A high-performance anion exchange membrane based on bi-guanidinium bridged polysilsesquioxane for alkaline fuel cell application

2012 ◽  
Vol 22 (17) ◽  
pp. 8203 ◽  
Author(s):  
Chao Qu ◽  
Huamin Zhang ◽  
Fengxiang Zhang ◽  
Bo Liu
Keyword(s):  
Fuel Cell ◽  
Anion Exchange ◽  
High Performance ◽  
Anion Exchange Membrane ◽  
Alkaline Fuel Cell ◽  
Fuel Cell Application ◽  
Bridged Polysilsesquioxane ◽  
Exchange Membrane

scholarly journals Hydroxide Conduction Enhancement of Chitosan Membranes by Functionalized MXene

Materials ◽  
2018 ◽  
Vol 11 (11) ◽  
pp. 2335 ◽  
Author(s):  
Lina Wang ◽  
Benbing Shi
Keyword(s):  
Thermal Stability ◽  
Fuel Cell ◽  
Anion Exchange ◽  
Anion Exchange Membrane ◽  
Alkaline Fuel Cell ◽  
Chitosan Matrix ◽  
Fuel Cell Application ◽  
Interfacial Compatibility ◽  
Chitosan Membranes ◽  
Exchange Membrane

In this study, imidazolium brushes tethered by –NH2-containing ligands were grafted onto the surface of a 2D material, MXene, using precipitation polymerization followed by quaternization. Functionalized MXene was embedded into chitosan matrix to prepare a hybrid alkaline anion exchange membrane. Due to high interfacial compatibility, functionalized MXene was homogeneously dispersed in chitosan matrix, generating continuous ion conduction channels and then greatly enhancing OH− conduction property (up to 172%). The ability and mechanism of OH− conduction in the membrane were elaborated based on systematic tests. The mechanical-thermal stability and swelling resistance of the membrane were evidently augmented. Therefore, it is a promising anion exchange membrane for alkaline fuel cell application.

scholarly journals Anion Exchange Membrane Based on Interpenetrating Polymer Network with Ultrahigh Ion Conductivity and Excellent Stability for Alkaline Fuel Cell

Research ◽  
2020 ◽  
Vol 2020 ◽  
pp. 1-11 ◽  
Author(s):  
Lingping Zeng ◽  
Qian He ◽  
Yunchuan Liao ◽  
Shangyi Kuang ◽  
Jianchuan Wang ◽  
...  
Keyword(s):  
Fuel Cell ◽  
Ion Channel ◽  
Anion Exchange ◽  
High Performance ◽  
Polymer Network ◽  
Anion Exchange Membrane ◽  
Interpenetrating Polymer Network ◽  
Alkaline Fuel Cell ◽  
Channel Network ◽  
Exchange Membrane

A high-performance anion exchange membrane (AEM) is critical for the development of alkaline fuel cell. In this work, AEMs with an interpenetrating polymer network (IPN) are synthesized. An electron microscope clearly reveals a highly efficient “ion channel” network, which is constructed with a small amount of cation exchange groups. This specially designed ion channel leads to extraordinary hydroxide conductivity (e.g., 257.8 mS cm-1 at 80 °C) of IPN AEMs at moderate ion exchange capacity (IEC=1.75 mmol g−1), as well as excellent long-term alkaline stability at harsh condition which showed that 81% of original conductivity can be retained after a long time for 1248 hours. Moreover, a remarkable peak power density of 1.20 W cm-2 (0.1 MPa backpressure) with nonprecious metal (FeNx-CNTs) as oxygen reduction reaction (ORR) catalyst in a fuel cell test was achieved. This work offers a general strategy to prepare high-performance AEMs based on IPN structure design.

Recyclable cross-linked anion exchange membrane for alkaline fuel cell application

2018 ◽  
Vol 375 ◽  
pp. 404-411 ◽  
Author(s):  
Jianqiu Hou ◽  
Yazhi Liu ◽  
Qianqian Ge ◽  
Zhengjin Yang ◽  
Liang Wu ◽  
...  
Keyword(s):  
Fuel Cell ◽  
Anion Exchange ◽  
Anion Exchange Membrane ◽  
Alkaline Fuel Cell ◽  
Fuel Cell Application ◽  
Exchange Membrane

scholarly journals High performance anion exchange ionomer for anion exchange membrane fuel cells

RSC Advances ◽  
2017 ◽  
Vol 7 (31) ◽  
pp. 19153-19161 ◽  
Author(s):  
Xueqiang Gao ◽  
Hongmei Yu ◽  
Jia Jia ◽  
Jinkai Hao ◽  
Feng Xie ◽  
...  
Keyword(s):  
Fuel Cells ◽  
Fuel Cell ◽  
Anion Exchange ◽  
High Performance ◽  
Catalyst Layer ◽  
Anion Transport ◽  
Anion Exchange Membrane ◽  
Exchange Membrane

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.

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