Back to results
US 9,806,314 B2Granted
Polymerized ionic liquid block copolymers as battery membranes
AssigneesDrexel University, The Trustees of the University of Pennsylvania
InventorsYossef A. Elabd, Karen I. Winey, Yuesheng Ye, Jae-Hong Choi, Tsen-Shan Sharon Sharick
Life of this patent
Estimating the term…
Abstract
The present invention is directed to compositions useful for use in separators for use in lithium ion batteries, and membranes, separators, and devices derived therefrom.
Claims20
A block copolymer comprising a first and second block, said first block comprising an acrylate or methacrylate derivative;
- said second block comprising (a) polymerized ionic liquid, said polymerized ionic liquid comprising a tethered ionic liquid cation and a mobile anion, and (b) a lithium ion salt of said mobile anion, wherein said block copolymer exhibits at least one region of nanophase separation.
Dependencies are inferred from the claim text.