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Crosslinked high-performance anion exchange membranes based on poly (styrene-b-(ethylene-co-butylene)-b-styrene)
Hao, Jinkai1,2; Gao, Xueqiang1,2; Jiang, Yongyi1,2; Zhang, Hongjie1,2; Luo, Jiangshui3; Shao, Zhigang1; Yi, Baolian1
KeywordAnion Exchange Membrane Fuel Cell Sebs Microphase Separation Crosslinked Membrane Alkaline Stability
Source PublicationJOURNAL OF MEMBRANE SCIENCE
2018-04-01
ISSN0376-7388
DOI10.1016/j.memsci.2018.01.033
Volume551Pages:66-75
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Technology ; Physical Sciences
WOS SubjectEngineering, Chemical ; Polymer Science
WOS Research AreaEngineering ; Polymer Science
WOS KeywordALKALINE FUEL-CELLS ; POLY(VINYLBENZYL CHLORIDE) ; BACKBONE DEGRADATION ; ETHER KETONE) ; STABILITY ; CATION ; ELECTROLYTES ; TRANSPORT ; STRATEGY
AbstractDevelopment of anion exchange membranes with good dimension, chemical stability, high conductivity and long life-time simultaneously is still a challenge for practical application of anion exchange membrane fuel cells. Herein, a mechanically and chemically stable poly(styrene-b-(ethylene-co-butylene)-b-styrene) triblock copolymer based crosslinked membranes are designed, prepared and characterized. N, N, N', N'-tetramethyl-1,6-hexanediamine is introduced into the membranes as the crosslinker and functional reagent, which exhibits the significant improvement in water uptake (less than 7%), swelling ratio (8-5%, greatly smaller than uncrosslinked membranes) and tensile strength (higher than 18 MPa). The hydroxide conductivity (14.9 mS cm(-1) at 30 degrees C) of the obtained membrane is obtained due to hydrophilic/hydrophobic microphase separation formed between the structure of crosslinking and quaternary ammonium groups. It demonstrates that incorporating stable crosslinking structure to polymer backbone greatly improves the chemical stability under Fenton and alkaline long-term tests. Furthermore, the peak power density of an H-2/O-2 single fuel cells reaches high peak power density of 416 mW cm(-2) at 0.514 V. Based on these outstanding properties, the developed crosslinked membranes will be a promising candidate material for anion exchange membrane fuel cells.
Language英语
WOS IDWOS:000426032100007
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:24[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/168857
Collection中国科学院大连化学物理研究所
Corresponding AuthorShao, Zhigang
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, Fuel Cell Syst & Engn Lab, 457 Zhongshan Rd, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Katholieke Univ Leuven, Dept Mat Engn, B-3001 Leuven, Belgium
Recommended Citation
GB/T 7714
Hao, Jinkai,Gao, Xueqiang,Jiang, Yongyi,et al. Crosslinked high-performance anion exchange membranes based on poly (styrene-b-(ethylene-co-butylene)-b-styrene)[J]. JOURNAL OF MEMBRANE SCIENCE,2018,551:66-75.
APA Hao, Jinkai.,Gao, Xueqiang.,Jiang, Yongyi.,Zhang, Hongjie.,Luo, Jiangshui.,...&Yi, Baolian.(2018).Crosslinked high-performance anion exchange membranes based on poly (styrene-b-(ethylene-co-butylene)-b-styrene).JOURNAL OF MEMBRANE SCIENCE,551,66-75.
MLA Hao, Jinkai,et al."Crosslinked high-performance anion exchange membranes based on poly (styrene-b-(ethylene-co-butylene)-b-styrene)".JOURNAL OF MEMBRANE SCIENCE 551(2018):66-75.
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