Conductive AFM Study to Differentiate Between the Surface Ionic Conductivity of Nafion® and Electrospun Membranes
Conductive AFM Study to Differentiate Between the Surface Ionic Conductivity of Nafion® and Electrospun Membranes
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导电 AFM 研究区分 Nafion® 和静电纺膜的表面离子电导率
DOI：
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发表时间：
2013
期刊：
影响因子：
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通讯作者：
Jun Woo Park
中科院分区：
文献类型：
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作者：
R. Dowd;T. Nguyen;D. Moore;P. Pintauro;Jun Woo Park
使用多模式原子力显微镜 (AFM) 来区分 Nafion® 和电纺复合纳米纤维膜。该实验的结果将指导新型质子交换膜（PEM）的设计。表征静电纺丝复合纳米纤维膜将使我们能够确定下一代质子交换膜的理想特性。为质子交换膜燃料电池设计质子传导膜，允许质子穿过并抑制其他物质穿过，这对于其长期运行至关重要。当质子以外的物质穿过质子交换膜时，就会出现电极溢流、不良化学反应和燃料电池效率降低等问题。
Multi-mode atomic force microscopy (AFM) was used to differentiate between Nafion® and electrospun composite nanofiber membranes. The results of this experiment will guide the design of new class of proton exchange membranes (PEM). Characterizing the electrospun composite nanofiber membranes will allow us to identify properties that are ideal for the next generation PEM. Engineering the proton conducting membrane for a PEM fuel cell that allows protons and inhibits other species to cross is vital to its long-term operation. When species other than protons are allowed to cross a PEM, issues arise in the form of electrode flooding, adverse chemical reactions, and reduced fuel cell efficiency.