Alkaline stable anion exchange membranes based on poly(phenylene-co-arylene ether ketone) backbones
Alkaline stable anion exchange membranes based on poly(phenylene-co-arylene ether ketone) backbones
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基于聚苯撑亚芳基醚酮骨架的碱性稳定阴离子交换膜
DOI：
10.1039/c6py01080f
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发表时间：
2016-09
影响因子：
4.6
通讯作者：
Wang Lianjun
中科院分区：
文献类型：
--
作者：
Qiu Xiang;Ueda Mitsuru;Fang Yi;Chen Shouwen;Hu Zhaoxia;Zhang Xuan;Wang Lianjun
为了提高基于常规聚（醚酮/砜）主链的阴离子交换膜（AEMs）的碱性稳定性，两种具有季铵（QA -）或咪唑鎓（IM -）基团的新型聚苯撑 - 共 - 亚芳基醚酮（PPAEK）离聚物
To improve the alkaline stability of anion exchange membranes (AEMs) based on conventional poly(ether ketone/sulfone) backbones, two novel poly(phenylene-co-arylene ether ketone) (PPAEK) ionomers with a quaternary ammonium (QA-) or imidazolium (IM-) group were prepared by zero-valent nickel-catalyzed coupling polymerization, benzylic bromination and in situ amination, successively. In particular, the cationic head-groups were incorporated as pendants into the polyphenylene moieties. Due to its higher water uptake and well-developed microphase separations, IM-PPAEK exhibited a better ion conduction ability than QA-PPAEK over the entire temperature range. However, QA-PPAEK displayed significantly higher alkaline stability in a 1 M NaOH aqueous solution at 80 °C, i.e., over 80% of its initial ion conductivity was still maintained after 1000 h of testing. The present work provides a promising new synthetic approach to obtain high performance AEMs based on chemically stable polyphenylene units.
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基于季铵化聚丙烯的高度稳定的阴离子交换膜
DOI：
10.1039/c5ta01420d
发表时间：
2015-06
期刊：
J. Mater. Chem. A
影响因子：
--
作者：
Min Zhang
通讯作者：
Min Zhang
影响因子：
8.6
作者：
Kreuer, Klaus-Dieter
通讯作者：
Kreuer, Klaus-Dieter
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影响因子：
9.2
作者：
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通讯作者：
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影响因子：
9.5
作者：
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Kim, Yu Seung
影响因子：
15
作者：
Li, Nanwen;Leng, Yongjun;Wang, Chao-Yang
通讯作者：
Wang, Chao-Yang