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An improved solution-cast method is presented to prepare multi-wall carbon nanotubes (MWCNTs)/Nafion ® reinforced membrane with different MWCNTs content (from 1 to 4wt.%). MWCNTs were oxidized by H 2 O 2 and sodium hydroxide (NaOH) was added into the MWCNTs/Nafion ® /N,N-dimethylacetamide (DMAC) solution. The long-term stability of the resulting dispersions was much...
A sulfonated polyimide (SPI)/PTFE reinforced membrane was synthesized by impregnating PTFE (porous polytetrafluoroethylene) membrane with a SPI/DMSO solution. The resulting composite membrane was mechanically durable and quite thin relative to traditional perfluorosulfonated ionomer membranes (PFSI). We expect the PTFE to restrict the swelling and dimensional change of the SPI when it is immersed...
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