Pd负载高度交联聚苯乙烯的制备及储氢性能(英文)  

Preparation of Pd Loading Hypercrosslinked Polystyrenes and Their Hydrogen Storage Properties

作　　者：范登森[1] 王立[1] 俞豪杰[1] 霍甲[1] 

机构地区：[1]浙江大学化学工程联合国家重点实验室,浙江杭州310027

出　　处：《材料科学与工程学报》2012年第6期815-821,共7页Journal of Materials Science and Engineering

基　　金：supported by the International Science and Technology Cooperation Project of Ministry of Science and Technology of China(2009DFR40640);the Doctoral Foundation of Ministry of Education of China(200803350118);the China Postdoctoral Science Foundation(200902632);the Analysis,Test Foundation of Zhejiang Province(2008F70066);the Science and Technology Program of Ningbo(2009D10005)

摘　　要：多孔材料已经被广泛地应用于储氢研究。本文研究了Pd负载的高度交联聚苯乙烯(Pd-HCLPS)储氢材料的制备及储氢性能。在超声的辅助下,通过简便的置换反应成功制备了Pd-HCLPS。Pd颗粒以纳米尺度均匀分散在聚合物中。通过调节超声时间,制备了一系列不同Pd含量的Pd-HCLPS样品。发现Pd含量是影响氢溢流的一个重要因素。相比于HCLPS,Pd的负载使Pd-HCLPS样品的储氢量增强了1.1～1.7倍。在173K,3.1MPa下,最大储氢量为1.46wt%。Porous materials have been widely studied for hydrogen storage. The performance of Pd loading hypercrosslinked polystyrene （Pd-HCLPS） as a hydrogen storage materials has been investigated. The authors successfully synthesized Pd-HCLPS using a facile displacement reaction with the aid of ultrasonication. The Pd particles were well dispersed on the polymer at nanoscale. A series of Pd-doped HCLPS samples with different Pd content have been prepared via simply tuning the ultrasonic time. Our studies showed that the Pd content was an important factor affecting the enhancement in hydrogen spillover system. Compared to unloading HCLPS, the spillover storage capacity of Pd-HCLPS sample was enhanced by factors ranging from 1.1 to 1.7 depending on different Pd content. It was found that the maximal hydrogen storage capacity was 1.46 wt~ at 17aK and 3.1MPa.

关 键 词：储氢 Pd负载 多孔材料 

分 类 号：TB333[一般工业技术—材料科学与工程]