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US 12,463,229 B2Granted
Bipolar ionomer membrane
AssigneeCAMX Power LLC
InventorJack Treger
Life of this patent
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Abstract
Provided are membranes useful for electrochemical or fuel cells. A membrane may be formed of or include a sulfonated polymer whereby the sulfonated polymer is covalently or ionically associated with a multi-nitrogen containing heterocyclic molecule. The resulting membranes possess excellent ion conductivity and selectivity.
Claims19
A membrane comprising:
- a sulfonated polymer;
- and
- multi-nitrogen containing heterocyclic molecule, the heterocyclic molecule comprising a primary amine substituent;
- wherein the primary amine is covalently or ionically bonded to a single sulfonic acid of the sulfonated polymer.
1 more element
Dependencies are inferred from the claim text.