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Polybenzimidazole-crosslinked poly(vinylbenzyl chloride) with quaternary 1,4-diazabicyclo (2.2.2) octane groups as high-performance anion exchange membrane for fuel cells
Lu, Wangting1,2; Zhang, Geng2,3; Li, Jin2; Hao, Jinkai2,4; Wei, Feng1; Li, Wenhui1; Zhang, Jiying1; Shao, Zhi-Gang2; Yi, Baolian2
关键词Anion Exchange Membrane Fuel Cell Crosslinked Membrane Polybenzimidazole Stability 1 4-diazabicyclo (2.2.2) Octane
刊名JOURNAL OF POWER SOURCES
2015-11-20
DOI10.1016/j.jpowsour.2015.07.048
296页:204-214
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Electrochemistry ; Energy & Fuels
研究领域[WOS]Electrochemistry ; Energy & Fuels
关键词[WOS]ALKALINE POLYMER ELECTROLYTES ; COMPOSITE MEMBRANE ; FACILE ROUTE ; STABILITY ; DURABILITY ; AMMONIUM ; LINKING ; GREEN
英文摘要Development of anion exchange membrane (AEM) with high conductivity, good dimensional stability, desirable toughness and long life-time simultaneously is still a challenge for the practical application of AEM fuel cells. Herein, a novel AEM (denoted as PBI-c-PVBC/OH) is fabricated by applying polybenzimidazole (PB)) and 1,4-diazabicyclo (2.2.2) octane (DABCO) as the macromolecular crosslinker and quaternizing reagent for poly(vinylbenzyl chloride) (PVBC), respectively. With the aid of crosslinking by FBI, PBI-c-PVBC/OH exhibits good flexibility and strength both in dry and water-saturated state. Moreover, high hydroxide conductivity (>25 mS cm(-1) at room temperature) and low swelling ratio (similar to 13%) is obtained, especially the swelling ratio nearly does not increase with temperature. The membrane is also advanced for the superior chemical stability in alkaline environment due to the stable polymer backbone and ionic conductive group (only one nitrogen atom in a DABCO molecule is quaternized). Furthermore, a peak power density of 230 mW cm(-2) at 50 degrees C is obtained on the H-2/O-2 fuel cell using PBI-c-PVBC/OH, and the membrane presents high durability both in the constant current and continuous open circuit voltage testing. Therefore, it is considered that the PBI crosslinking together with DABCO quaternization can be regarded as a promising strategy in the development of AEM for fuel cells. (C) 2015 Elsevier B.V. All rights reserved.
语种英语
WOS记录号WOS:000360776500026
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/146521
专题中国科学院大连化学物理研究所
作者单位1.Jianghan Univ, Inst Interdisciplinary Res, Wuhan 430056, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Fuel Cell Syst & Engn Res Grp, Dalian 116023, Peoples R China
3.Huazhong Agr Univ, Dept Chem, Coll Sci, Wuhan 430070, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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GB/T 7714
Lu, Wangting,Zhang, Geng,Li, Jin,et al. Polybenzimidazole-crosslinked poly(vinylbenzyl chloride) with quaternary 1,4-diazabicyclo (2.2.2) octane groups as high-performance anion exchange membrane for fuel cells[J]. JOURNAL OF POWER SOURCES,2015,296:204-214.
APA Lu, Wangting.,Zhang, Geng.,Li, Jin.,Hao, Jinkai.,Wei, Feng.,...&Yi, Baolian.(2015).Polybenzimidazole-crosslinked poly(vinylbenzyl chloride) with quaternary 1,4-diazabicyclo (2.2.2) octane groups as high-performance anion exchange membrane for fuel cells.JOURNAL OF POWER SOURCES,296,204-214.
MLA Lu, Wangting,et al."Polybenzimidazole-crosslinked poly(vinylbenzyl chloride) with quaternary 1,4-diazabicyclo (2.2.2) octane groups as high-performance anion exchange membrane for fuel cells".JOURNAL OF POWER SOURCES 296(2015):204-214.
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