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题名: Silicon modified ultrafiltration-based proton-conductive membranes with improved performance for H-2/Cl-2 fuel cell application
作者: Liu, Sa1, 2;  Yu, Hongmei1;  Zhou, Li1;  Wang, Pengjie1, 2;  Shao, Zhigang1;  Yi, Baolian1
关键词: Ultrafiltration ;  Proton-conductive membrane ;  SiO2 nanoparticles ;  Fuel cell
刊名: INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
发表日期: 2012-08-01
DOI: 10.1016/j.ijhydene.2012.04.096
卷: 37, 期:15, 页:11425-11430
收录类别: SCI
文章类型: Article
类目[WOS]: Chemistry, Physical ;  Electrochemistry ;  Energy & Fuels
研究领域[WOS]: Chemistry ;  Electrochemistry ;  Energy & Fuels
英文摘要: Ultrafiltration (UF)-based proton-conductive membranes, which comprised nanosize SiO2, polyethersulfone and aqueous acid absorbed, as an alternative to traditional ion exchange membranes, were first proposed and successfully prepared for H-2/Cl-2 fuel cell. Various membranes were prepared with different weight fractions of SiO2 nanoparticles. The effect of silicon content on the performance of membranes was characterized. The ionic conductivity of a membrane doped with 3 M hydrochloric acid increased with the silicon content and reached 0.150 S cm(-1) at 15 wt.% SiO2. A non-optimized H-2/Cl-2 fuel cell assembled with the modified UF membrane (115 pm thick) exhibited better performance than that with Nafion 115 membrane. It demonstrated that 12.67% and 55.03% improved at 10 wt.% and 15 wt.% SiO2, respectively. The study provides an effective way to fabricate high performance porous membranes for H-2/Cl-2 fuel cell application. Copyright (C) 2012, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
关键词[WOS]: ENERGY-STORAGE SYSTEM ;  ELECTRODE-KINETICS ;  SULFONIC-ACID ;  HYDROGEN
语种: 英语
WOS记录号: WOS:000307600700046
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142842
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Fuel Cell Syst & Engn Lab, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China

Recommended Citation:
Liu, Sa,Yu, Hongmei,Zhou, Li,et al. Silicon modified ultrafiltration-based proton-conductive membranes with improved performance for H-2/Cl-2 fuel cell application[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2012,37(15):11425-11430.
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