Anion Exchange Membrane with Pendulous Piperidinium on Twisted All-Carbon Backbone for Fuel Cell

Zhang, Huaqing; Song, Wanjie; Sun, Lixuan; Yang, Cui; Zhang, Xin; Wu, Mingyue; Wu, Liang; Ge, Xiaolin; Xu, Tongwen

doi:10.3390/membranes14060121

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Open AccessArticle

Anion Exchange Membrane with Pendulous Piperidinium on Twisted All-Carbon Backbone for Fuel Cell

by

Huaqing Zhang

,

Wanjie Song

,

Lixuan Sun

,

Cui Yang

,

Xin Zhang

,

Mingyue Wu

,

Liang Wu

,

Xiaolin Ge

^* and

Tongwen Xu

^*

Key Laboratory of Precision and Intelligent Chemistry, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei 230026, China

^*

Authors to whom correspondence should be addressed.

Membranes 2024, 14(6), 121; https://doi.org/10.3390/membranes14060121

Submission received: 10 April 2024 / Accepted: 20 May 2024 / Published: 23 May 2024

(This article belongs to the Special Issue Ion-Exchange Membranes and Processes, Fourth Edition)

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Abstract

As a central component for anion exchange membrane fuel cells (AEMFCs), the anion exchange membrane is now facing the challenge of further improving its conductivity and alkali stability. Herein, a twisted all-carbon backbone is designed by introducing stereo-contorted units with piperidinium groups dangled at the twisted sites. The rigid and twisted backbone improves the conduction of hydroxide and brings down the squeezing effect of the backbone on piperidine rings. Accordingly, an anion exchange membrane prepared through this method exhibits adapted OH⁻ conductivity, low swelling ratio and excellent alkali stability, even in high alkali concentrations. Further, a fuel cell assembled with a such-prepared membrane can reach a power density of 904.2 mW/cm² and be capable of continuous operation for over 50 h. These results demonstrate that the designed membrane has good potential for applications in AEMFCs.

Keywords: anion exchange membrane; all-carbon backbone; twisted structure; free volume; fuel cell

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MDPI and ACS Style

Zhang, H.; Song, W.; Sun, L.; Yang, C.; Zhang, X.; Wu, M.; Wu, L.; Ge, X.; Xu, T. Anion Exchange Membrane with Pendulous Piperidinium on Twisted All-Carbon Backbone for Fuel Cell. Membranes 2024, 14, 121. https://doi.org/10.3390/membranes14060121

AMA Style

Zhang H, Song W, Sun L, Yang C, Zhang X, Wu M, Wu L, Ge X, Xu T. Anion Exchange Membrane with Pendulous Piperidinium on Twisted All-Carbon Backbone for Fuel Cell. Membranes. 2024; 14(6):121. https://doi.org/10.3390/membranes14060121

Chicago/Turabian Style

Zhang, Huaqing, Wanjie Song, Lixuan Sun, Cui Yang, Xin Zhang, Mingyue Wu, Liang Wu, Xiaolin Ge, and Tongwen Xu. 2024. "Anion Exchange Membrane with Pendulous Piperidinium on Twisted All-Carbon Backbone for Fuel Cell" Membranes 14, no. 6: 121. https://doi.org/10.3390/membranes14060121

Note that from the first issue of 2016, this journal uses article numbers instead of page numbers. See further details here.

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Anion Exchange Membrane with Pendulous Piperidinium on Twisted All-Carbon Backbone for Fuel Cell

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