N,N-bis(sulfopropyl)aminyl-4-phenyl polysulfone and O,O′-bis(sulfopropyl)resorcinol-5-yl-4-phenyl polysulfone composite membrane for proton exchange membrane fuel cells

Pan, Ting; Yue, Baohua; Yan, Liuming; Zeng, Guangbo; Hu, Yunxia; He, Shufa; Lü, Wei; Zhao, Hongbin; Zhang, Jiujun

doi:10.1016/j.ijhydene.2020.06.172

Cited by 13 publications

(3 citation statements)

References 66 publications

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“…The water uptake (WU) and swelling ratio (SR) are evaluated by the changes in weight and in length, respectively, of the membrane before and after being soaked in deionized water for 24 h at preset temperatures as reported in our previous work [56] . The water uptake is calculated as,

true normalW normalU (() 100 %) = \frac{(w_{w e t} - w_{d r y})}{w_{d r y}} \times 100 %

…”

Section: Methodsmentioning

confidence: 99%

Synthesis and Characterization of Poly(5’‐hexyloxy‐1’,4‐biphenyl)‐b‐poly(2’,4’‐bispropoxysulfonate‐1’,4‐biphenyl) with High Ion Exchange Capacity for Proton Exchange Membrane Fuel Cell Applications

Jin

Yue

Yan

et al. 2022

Chemistry An Asian Journal

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Proton exchange membrane (PEM) is pivotal for proton exchange membrane fuel cells (PEMFCs). In the present work, a block copolymer with hydrophilic alkyl sulfonated side groups and hydrophobic flexible alkyl ether side groups, poly(5'-hexyloxy-1',4-biphenyl)-b-poly(2',4'-bispropoxysulfonate-1',4-biphenyl) (HBP-b-xBPSBP), is designed and synthesized by copolymerization of the hydrophilic and hydrophobic oligomers. The oligomers are synthesized via a Pd-catalyzed Suzuki cross-coupling of 1,3-dibromo-5-hexyloxybenzene, and 3,3'-[(4,6-dibromo-1,3phenylene)bis(oxy)]bis(propane-1-sulfonate) or 1,4-bis(4,4,5,5tetramethyl-1,3,2-dioxaborolan-2-yl)benzene. The good solubility and film-forming characteristics are achieved via the introduction of flexible hexyloxy side groups, and high ion exchange capacity (IEC) is achieved via the introduction of high density of alkyl sulfonated side groups. The HBP-b-0.5BPSBP has the highest IEC of 3.17 mmol/g, the highest proton conductivity of 43.5 mS/cm at 95 °C and 90% relative humidity (RH) and low methanol permeability of 6.45 × 10 À 7 cm 2 /s. Meanwhile, crosslinked HBP-b-xBPSBP exhibits promising water uptake, swelling ratio and low methanol permeability. These characteristics are attributed to the crosslinked structure and the hydrophilic/hydrophobic nanophase separation morphology promoted by the poly(mphenylene) main chains, flexible alkyl ether groups, and alkyl sulfonated side groups.

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true normalW normalU (() 100 %) = \frac{(w_{w e t} - w_{d r y})}{w_{d r y}} \times 100 %

…”

Section: Methodsmentioning

confidence: 99%

Synthesis and Characterization of Poly(5’‐hexyloxy‐1’,4‐biphenyl)‐b‐poly(2’,4’‐bispropoxysulfonate‐1’,4‐biphenyl) with High Ion Exchange Capacity for Proton Exchange Membrane Fuel Cell Applications

Jin

Yue

Yan

et al. 2022

Chemistry An Asian Journal

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“…Such a superficial performance was attributed by the establishment of extremely interconnected ion pathways encouraging an efficient Ghrotthus-type mechanism for the H + passage even in dehydrated environments. Ting Pan et al described novel composite membrane from functionalized PSU with high sulfonic acid groups, N,N-bis (sulfopropyl)aminyl-4-phenyl polysulfone (PSF-N-C 3 H 6 SO 3 H) and O,O'-bis(sulfopropyl)resorcinol-5-yl-4-phenyl polysulfone (PSF-O-C 3 H 6 SO 3 H) [72]. The above polymers prepared by grafting amino phenyl group and dimethoxy phenyl groups to the polymer backbone through bromination of PSU followed by Suzuki cross-coupling reaction, and the introduction of the sulfopropyl groups through sulfone ring-opening reaction.…”

Section: Membranes Derived From Polysulfone and Its Composites For Pe...mentioning

confidence: 99%

Recent Advancements in Polysulfone Based Membranes for Fuel Cell (PEMFCs, DMFCs and AMFCs) Applications: A Critical Review

et al. 2022

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In recent years, ion electrolyte membranes (IEMs) preparation and properties have attracted fabulous attention in fuel cell usages owing to its high ionic conductivity and chemical resistance. Currently, perfluorinatedsulfonicacid (PFSA) membrane has been widely employed in the membrane industry in polymer electrolyte membrane fuel cells (PEMFCs); however, NafionTM suffers reduced proton conductivity at a higher temperature, requiring noble metal catalyst (Pt, Ru, and Pt-Ru), and catalyst poisoning by CO. Non-fluorinated polymers are a promising substitute. Polysulfone (PSU) is an aromatic polymer with excellent characteristics that have attracted membrane scientists in recent years. The present review provides an up-to-date development of PSU based electrolyte membranes and its composites for PEMFCs, alkaline membrane fuel cells (AMFCs), and direct methanol fuel cells (DMFCs) application. Various fillers encapsulated in the PEM/AEM moiety are appraised according to their preliminary characteristics and their plausible outcome on PEMFC/DMFC/AMFC. The key issues associated with enhancing the ionic conductivity and chemical stability have been elucidated as well. Furthermore, this review addresses the current tasks, and forthcoming directions are briefly summarized of PEM/AEMs for PEMFCs, DMFCs, AMFCs.

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“…A specific hydrophilic/hydrophobic phase-separating structures are proposed and designed. Improvement of the properties of sulfonated aromatic polymer materials by branching long hydrophilic side chains with sulfonic acid groups at the end onto the polymer backbone, separating the sulfonic acid groups from the polymer backbone and reducing their influence on the polymer backbone [29][30][31][32][33][34]. At the same time, this kind of polymer material can not only reduce the cost but also keep the good chemical and thermal stability of aromatic polymers [35][36][37][38][39][40].…”

Section: Introductionmentioning

confidence: 99%

A simple strategy for synthesis of side-chain sulfonated poly(arylene ether ketone sulfone) constructing hydrophilic/ hydrophobic phase separation structure

Lei,

Meng,

Zhao

et al. 2024

J Polym Res

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N,N-bis(sulfopropyl)aminyl-4-phenyl polysulfone and O,O′-bis(sulfopropyl)resorcinol-5-yl-4-phenyl polysulfone composite membrane for proton exchange membrane fuel cells

Cited by 13 publications

References 66 publications

Synthesis and Characterization of Poly(5’‐hexyloxy‐1’,4‐biphenyl)‐b‐poly(2’,4’‐bispropoxysulfonate‐1’,4‐biphenyl) with High Ion Exchange Capacity for Proton Exchange Membrane Fuel Cell Applications

Synthesis and Characterization of Poly(5’‐hexyloxy‐1’,4‐biphenyl)‐b‐poly(2’,4’‐bispropoxysulfonate‐1’,4‐biphenyl) with High Ion Exchange Capacity for Proton Exchange Membrane Fuel Cell Applications

Recent Advancements in Polysulfone Based Membranes for Fuel Cell (PEMFCs, DMFCs and AMFCs) Applications: A Critical Review

A simple strategy for synthesis of side-chain sulfonated poly(arylene ether ketone sulfone) constructing hydrophilic/ hydrophobic phase separation structure

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