Patent ID: 11949136
Assignee: WASHINGTON UNIVERSITY
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 9:
10. The method of claim 1, wherein the first ion exchange ionomer or the second ion exchange ionomer comprises a material selected from the group consisting of:
a perfluorinated membrane having a thickness of 0.002 inches and a chemical formula of (C7HF13O5S·C2F4)x in the following structural orientation, wherein the value of m/(m+n) is in the range of from about 0.001 to about 1:, a perfluorinated membrane having a thickness of 0.005 inches and a chemical formula of (C7HF13O5S·C2F4)x in the following structural orientation, wherein the value of m/(m+n) is in the range of from about 0.001 to about 1:, a perfluorinated membrane having a thickness of 0.007 inches and a chemical formula of (C7HF13O5S·C2F4)x in the following structural orientation, wherein the value of m/(m+n) is in the range of from about 0.001 to about 1:, sulfonated polystyrene-block-poly(ethylene-ran-butylene)-block-polystyrene tri-block copolymer, sulfonated poly (phenylene oxide), poly(ethylene-co-tetrafluoroethylene)-graft-poly(styrene sulfonic acid), poly(vinylidene fluoride)-graft-poly(styrene sulfonic acid), sulfonated poly(arylene ether ether ketone), sulfonated poly(4-phenoxybenzoyl-1,4-phenylene), sulfonated polysulfone, and combinations thereof.