Improved ionomer blends, high-temperature polymer electrolyte membranes and electrode assemblies
AssigneeThe Penn State Research Foundation
InventorsChristopher George ARGES, Karthik ARUNAGIRI
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Abstract
Disclosed herein are ionomer blends and high temperature polymer electrolyte membranes for use in electrochemical cells. The ionomer blends include a mixture of polyphosphonic acids and polysulfonic acids. The high temperature polymer electrolyte membranes include crosslinked polymeric networks.
Claims29
An ionomer blend, comprising a polysulfonic acid of Formula (1):
- and a polyphosphonic acid.
An ionomer blend, comprising a polysulfonic acid of Formula (2a), Formula (2b), Formula (2c), or a combination thereof:
- wherein
- Rf has the formula —CF2CF2SO3H or —CF2CF2OCF2CF2SO3H;
- X is selected from null, O, C(CH3)2, or C(CF3)2;
- n is 0 or 1;
- a and b are in each case independently selected from 0, 1, 2, 3, or 4, preferably 0, 1, or 2, more preferably 0 or 1, and
- a polyphosphonic acid selected from polyvinylphosphoric acid, poly(vinyl benzyl phosphonic acid), and poly(styrene-4-phosphonic acid).
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Dependencies are inferred from the claim text.