Morten Wetjen, Dr. Maria Assunta Navarra, Prof. Stefania Panero, Prof. Stefano Passerini, Prof. Bruno Scrosati and Dr. Jusef Hassoun Composite Poly(ethylene oxide) Electrolytes Plasticized by N-Alkyl-N-butylpyrrolidinium Bis(trifluoromethanesulfonyl)imide for Lithium Batteries ChemSusChem 6
Electrolyte right! A new and attractive electrolyte based on polyethylene oxide and N-butyl-N-ethyl-pyrrolidinium bis(trifluoromethanesulfonyl)imide ionic liquid as plasticizer shows high conductivity at medium to low temperatures. This allows its employment in a solid polymer lithium battery using LiFePO4 as the cathode and its efficient operation at temperatures of about 50 °C.
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