Upper-critical solution temperature (UCST) polymer functionalized graphene oxide as thermally responsive ion permeable membrane for energy storage devices

Jingmei Shen, Elizabeth J. Martin, Yi Y. Wu, Mayfair C. Kung, Cary M. Hayner, Kenneth R. Shull, Harold H. Kung

Research output: Contribution to journalArticle

20 Scopus citations

Abstract

A thermally responsive membrane separator, suitable for use in non-aqueous electrolytes, was constructed by grafting a UCST polymer, poly(sulfobetaine), onto graphene oxide sheets. When heated from 20 to 80 °C, it decreased the specific storage capacity of the electrode for Li by >50% reversibly, compared to 30% increase without polymer modification.
Original languageEnglish
Pages (from-to)18204-18207
JournalJournal of Materials Chemistry A
Volume2
DOIs
StatePublished - 2014

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