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 copolymer having the formula wherein Ar1 and Ar2 are independently selected from 1,2-phenylene, 1,3-phenylene, 1,4-phenylene, 4,4′-biphenylene, 4,4′thiobisphenylene, 2,2′-biphenylene, 2,2′-diphenylpropane, 2,2-diphenylhexafluoropropane, p-terphenylene, and 2,2′,3,3′,5,5′, 6,6′-octafluorobiphenylene, wherein X is —(SO2)— wherein Z is independently selected from alkylammonium, alkylphosphonium, and guanidinium, and wherein n and m are integers from 10 to 10,000.