Long-term durable anion exchange membranes based on imidazole-functionalized poly(ether ether ketone) incorporating cationic metal−organic framework

Jiahui Ren; Jingmei Xu; Mengchi Ju; Xuan Chen; Pengyun Zhao; Lingxin Meng; Jinxuan Lei; Zhe Wang

Advanced Powder Materials (Apr 2022)

Long-term durable anion exchange membranes based on imidazole-functionalized poly(ether ether ketone) incorporating cationic metal−organic framework

Jiahui Ren,
Jingmei Xu,
Mengchi Ju,
Xuan Chen,
Pengyun Zhao,
Lingxin Meng,
Jinxuan Lei,
Zhe Wang

Affiliations

Jiahui Ren: School of Chemical Engineering, Changchun University of Technology, Changchun 130012, China; Advanced Institute of Materials Science, Changchun University of Technology, Changchun 130012, China
Jingmei Xu: School of Chemical Engineering, Changchun University of Technology, Changchun 130012, China; Advanced Institute of Materials Science, Changchun University of Technology, Changchun 130012, China; Corresponding author. Advanced Institute of Materials Science, Changchun University of Technology, Changchun, 130012, PR China.
Mengchi Ju: School of Chemical Engineering, Changchun University of Technology, Changchun 130012, China
Xuan Chen: School of Chemical Engineering, Changchun University of Technology, Changchun 130012, China; Advanced Institute of Materials Science, Changchun University of Technology, Changchun 130012, China
Pengyun Zhao: School of Chemical Engineering, Changchun University of Technology, Changchun 130012, China
Lingxin Meng: School of Chemical Engineering, Changchun University of Technology, Changchun 130012, China
Jinxuan Lei: School of Chemical Engineering, Changchun University of Technology, Changchun 130012, China
Zhe Wang: School of Chemical Engineering, Changchun University of Technology, Changchun 130012, China; Advanced Institute of Materials Science, Changchun University of Technology, Changchun 130012, China; Corresponding author. Advanced Institute of Materials Science, Changchun University of Technology, Changchun, 130012, PR China

Journal volume & issue: Vol. 1, no. 2
p. 100017

Abstract

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In this work, poly(ether ether ketone) (PEEK) was synthesized by direct polycondensation reaction. Subsequently, PEEK was functionalized by 1-vinylimidazole to prepare the polymer matrix (Im-PEEK). Cationic UiO-66-NH2 metal-organic frameworks (C-MOF) were synthesized as fillers. The structure of the C-MOF and the morphology of the membranes were verified by Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD) and field emission scanning electron microscopy (FE-SEM). The prepared hybrid membranes exhibited excellent alkali stability, among which Im-PEEK/C-MOF-1% could retain 89.2% of the conductivity compared to the original membrane after immersing in 1 mol L−1 NaOH solution for 320 h at 60 °C. In addition, the ionic conductivity of Im-PEEK/C-MOF-1% was 73 mS cm−1 at 80 °C, which was higher than that of pure Im-PEEK under the same condition (44.3 mS cm−1 at 80 °C). The results showed that the hybrid membranes have great potential for application in the field of anion exchange membranes.

Published in Advanced Powder Materials

ISSN: 2772-834X (Online)
Publisher: KeAi Communications Co. Ltd.
Country of publisher: China
LCC subjects: Technology: Mining engineering. Metallurgy
Website: https://www.keaipublishing.com/en/journals/advanced-powder-materials/

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