Experimental investigation on hydrogen storage in polymer based nanocomposite

R. Muthu, S. Rajashabala, R. Kannan
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引用次数: 1

Abstract

In the present study, the hydrogen storage performance of SPEEK-h-BN nanocomposite membrane is investigated. The SPEEK-h-BN nanocomposite is prepared by using phase inversion technique. Hydrogen adsorption studies have been carried out for the membranes using a Seiverts-like hydrogenation setup. The synthesized membranes are characterized by 1H NMR, Raman spectroscopy, SEM, EDS, CHN-elemental analysis and TGA to analyze the membrane at various steps of experiments. It is observed that the SPEEK-h-BN nanocomposite membrane shows the enhanced performance compared to the pure SPEEK with a maximum storage capacity of 2.98 wt. % at 150 °C and the adsorbed hydrogen possess the average binding energy of 0.38 eV, while the pure SPEEK shows the storage capacity of 0.66 wt. % at 150 °C and the average binding energy of hydrogen of 0.36 eV. The TGA study shows the dehydrogenation of hydrogenated SPEEK-h-BN nanocomposite favors in the temperature range of 214 -218 °C.
聚合物基纳米复合材料储氢性能的实验研究
本文研究了SPEEK-h-BN纳米复合膜的储氢性能。采用相变技术制备了SPEEK-h-BN纳米复合材料。氢吸附的研究已经进行了膜使用类似seiverts加氢装置。采用1H NMR、拉曼光谱、SEM、EDS、chn元素分析和TGA等手段对合成膜进行了表征。结果表明,SPEEK-h- bn纳米复合膜在150℃下的最大存储容量为2.98 wt. %,吸附氢的平均结合能为0.38 eV,而SPEEK-h- bn纳米复合膜在150℃下的最大存储容量为0.66 wt. %,吸附氢的平均结合能为0.36 eV。TGA研究表明,氢化SPEEK-h-BN纳米复合材料在214 ~ 218℃范围内有利于脱氢。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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