Polymers of intrinsic microporosity (or PIMs) provide porous materials due to their highly contorted and rigid macromolecular structures, which prevent space-efficient packing. PIMs are readily dissolved in solvents and can be cast into robust microporous coatings and membranes. With a typical micropore size range of around 1 nm and a typical surface area of 700−1000 m² g⁻¹, PIMs offer channels for ion/molecular transport and pores for gaseous species, solids, and liquids to coexist. Electrode surfaces are readily modified with coatings or composite films to provide interfaces for solid|solid|liquid or solid|liquid|liquid or solid|liquid|gas multiphase electrode processes.

中文翻译：

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电化学多组分和多相界面设计中固有的微孔聚合物

具有固有微孔性的聚合物（或PIM）可提供多孔材料，因为它们具有高度扭曲的刚性大分子结构，从而无法节省空间。PIM很容易溶解在溶剂中，可以铸成坚固的微孔涂层和膜。PIM的典型微孔尺寸范围约为1 nm，典型表面积为700-1000 m ² g ^-1，可为离子/分子传输提供通道，并为气态物种，固体和液体共存提供孔隙。电极表面容易被覆膜或复合膜修饰，以提供用于固相或固相或固相或固相多相电极工艺的界面。