Highly ionic-conductive crosslinked cardo poly(arylene ether sulfone)s as anion exchange membranes for alkaline fuel cells
Highly ionic-conductive crosslinked cardo poly(arylene ether sulfone)s as anion exchange membranes for alkaline fuel cells
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作为碱性燃料电池阴离子交换膜的高离子导电交联卡多聚（亚芳基醚砜）
DOI：
10.1016/j.memsci.2015.05.023
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发表时间：
2015-10
影响因子：
9.5
通讯作者：
Liu Qing Lin
中科院分区：
文献类型：
--
作者：
Zhuo Yi Zhi;Lai Ao Nan;Zhang Qiu Gen;Zhu Ai Mei;Ye Mei Ling;Liu Qing Lin
阴离子交换膜燃料电池（aemfc）由于具有采用非贵金属催化剂和在碱性环境下更快的氧还原反应动力学的潜力，已成为最有前途的能量转换装置之一。本文以咪唑功能化交联聚芳醚砜为原料，制备了一系列用于aemfc的高离子电导率、低溶胀率的阴离子交换膜。合成了含叔胺的聚芳醚砜（PES-DA）和含溴甲基的聚芳醚砜（BPES）两种低聚物，并在- 40℃下混合。它们在室温下自发交联形成致密的阴离子交换膜（AEMs），其中PES-DA的叔胺基与BPES的溴甲基基快速反应形成交联键。这避免了使用交联剂和官能团的费用。所得膜在80℃时具有高达82.4 mS cm−1的高氢氧化物导电性，并且由于其交联的网络结构，其溶胀性低于传统的AEMs。在H2/ o2单体电池中实现了0.82 V的开路电压（OCV）和92.1 mW cm−2的最大功率密度。所制备的膜在aemfc中具有很大的应用潜力。
Anion exchange membrane fuel cells (AEMFCs) have become one of the most promising energy-conversion devices due to the potential of adopting non-noble metal catalysts and faster oxygen reduction reaction kinetics in an alkaline operating environment. Here, a series of anion exchange membranes with high ionic-conductivity and low swelling ratio were prepared from imidazolium-functionalized crosslinked cardo poly(arylene ether sulfone)s for AEMFCs. Two oligomers, tertiary amine-containing poly(arylene ether sulfone) (PES-DA) and bromomethyl-containing poly(arylene ether sulfone) (BPES), are synthesized and then mixed at −40 °C. They are spontaneously inter-crosslinked at room temperature to form dense anion exchange membranes (AEMs), in which the tertiary amine groups of PES-DA rapidly react with the bromomethyl groups of BPES to form the crosslinked bonds. This avoids the use of crosslinking agents and the expense of functional groups. The resulting membranes show a high hydroxide conductivity up to 82.4 mS cm−1at 80 °C and a slight swelling low to traditional AEMs due to its crosslinked network structure. An open circuit voltage (OCV) of 0.82 V and a maximum power density of 92.1 mW cm−2are achieved in a H2/O2single cell. The as-prepared membranes have a great potential for the application in AEMFCs.
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影响因子：
15
作者：
Robertson, Nicholas J.;Kostalik, Henry A.;Coates, Geoffrey W.
通讯作者：
Coates, Geoffrey W.
影响因子：
7.2
作者：
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影响因子：
9.5
作者：
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通讯作者：
Xu, Tongwen
影响因子：
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作者：
Xuemei Wu;Wanting Chen;Xiaoming Yan;G. He;Junjun Wang;Ying Zhang;Xiaoping Zhu
通讯作者：
Xuemei Wu;Wanting Chen;Xiaoming Yan;G. He;Junjun Wang;Ying Zhang;Xiaoping Zhu
影响因子：
11.9
作者：
Jasti, Amaranadh;Shahi, Vinod K.
通讯作者：
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