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题名: Ionic-Liquid-Based Proton Conducting Membranes for Anhydrous H-2/Cl-2 Fuel-Cell Applications
作者: Liu, Sa1, 2;  Zhou, Li1;  Wang, Pengjie1, 2;  Zhang, Fangfang1, 2;  Yu, Shuchun1, 2;  Shao, Zhigang1;  Yi, Baolian1
关键词: ionic liquid ;  poly(benzimidazole) ;  polymer composite membrane ;  nonhumidified fuel cell
刊名: ACS APPLIED MATERIALS & INTERFACES
发表日期: 2014-03-12
DOI: 10.1021/am404645c
卷: 6, 期:5, 页:3195-3200
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Technology
类目[WOS]: Nanoscience & Nanotechnology ;  Materials Science, Multidisciplinary
研究领域[WOS]: Science & Technology - Other Topics ;  Materials Science
英文摘要: An ionic-liquid-doped poly(benzimidazole) (PBI) proton-conducting membrane for an anhydrous H-2/Cl-2 fuel cell has been proposed. Compared with other ionic liquids, such as imidazole-type ionic liquids, diethylmethylammonium trifluoromethanesulfonate ([dema][TfO]) showed better electrode reaction kinetics (H-2 oxidation and Cl-2 reduction reaction at platinum) and was more suitable for a H-2/Cl-2 fuel cell. PBI polymer and [dema][TfO] were compatible with each other, and the hybrid membranes exhibited high stability and good ionic conductivity, reaching 20.73 mS cm(-1) at 160 degrees C. We also analyzed the proton-transfer mechanism in this ionic-liquid-based membrane and considered that both proton-hopping and diffusion mechanisms existed. In addition, this composite electrolyte worked well in a H-2/Cl-2 fuel cell under non-water conditions. This work would give a good path to study the novel membranes for anhydrous H-2/Cl-2 fuel-cell application.
关键词[WOS]: ENERGY-STORAGE SYSTEM ;  COMPOSITE MEMBRANES ;  CONTAINING POLYBENZIMIDAZOLE ;  POLYMER ELECTROLYTES ;  EXCHANGE MEMBRANES ;  HYDROGEN ;  PERFORMANCE ;  REDUCTION ;  CATALYSIS ;  PLATINUM
语种: 英语
WOS记录号: WOS:000332922900020
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/145676
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.Univ Chinese Acad Sci, Beijing 100039, Peoples R China

Recommended Citation:
Liu, Sa,Zhou, Li,Wang, Pengjie,et al. Ionic-Liquid-Based Proton Conducting Membranes for Anhydrous H-2/Cl-2 Fuel-Cell Applications[J]. ACS APPLIED MATERIALS & INTERFACES,2014,6(5):3195-3200.
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