively low operating voltages and the loss of water to evaporation when these devices are operated in air, causing a corresponding loss of performance.
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PEO-Based Polymer Electrolytes with Ionic Liquids and Their Use in Lithium Metal-Polymer Electrolyte Batteries
TL;DR: In this paper, the room temperature ionic liquid (RTIL) N-methyl-N-propylpyrrolidinium bis(trifluoromethanesulfonyl)imide (PYR 1 3 TFSI) was added to LiTFSI polymer electrolytes and the use of these electrolytes insolid-state Li/V 2 O 5 batteries has been investigated.