POLY(ARYLENE)-BASED ANION EXCHANGE POLYMER ELECTROLYTES

摘要

Poly(arylene) electrolytes including copolymers lacking ether groups in the polymer may be used as membranes and binders for electrocatalysts in preparation of anodes for electrochemical cells such as solid alkaline fuel cells.

主权项

1. A composition comprising a repeating unit of the formulawherein Ar1 and Ar2 are independently selected from divalent aromatic or divalent heteroaromatic groups,
wherein Ar1 and Ar2 are optionally substituted with one or more monovalent organic groups, wherein X is independently selected from —(SO2)— and —(C═O)—, wherein Z is a cationic functional group selected from alkylammonium, alkylphosphonium, and alkylguanidinium, and wherein n is an integer from 10 to 10,000.