Investigation into the performance decay of proton-exchange membranes based on sulfonated heterocyclic poly(aryl ether ketone)s in Fenton's reagent

Liu, Qian; Zhang, Shouhai; Wang, Zhaoqi; Han, Jianhua; Song, Ce; Xu, Peiqi; Wang, Xu; Fu, Shaokui; Jian, Xigao

doi:10.1039/d1cp04531h

Cited by 9 publications

(1 citation statement)

References 60 publications

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“…Therefore, the development of high-performance HT-PEMs with high conductivity and good mechanical properties remains a key challenge. The various types of polymers have been applied to HT-PEMs materials, including poly(arylethersulfone), , poly(aryletherketone), − poly(phenyleneoxide), − poly(arylene piperidine), and poly(arylene pyridine) . Generally, the intrinsic proton conductivity of these polymers is too low to meet the requirements of PEMs.…”

Section: Introductionmentioning

confidence: 99%

Semi-Interpenetrating High-Temperature Proton Exchange Membranes Based on Cross-Linked Poly(fluorenyl-terphenyl-piperidinium) and Poly(vinylbenzyl chloride-co-vinylbenzyl chloride) for Fuel Cells

Han,

Chen,

Huang

et al. 2024

ACS Appl. Polym. Mater.

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Current proton exchange membranes (PEMs) for proton exchange membrane fuel cell (PEMFC) application exhibit performance deterioration at high temperatures, but the high-temperature operation of PEMFCs has many advantages. To prepare high-temperature PEMs (HT-PEMs) with high conductivity, good thermal stability, and mechanical properties, 1,6-dibromohexane is used as the crosslinking agent to construct a cross-linked network skeleton (cPFTP) based on poly(fluorenyl terphenyl piperidinium). A linear polymer poly(vinylbenzyl chlorideco-vinylbenzyl chloride) (PSVIm-VBC) containing sulfonated imidazole groups is synthesized and inserted into the cross-linked network to construct a series of HT-PEMs with a semi-interpenetrating polymer network (semi-IPN). Compared with the cross-linked cPFTP membrane, membranes with a semi-IPN structure promoted phosphoric acid (PA) doping. When the PSVIm-VBC content of the membrane accounted for 40% of the total polymer mass, the PA uptake of the PFTP/PSVIm-VBC-40% membrane was 171.7%. At 160 °C, the proton conductivity of the PFTP/PSVIm-VBC-40% membrane reached 174.93 mS cm −1 , which was 2.8 times that of cPFTP, and the PA retention rate was 84.21% after 72 h. All the fuel cells have a high open voltage (>0.8 V), which proves that the membranes we have prepared have excellent fuel separation ability. The fuel cell with a PFTP/PSVIm-VBC-40% membrane achieved a high power density of 487.61 mW cm −2 at 140 °C. The construction of this semi-IPN structure provides facile insights into the design of highperformance HT-PEMs.

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Section: Introductionmentioning

confidence: 99%

Semi-Interpenetrating High-Temperature Proton Exchange Membranes Based on Cross-Linked Poly(fluorenyl-terphenyl-piperidinium) and Poly(vinylbenzyl chloride-co-vinylbenzyl chloride) for Fuel Cells

Han,

Chen,

Huang

et al. 2024

ACS Appl. Polym. Mater.

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Dodging reality, striking the virtual: An undulating strategy for effectively enhancing CF/PEEK interfacial adhesion!

Wang,

Zhang,

Zhang

et al. 2024

Composites Science and Technology

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Preparation and performance of soluble N-heterocyclic poly(aryl ether ketone)s with enhanced thermal resistance

Liu

Zhang

Zhuo

et al. 2023

European Polymer Journal

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Investigation into the performance decay of proton-exchange membranes based on sulfonated heterocyclic poly(aryl ether ketone)s in Fenton's reagent

Abstract: Sulfonated N-heterocyclic poly(aryl ether)s proton exchange membranes have potential applications in the fuel-cell field for their favorable proton conduction capacity and stability. This paper investigates the changes in mass and...

Cited by 9 publications

References 60 publications

Semi-Interpenetrating High-Temperature Proton Exchange Membranes Based on Cross-Linked Poly(fluorenyl-terphenyl-piperidinium) and Poly(vinylbenzyl chloride-co-vinylbenzyl chloride) for Fuel Cells

Semi-Interpenetrating High-Temperature Proton Exchange Membranes Based on Cross-Linked Poly(fluorenyl-terphenyl-piperidinium) and Poly(vinylbenzyl chloride-co-vinylbenzyl chloride) for Fuel Cells

Dodging reality, striking the virtual: An undulating strategy for effectively enhancing CF/PEEK interfacial adhesion!

Preparation and performance of soluble N-heterocyclic poly(aryl ether ketone)s with enhanced thermal resistance

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