MEMBRANES FOR USE IN ELECTROCHEMICAL SENSORS AND ASSOCIATED DEVICES

摘要

A membrane is provided, as well as membrane electrode assemblies and sensors utilizing the membrane of the present technology. The membrane includes a membrane material with a top surface and a bottom surface; and a protonic ionic liquid disposed at least between the top surface and the bottom surface of the membrane material where the protonic ionic liquid is of Formula I.;

主权项

1. A membrane electrode assembly comprising
an anode; a cathode comprising an oxygen reduction catalyst; and a membrane comprising:
a membrane material with a top surface and a bottom surface; anda protonic ionic liquid disposed at least between the top surface and the bottom surface of the membrane material;wherein the protonic ionic liquid is of Formula I: where R1, R2, and R3 are each independently H or a substituted or unsubstituted alkyl or cycloalkyl group, or where R1 and R2 taken together are a C2-C4 alkylene group; andX− is a sulfate, bisulfate, sulfonate, halide, carboxylate, phosphate, phosphonate, dicyanamide anion, perfluoroalkylsulfonate, perfluoroalkylsulfonamide anion, or bis(perfluoroalkylsulfonyl)imide anion.