嵌段共聚物定向纳米颗粒燃料电池应用

T. Dermis, S. Mayavan, N. Dutta, N. Choudhury, S. Holdcroft
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引用次数: 0

摘要

提出了一种利用含氟嵌段共聚物合成纳米粒子的简单方法。在该方法中,铂NPs通过还原法被引入到聚(偏二氟乙烯-六氟丙烯)-聚(甲基丙烯酸甲酯)P((VDF-co-HFP)-b-PMMA)共聚物基体中。利用透射电子显微镜(TEM)和能量色散x射线(EDX)装置进行光谱分析,表征了NP的色散,表明NP是否选择性地结合到两相分离的共聚物嵌段之一上。最终,该技术的开发将成为燃料电池市场的主要优势,特别是作为质子交换膜燃料电池(pemfc)的催化电极。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Block Copolymer Directed Nanoparticle for Fuel Cell Applications
A simple method for synthesizing nanoparticles (NPs ) using a fluorinated block copolymer is proposed. In this method, platinum NPs were introduced, via a reducti on method, into a poly(vinylidene difluoride cohexafluoropropylene) b poly(methyl methacrylate) P((VDF-co-HFP)-b-PMMA) copolymer matrix. NP dispersion was characterized using transmission ele ctron microscopy (TEM) coupled with an energy-dispersive x-ray (EDX) device for spectroscopic analysis, indicating whether NPs were selectively bound to one of the tw o phase separated copolymer blocks. Ultimately, explo itati n of this technology would be a major advantage in th e fuel cell market, specifically as the catalytic electrod es of proton exchange membrane fuel cells (PEMFCs).
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