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February 10, 2026Advanced Functional Materials

Design of COF Crosslinker Within Polymeric Ionogels for Simultaneous Enhancement of Toughness and Ionic Conductivity

Zilu Luo Yuqiang Cheng Mingjie Li Yinan Dong Xingying Zhang Chaoxu Li Changgeng Shuai Lin He

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Key Points

To create soft ionic conductors that enhance mechanical toughness and ionic conductivity simultaneously.
Developed sulfonated covalent organic frameworks (COFs) as crosslinkers in ionogels.
Synthetized COFs in situ at low concentrations (0.005 wt.%).
Measured mechanical properties and ionic conductivity of the resulting ionogel.
Fracture stress increased from 4 MPa to 10 MPa.
Elongation at break rose from 1006% to 2460%.
Ionic conductivity improved from 0.037 S m−1 to 0.168 S m−1.
The ionogel shows potential as a durable pressure sensor for wearable and underwater applications.

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Implication

This research develops COF crosslinkers to improve toughness and ionic conductivity in ionogels, suggesting advancements in soft electronics.

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Cite This Study

Luo et al. (2026) studied this question.

synapsesocial.com/papers/698d6e5a5be6419ac0d53f3f https://doi.org/10.1002/adfm.202530871

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