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High performance anion exchange ionomer for anion exchange membrane fuel cells
Gao, Xueqiang1,2; Yu, Hongmei1; Jia, Jia1,2; Hao, Jinkai1,2; Xie, Feng1,2; Chi, Jun1,2; Qin, Bowen1,2; Fu, Li1,2; Song, Wei1; Shao, Zhigang1
刊名RSC ADVANCES
2017
DOI10.1039/c7ra01980g
7页:19153-19161
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Multidisciplinary
研究领域[WOS]Chemistry
关键词[WOS]ALKALINE POLYMER ELECTROLYTE ; STABILITY ; CATALYST ; CONDUCTIVITY ; DURABILITY
英文摘要The anion exchange ionomer incorporated into the electrodes of an anion exchange membrane fuel cell (AEMFC) enhances anion transport in the catalyst layer of the electrode, and thus improves performance and durability of the AEMFC. In this work, a novel ionomer based on a triblock copolymer with high conductivity and good durability is synthesized successfully. The spectroscopy (such as H-1-NMR, FT-IR) results of the ionomer indicate that the functional group is grafted onto the poly(styrene-ethylene/ butylene-styrene) (SEBS) successfully and the OH(-)conductivity of the ionomer is 30 mS cm(-1) at 75(-)C. Besides, quaternary ammonium SEBS (QASEBS) is used as the ionomer in a H-2/O-2 AEMFC and exhibits a significant durability of 500 h at a constant current density of 100 mA cm(-2), moreover, the degradation rate of voltage is only 0.22 mV h(-1) during the 500 h durability test. In addition, the peak power density of the membrane electrode assembly (MEA) with the QASEBS ionomer reaches 375 mW cm (2) at 50 degrees C, which is 3 times than that of the MEA using the commercially available Acta I-2 ionomer (124 mW cm(-2)) for comparison.
语种英语
WOS记录号WOS:000399240400041
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/152321
专题中国科学院大连化学物理研究所
作者单位1.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 100039, Peoples R China
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GB/T 7714
Gao, Xueqiang,Yu, Hongmei,Jia, Jia,et al. High performance anion exchange ionomer for anion exchange membrane fuel cells[J]. RSC ADVANCES,2017,7:19153-19161.
APA Gao, Xueqiang.,Yu, Hongmei.,Jia, Jia.,Hao, Jinkai.,Xie, Feng.,...&Shao, Zhigang.(2017).High performance anion exchange ionomer for anion exchange membrane fuel cells.RSC ADVANCES,7,19153-19161.
MLA Gao, Xueqiang,et al."High performance anion exchange ionomer for anion exchange membrane fuel cells".RSC ADVANCES 7(2017):19153-19161.
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