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首页> 外文期刊>Journal of Materials Chemistry, A. Materials for energy and sustainability >Phenol resin carbonized films with anisotropic shrinkage driven ordered mesoporous structures
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Phenol resin carbonized films with anisotropic shrinkage driven ordered mesoporous structures

机译：各向异性收缩驱动的有序介孔结构的酚醛树脂碳化膜

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摘要

High surface area and accessibility to the surface are very important for designing advanced electrodes for energy storage, battery, and capacitor systems because electrons are delivered at the surfaces of carbon based electrodes after diffusion into pore spaces. In this study, phenol resin carbonized porous films with controllable mesostructures and highly accessible surfaces were fabricated using the common EO_nPO_mEO_n-type triblock copolymer. Unique mesostructural transformation of cage-type and tubular mesopores by anisotropic shrinkage was demonstrated from analytical data of the films carbonized at different temperatures. The development of the soft-templating method to obtain surfactant assisted carbon films showing high surface areas is quite significant because further design of mesostructure (anisotropic shrinkage), composition (nitrogen doping, combination with other well-designed carbon based materials) and morphology (coating, spraying, etc.) would be possible for making high-performance electrodes for fuel cells, solar cells, batteries, and energy storage systems, as well as catalytic supports and adsorbents for functional chemical synthesis, purification, and separation.
机译：高表面积和表面可及性对于设计用于储能，电池和电容器系统的高级电极非常重要，因为电子在扩散到孔隙空间后会在碳基电极的表面传递。在这项研究中，使用常见的EO_nPO_mEO_n型三嵌段共聚物制备了具有可控介孔结构和易于接近的表面的酚醛树脂碳化多孔膜。通过在不同温度下碳化的薄膜的分析数据证明了各向异性收缩引起的笼型和管状中孔的独特的介观结构转变。开发软模制方法以获得具有高表面积的表面活性剂辅助的碳膜非常重要，因为进一步设计了介观结构（各向异性收缩），成分（氮掺杂，与其他设计良好的碳基材料结合）和形态（涂层） ，喷涂等）制造用于燃料电池，太阳能电池，电池和能量存储系统的高性能电极，以及用于功能性化学合成，纯化和分离的催化载体和吸附剂将是可能的。

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