Shell Oil Comapny

Wynham Henry Boon

Thomas C Forschner

David Eric Gwyn

Christopher John Smith

James R MacCallum

Michael John Smith

A composition for use as a polymer electrolyte, wherein said composition includes one or more polar materials and one or more polyesters of formula III, wherein each unit A may be identical or different and is of the structure IV, wherein each unit B may be identical or different and is of the structure V, wherein R and Rare each, independently, hydrogen, optionally substituted hydrocarbyl or an inert functional group; a process for preparing said composition; the use of said composition as a polymer electrolyte in coulometers, displays, smart windows, cells or batteries; and a cell and/or battery having said composition.

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North Canton, OH, United States of America

Wynham Henry Boon