Issue 43, 2014
From the journal:

Journal of Materials Chemistry A

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

Jingmei Shen,‡a   Kai Han,‡ab   Elizabeth J. Martin,c   Yi Y. Wu,a   Mayfair C. Kung,a   Cary M. Hayner,a   Kenneth R. Shullc  and  Harold H. Kung*a  

* Corresponding authors

a Department of Chemical and Biological Engineering, Northwestern University, Evanston, Illinois, USA
E-mail: hkung@northwestern.edu
Fax: +1-847-4671018
Tel: +1-847-4917492

b College of Chemistry and Chemical Engineering, Central South University, Changsha, China

c Department of Materials Science and Engineering, Northwestern University, Evanston, Illinois, USA

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.

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

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Article information

DOI
https://doi.org/10.1039/C4TA04852K
Article type
Communication
Submitted
16 Sep 2014
Accepted
25 Sep 2014
First published
25 Sep 2014

J. Mater. Chem. A, 2014,2, 18204-18207

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

J. Shen, K. Han, E. J. Martin, Y. Y. Wu, M. C. Kung, C. M. Hayner, K. R. Shull and H. H. Kung, J. Mater. Chem. A, 2014, 2, 18204 DOI: 10.1039/C4TA04852K

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