Ternary polymer electrolytes containing pyrrolidinium-based polymeric ionic liquids for lithium batteries

TitleTernary polymer electrolytes containing pyrrolidinium-based polymeric ionic liquids for lithium batteries
Publication TypeArticolo su Rivista peer-reviewed
Year of Publication2010
AuthorsAppetecchi, Giovanni Battista, Kim G.-T., Montanino M., Carewska M., Marcilla R., Mecerreyes D., and De Meatza I.
JournalJournal of Power Sources
Volume195
Pagination3668-3675
ISSN03787753
KeywordsBis(trifluoromethane sulfonyl)imide, Electrochemical properties, Ionic liquids, Ionization of liquids, Ions, Lithium, Lithium polymer batteries, Poly(diallyldimethylammonium) bis(trifluoromethanesulfonyl)imide, Polyelectrolytes, Polymer electrolyte, Pyrrolidinium
Abstract

The electrochemical properties of solvent-free, ternary polymer electrolytes based on a novel poly(diallyldimethylammonium) bis(trifluoromethanesulfonyl)imide polymeric ionic liquid (PIL) as polymer host and incorporating PYR14TFSI ionic liquid and LiTFSI salt are reported. The PIL-LiTFSI-PYR14TFSI electrolyte membranes were found to be chemically stable even after prolonged storage times in contact with lithium anode and thermally stable up to 300 °C. Particularly, the PIL-based electrolytes exhibited acceptable room temperature conductivity with wide electrochemical stability window, time-stable interfacial resistance values and good lithium stripping/plating performance. Preliminary battery tests have shown that Li/LiFePO4 solid-state cells are capable to deliver above 140 mAh g-1 at 40 °C with very good capacity retention up to medium rates. © 2009 Elsevier B.V. All rights reserved.

Notes

cited By 113

URLhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-75749092892&doi=10.1016%2fj.jpowsour.2009.11.146&partnerID=40&md5=ca35cb36310456b0e3e9e6a287ac6a00
DOI10.1016/j.jpowsour.2009.11.146