Amination modification of graphene oxide for the in-situ synthesis of sulfonated polyimide-based composite proton exchange membranes

Ling, Zhiwei; Wang, Bei; Liu, Qingting; Fu, Xudong; Zhang, Rong; Hu, Shengfei; Li, Xiao; Zhao, Feng; Bao, Xujin; Yang, Jun

doi:10.1016/j.eurpolymj.2024.113223

European Polymer Journal

2024

DOI: 10.1016/j.eurpolymj.2024.113223

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Amination modification of graphene oxide for the in-situ synthesis of sulfonated polyimide-based composite proton exchange membranes

Zhiwei Ling,

Bei Wang,

Qingting Liu

et al.

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Cited by 3 publications

References 19 publications

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Construction of Continuous Proton Transport Channels via Anchoring Strong Proton Conductor on Graphene Oxide in Sulfonated Poly (Ether Ether Ketone)

Lu,

Ai,

Yuan

et al. 2024

Journal of Polymer Science

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Constructing continuous proton transport channels in proton exchange membranes (PEMs) has been considered as an efficient strategy to improve proton conductivity. In this work, a water‐insoluble hybrid graphene oxide (HDGO) is prepared via the hydrothermal reaction between polydopamine‐coated graphene oxide (DGO) and a strong proton conductor phosphotungstic acid (HPW), in which HPW is chemically bonded onto DGO. The two‐dimensional structure of DGO and the strong acidity of HPW favor the rapid proton transport in the sulfonated poly(ether ether ketone) (SPEEK) membranes. As compared to that of the SPEEK control membrane, the proton conductivity of the SPEEK composite membrane containing 6 wt% HDGO increases from 0.035 to 0.061 S cm−1 at 25°C, an increase of ~75%. The composite membrane containing 10 wt% HDGO exhibits ~49% lower area swelling ratio than the SPEEK control membrane. Meanwhile, the proton conductivity of the composite membrane remains stable during the 1440 h immersing in liquid water.

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Construction of Continuous Proton Transport Channels via Anchoring Strong Proton Conductor on Graphene Oxide in Sulfonated Poly (Ether Ether Ketone)

Lu,

Ai,

Yuan

et al. 2024

Journal of Polymer Science

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In-situ strategies for melamine-functionalized graphene oxide nanosheets-based nanocomposite proton exchange membranes in wide-temperature range applications

Ling,

Wang,

Liu

et al. 2025

Journal of Colloid and Interface Science

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Study on the effect mechanism of functional graphene oxide on the performance of polymer electrolyte membrane for fuel cells

Feng,

Zhao,

et al. 2025

Journal of Membrane Science

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Amination modification of graphene oxide for the in-situ synthesis of sulfonated polyimide-based composite proton exchange membranes

Cited by 3 publications

References 19 publications

Construction of Continuous Proton Transport Channels via Anchoring Strong Proton Conductor on Graphene Oxide in Sulfonated Poly (Ether Ether Ketone)

Construction of Continuous Proton Transport Channels via Anchoring Strong Proton Conductor on Graphene Oxide in Sulfonated Poly (Ether Ether Ketone)

In-situ strategies for melamine-functionalized graphene oxide nanosheets-based nanocomposite proton exchange membranes in wide-temperature range applications

Study on the effect mechanism of functional graphene oxide on the performance of polymer electrolyte membrane for fuel cells

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