Proton Exchange Membranes (PEM) Based On Hybrid Inorganic-organic Copolymers With Grafted Phosphoric Acid Groups And Implanted Metal Cations
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A proton exchange membrane comprises a hybrid inorganic-organic polymer that includes implanted metal cations. Acid groups are bound to the hybrid inorganic-organic polymer through an interaction with the implanted metal cations. An example process for manufacturing a proton exchange membrane includes sol-gel polymerization of silane precursors in a medium containing the metal cations, followed by exposure of the metal-implanted hybrid inorganic-organic polymer to an acid compound.
- Georgia Tech Patents