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Lee, Sung-Il,Schö,mer, Martina,Peng, Huagen,Page, Kirt A.,Wilms, Daniel,Frey, Holger,Soles, Christopher L.,Yoon, Do Y. American Chemical Society 2011 Chemistry of materials Vol.23 No.11
<P>Poly(ethylene oxide)s with varying degrees of hyperbranching are effective at preventing the crystallization of PEO and lead to approximately a 100-fold increase in the Li-ion conductivity below 50 °C as compared with linear PEO. The Li-ion conductivities, which increase further upon permethylation of the hydroxyl termini, are found to correlate quantitatively with the fast segmental dynamics of PEO as measured by inelastic neutron scattering.</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/cmatex/2011/cmatex.2011.23.issue-11/cm103696g/production/images/medium/cm-2010-03696g_0005.gif'></P><P><A href='http://pubs.acs.org/doi/suppl/10.1021/cm103696g'>ACS Electronic Supporting Info</A></P>