Highly proton-conductive and low swelling polymeric membranes achieved by hydrophilic covalent cross-linking

Cui, Chengzhi; Sun, Peng; Wang, Yan; Ding, Hui; Qu, Zhuowei; Zhang, Bo; Tian, Yidan; Li, Zhongfang

doi:10.1016/j.jcis.2024.06.047

Journal of Colloid and Interface Science

2024

DOI: 10.1016/j.jcis.2024.06.047

|View full text |Cite

Highly proton-conductive and low swelling polymeric membranes achieved by hydrophilic covalent cross-linking

Chengzhi Cui,

Peng Sun,

Yan Wang

et al.

Help me understand this report

Search citation statements

Order By: Relevance

Paper Sections

Select...

Citation Types

Supporting

Mentioning

Contrasting

Year Published

2024

Publication Types

Select...

Article1

Relationship

Self Cite0

Independent1

Authors

Journals

Cited by 1 publication

References 46 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

Porous Aromatic Framework with Imidazole Group-Reinforced High-Temperature Proton Exchange Membrane with Promoted Proton Transport Efficiency and Power Density

Zong,

Wang,

et al. 2024

ACS Sustainable Chem. Eng.

View full text Add to dashboard Cite

The plasticizing effect leading to a marked deterioration in mechanical properties and a substantial leakage of phosphoric acid (PA), which occurs at a high PA-doping level, is a critical challenge for polybenzimidazole (PBI) high-temperature proton exchange membranes (HT-PEMs) doped with PA (PA− PBI). The plasticizing effect leading to a marked deterioration in mechanical properties and a substantial leakage of PA, which occurs at a high PA-doping level, is a critical challenge for PA−PBI membranes. In this study, novel porous aromatic frameworks framed with imidazole groups were synthesized, which can afford extra proton transport sites and develop a perfect hydrogen bonding network with PA. The obtained HT-PEM-doped poly[4,4′-(diphenyl ether)-5,5′-bibenzimidazole] (OPBI) with 10% PAF-226-PA exhibited a tensile strength of 116.5 MPa, a proton conductivity of 0.17 S cm −1 at 200 °C, and a peak power density of 641.57 mW cm −2 with a catalyst Pt/C loading of merely 0.3 mg cm −2 , demonstrating good potential for application in HT-PEM fuel cells. The formed hydrogen bond network enhanced proton mobility and helped retain the PA, mitigating the PA loss, enhancing the interfacial interaction between PAF-226-PA and OPBI, and thus improving the electrochemical and mechanical performance of HT-PEMs for high-performance, high-temperature fuel cells.

show abstract

Porous Aromatic Framework with Imidazole Group-Reinforced High-Temperature Proton Exchange Membrane with Promoted Proton Transport Efficiency and Power Density

Zong,

Wang,

et al. 2024

ACS Sustainable Chem. Eng.

View full text Add to dashboard Cite

show abstract

scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.

Contact Info

hi@scite.ai

10624 S. Eastern Ave., Ste. A-614

Henderson, NV 89052, USA

Blog Terms and Conditions API Terms Privacy Policy Contact Cookie Preferences Do Not Sell or Share My Personal Information

Made with 💙 for researchers

Part of the Research Solutions Family.

Highly proton-conductive and low swelling polymeric membranes achieved by hydrophilic covalent cross-linking

Cited by 1 publication

References 46 publications

Porous Aromatic Framework with Imidazole Group-Reinforced High-Temperature Proton Exchange Membrane with Promoted Proton Transport Efficiency and Power Density

Porous Aromatic Framework with Imidazole Group-Reinforced High-Temperature Proton Exchange Membrane with Promoted Proton Transport Efficiency and Power Density

Contact Info

Product

Resources

About