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- W1972900938 abstract "The sulfonated poly(phthalazinone ether ketone) (SPPEK) membrane and quaternized poly(phthalazinone ether ketone) (QPPEK) membrane were prepared by the casting method from corresponding materials. Suitable thermal and mechanical properties of modified PPEK membranes were proved by thermogravimetry analysis and tensile machine. The ionic conductivities and methanol permeabilities of the two kinds of membranes were tested and compared with each other. The proton conductivity of SPPEK membrane and the hydroxide ion conductivity of QPPEK membrane reached respectively the maximum of 0.031 S/cm at 95 °C and of 0.014 S/cm at 80 °C under 100% relative humidity. Both the methanol permeabilities at room temperature were lower than that of Nafion117." @default.
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- W1972900938 date "2008-09-30" @default.
- W1972900938 modified "2023-10-18" @default.
- W1972900938 title "Polymer electrolyte membranes derived from modified poly(phthalazinone ether ketone) for fuel cell applications" @default.
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- W1972900938 doi "https://doi.org/10.1016/j.ssi.2007.12.055" @default.
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