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题名: High performance anion exchange ionomer for anion exchange membrane fuel cells
作者: 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
发表日期: 2017
DOI: 10.1039/c7ra01980g
卷: 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
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.
关键词[WOS]: ALKALINE POLYMER ELECTROLYTE ;  STABILITY ;  CATALYST ;  CONDUCTIVITY ;  DURABILITY
语种: 英语
WOS记录号: WOS:000399240400041
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/152321
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, 457 Zhongshan Rd, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China

Recommended Citation:
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.
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