Loo, W.
, Faraone, A.
, Grundy, L.
, Gao, K.
and Balsara, N.
(2020),
Polymer Dynamics in Block Copolymer Electrolytes Detected by Neutron Spin Echo, ACS Macro Letters, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=929755
(Accessed October 22, 2025)
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Polymer Dynamics in Block Copolymer Electrolytes Detected by Neutron Spin Echo
Published
Author(s)
Whitney S. Loo, , Lorena S. Grundy, Kevin W. Gao, Nitash P. Balsara
Abstract
Polymer chain dynamics of a nanostructured block copolymer electrolyte are investigated by neutron spin-echo spectroscopy. Monomeric friction, determined by fitting the short-time data to the Rouse model, increases with increasing salt concentration. Tube diameters, determined by fitting the long-time data to the reptation model, decrease with increasing salt concentration. The longest molecular relaxation time increasing salt concentration. We argue that quantifying chain motion is essential for predicting the behavior of batteries at large currents.Citation
ACS Macro Letters
Volume
9
Issue
5
Pub Type
Journals
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Created May 18, 2020, Updated October 12, 2021