POLYMER FUNCTIONALIZED GRAPHENE OXIDE AND THERMALLY RESPONSIVE ION PERMEABLE MEMBRANES MADE THEREFROM

摘要

Thermally responsive materials, porous membranes comprising the thermally responsive materials, and batteries incorporating the porous membranes as thermally responsive separation membranes are provided. Also provided are methods of making the thermally responsive materials. The thermally responsive materials comprise upper critical solution temperature (UCST) polymers covalently bound to a support substrate.

主权项

1. A thermally responsive material comprising:
a substrate; and polymer molecules covalently bonded to the substrate, the polymer molecules having an upper-critical solution temperature in non-aqueous solution, the polymer molecules characterized in that they phase separate from the non-aqueous solution at temperatures below the upper-critical solution temperature, but undergo a reversible conformational change at the upper-critical solution temperature such that they are miscible in the non-aqueous solution at temperatures above the upper-critical solution temperature; wherein the thermally responsive material is porous and electrically insulating.