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首页> 外文期刊>Journal of power sources >Poly (vinylidene fluoride-co-hexafluoropropylene)/polybenzimidazole blend nanofiber supported Nafion membranes for direct methanol fuel cells
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Poly (vinylidene fluoride-co-hexafluoropropylene)/polybenzimidazole blend nanofiber supported Nafion membranes for direct methanol fuel cells

机译:直接甲醇燃料电池用聚偏氟乙烯/六氟丙烯共聚物/聚苯并咪唑共混纳米纤维支撑的Nafion膜

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摘要

This article presents preparation of poly (vinylidene fluoride-co-hexarluoropropylene) (PvdF-co-HFP) and polybenzimidazole (PBI) blend electrospun nanofiber (PVFP-BI) films from N,N'-dimethyl acetamide (DMAc)/acetone mixture solutions. Using the PVFP-BI nanofiber film (thickness ~ 13-15 μm) as a supporting material for impregnating Nafion resin solution, Nafion/PVFP-BI composite membranes (thickness ~50 μm) are prepared and direct methanol fuel cell (DMFC) tests are performed. Better DMFC performance of the Nafion/PVFP-BI composite membrane than the commercial Nafion-117 (thickness ~ 175 μm) and Nafion-212 (thickness ~ 50 μm) membranes when blending with 5-10 wt.% of PBI in the PVFP-BI nanofiber support film is demonstrated.
机译:本文介绍了由N,N'-二甲基乙酰胺(DMAc)/丙酮混合溶液制备聚(偏二氟乙烯-共六氟丙烯)(PvdF-co-HFP)和聚苯并咪唑(PBI)共混电纺纳米纤维(PVFP-BI)薄膜的方法。 。以PVFP-BI纳米纤维膜(厚度〜13-15μm)作为浸渍Nafion树脂溶液的支撑材料,制备了Nafion / PVFP-BI复合膜(厚度〜50μm),并进行了直接甲醇燃料电池(DMFC)测试。执行。当与5-10 wt。%的PBI在PVFP-PP中共混时,Nafion / PVFP-BI复合膜的DMFC性能优于市售的Nafion-117(厚度〜175μm)和Nafion-212(厚度〜50μm)膜。展示了BI纳米纤维支撑膜。

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