Study suggests the introduction of multi-cations contributes to the performance of anion exchange membranes

https://phys.org/news/2023-10-introduction-multi-cations-contributes-anion-exchange.html

"poly (p-terphenyl isatin) anion exchange membrane with quaternary ammonium and piperidine cations synergistic functionalization that provides excellent mechanical properties and OH-ion conductivity for alkaline anion membrane fuel cells... high power density... superior alkaline stability... alkali stability series of anion exchange membranes 800 h... tensile strength pure membranes reaches >60 MPa providing stable foundation for further functionalization subsequent anion exchange membranes"

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