Investigating the suitability of poly tetraarylphosphonium based anion exchange membranes for electrochemical applications

Abstract Anion exchange membranes (AEMs) are becoming increasingly common in electrochemical energy conversion and storage systems around the world (EES). Proton-/cation-exchange membranes (which conduct positive charged ions such as H+ or Na+) have historically been used in many devices such as fue...

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Autores principales:	Muthumeenal Arunachalam, Alessandro Sinopoli, Farida Aidoudi, Stephen E. Creager, Rhett Smith, Belabbes Merzougui, Brahim Aïssa
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/a98b0154bd3d47ad9a4e728bacdc587a
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spelling	oai:doaj.org-article:a98b0154bd3d47ad9a4e728bacdc587a2021-12-02T15:23:08ZInvestigating the suitability of poly tetraarylphosphonium based anion exchange membranes for electrochemical applications10.1038/s41598-021-93273-x2045-2322https://doaj.org/article/a98b0154bd3d47ad9a4e728bacdc587a2021-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-93273-xhttps://doaj.org/toc/2045-2322Abstract Anion exchange membranes (AEMs) are becoming increasingly common in electrochemical energy conversion and storage systems around the world (EES). Proton-/cation-exchange membranes (which conduct positive charged ions such as H+ or Na+) have historically been used in many devices such as fuel cells, electrolysers, and redox flow batteries. High capital costs and the use of noble metal catalysts are two of the current major disadvantages of polymer electrolyte membrane (PEM)-based systems. AEMs may be able to overcome the limitations of conventional PEMs. As a result, polymers with anion exchange properties have recently attracted a lot of attention due to their significant benefits in terms of transitioning from a highly acidic to an alkaline environment, high kinetics for oxygen reduction and fuel oxidation in an alkaline environment, and lower cost due to the use of non-precious metals. The aim of this research was to learn more about the development of a new AEM based on poly tetraarylphosphonium ionomers (pTAP), which has high ionic conductivity, alkaline stability, thermal stability, and good mechanical properties, making it a more cost-effective and stable alternative to conventional and commercial AEMs. A simple solution casting method was used to build novel anion exchange composite membranes with controlled thicknesses using the synthesized pTAP with polysulfone (PS). To ensure their suitability for use as an electrolyte in alkaline electrochemical systems, the composite membranes were characterized using FTIR, XRD, water uptake, ionic conductivity, and alkaline stability. At 40 °C, the PS/pTAP 40/60 percent membrane had a maximum ionic conductivity of 4.2 mS/cm. The thermal and mechanical stability of the composite membranes were also examined, with no substantial weight loss observed up to 150 °C. These findings pave the way for these membranes to be used in a wide variety of electrochemical applications.Muthumeenal ArunachalamAlessandro SinopoliFarida AidoudiStephen E. CreagerRhett SmithBelabbes MerzouguiBrahim AïssaNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-12 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Muthumeenal Arunachalam Alessandro Sinopoli Farida Aidoudi Stephen E. Creager Rhett Smith Belabbes Merzougui Brahim Aïssa Investigating the suitability of poly tetraarylphosphonium based anion exchange membranes for electrochemical applications
description	Abstract Anion exchange membranes (AEMs) are becoming increasingly common in electrochemical energy conversion and storage systems around the world (EES). Proton-/cation-exchange membranes (which conduct positive charged ions such as H+ or Na+) have historically been used in many devices such as fuel cells, electrolysers, and redox flow batteries. High capital costs and the use of noble metal catalysts are two of the current major disadvantages of polymer electrolyte membrane (PEM)-based systems. AEMs may be able to overcome the limitations of conventional PEMs. As a result, polymers with anion exchange properties have recently attracted a lot of attention due to their significant benefits in terms of transitioning from a highly acidic to an alkaline environment, high kinetics for oxygen reduction and fuel oxidation in an alkaline environment, and lower cost due to the use of non-precious metals. The aim of this research was to learn more about the development of a new AEM based on poly tetraarylphosphonium ionomers (pTAP), which has high ionic conductivity, alkaline stability, thermal stability, and good mechanical properties, making it a more cost-effective and stable alternative to conventional and commercial AEMs. A simple solution casting method was used to build novel anion exchange composite membranes with controlled thicknesses using the synthesized pTAP with polysulfone (PS). To ensure their suitability for use as an electrolyte in alkaline electrochemical systems, the composite membranes were characterized using FTIR, XRD, water uptake, ionic conductivity, and alkaline stability. At 40 °C, the PS/pTAP 40/60 percent membrane had a maximum ionic conductivity of 4.2 mS/cm. The thermal and mechanical stability of the composite membranes were also examined, with no substantial weight loss observed up to 150 °C. These findings pave the way for these membranes to be used in a wide variety of electrochemical applications.
format	article
author	Muthumeenal Arunachalam Alessandro Sinopoli Farida Aidoudi Stephen E. Creager Rhett Smith Belabbes Merzougui Brahim Aïssa
author_facet	Muthumeenal Arunachalam Alessandro Sinopoli Farida Aidoudi Stephen E. Creager Rhett Smith Belabbes Merzougui Brahim Aïssa
author_sort	Muthumeenal Arunachalam
title	Investigating the suitability of poly tetraarylphosphonium based anion exchange membranes for electrochemical applications
title_short	Investigating the suitability of poly tetraarylphosphonium based anion exchange membranes for electrochemical applications
title_full	Investigating the suitability of poly tetraarylphosphonium based anion exchange membranes for electrochemical applications
title_fullStr	Investigating the suitability of poly tetraarylphosphonium based anion exchange membranes for electrochemical applications
title_full_unstemmed	Investigating the suitability of poly tetraarylphosphonium based anion exchange membranes for electrochemical applications
title_sort	investigating the suitability of poly tetraarylphosphonium based anion exchange membranes for electrochemical applications
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/a98b0154bd3d47ad9a4e728bacdc587a
work_keys_str_mv	AT muthumeenalarunachalam investigatingthesuitabilityofpolytetraarylphosphoniumbasedanionexchangemembranesforelectrochemicalapplications AT alessandrosinopoli investigatingthesuitabilityofpolytetraarylphosphoniumbasedanionexchangemembranesforelectrochemicalapplications AT faridaaidoudi investigatingthesuitabilityofpolytetraarylphosphoniumbasedanionexchangemembranesforelectrochemicalapplications AT stephenecreager investigatingthesuitabilityofpolytetraarylphosphoniumbasedanionexchangemembranesforelectrochemicalapplications AT rhettsmith investigatingthesuitabilityofpolytetraarylphosphoniumbasedanionexchangemembranesforelectrochemicalapplications AT belabbesmerzougui investigatingthesuitabilityofpolytetraarylphosphoniumbasedanionexchangemembranesforelectrochemicalapplications AT brahimaissa investigatingthesuitabilityofpolytetraarylphosphoniumbasedanionexchangemembranesforelectrochemicalapplications
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Investigating the suitability of poly tetraarylphosphonium based anion exchange membranes for electrochemical applications

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