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Related Concept Videos

Ion Exchange01:17

Ion Exchange

750
Ion exchange chromatography separates charged molecules from a solution by reversibly exchanging them with mobile, or 'active', ions associated with the oppositely charged stationary phase. This method can be used to separate ions, soften and deionize water, and purify solutions. The polymers comprising the ion-exchange column are high-molecular-weight and chemically stable polymers, crosslinked to be porous and essentially insoluble. They are also functionalized with either acidic or...
750

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Related Experiment Video

Updated: Nov 1, 2025

Fabrication Process of Silicone-based Dielectric Elastomer Actuators
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Dynamically Crosslinked Dry Ion-Conducting Elastomers for Soft Iontronics.

Panpan Zhang1, Wenbin Guo1,2, Zi Hao Guo1,2

  • 1CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-Nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing, 101400, China.

Advanced Materials (Deerfield Beach, Fla.)
|June 21, 2021
PubMed
Summary

Researchers developed a novel dry ion-conducting elastomer that is self-healing, stretchable, and transparent. This material overcomes limitations of current gel-based conductors, enabling stable, multifunctional soft iontronic devices.

Keywords:
electroluminescent devicesion-conducting elastomersiontronicsself-healingtriboelectric nanogenerators

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Area of Science:

  • Materials Science
  • Polymer Chemistry
  • Nanoscience

Background:

  • Soft ionic conductors are crucial for advanced iontronic devices.
  • Existing gel-based ionic conductors face challenges like liquid leakage and evaporation.
  • There is a need for stable, dry, and multifunctional ionic conductive materials.

Purpose of the Study:

  • To develop a novel dry ion-conducting elastomer with enhanced properties.
  • To investigate the potential of dynamic crosslinking structures in ionic conductors.
  • To demonstrate the application of the developed material in soft iontronic devices.

Main Methods:

  • Synthesis of a dry ion-conducting elastomer utilizing dynamic crosslinking.
  • Characterization of ionic conductivity, self-healing efficiency, stretchability, and transparency.
  • Fabrication and testing of soft iontronic devices, including electroluminescent devices and triboelectric nanogenerator tactile sensors.

Main Results:

  • The dry ion-conducting elastomer exhibits high ionic conductivity (2.04 × 10-4 S cm-1), 96% self-healing efficiency, 563% stretchability, and 78% transparency.
  • Fabricated iontronic devices demonstrated self-healing and stretchable capabilities.
  • The dry nature of the elastomer resulted in a wide operational temperature range and excellent device stability.

Conclusions:

  • A highly conductive, self-healing, stretchable, and transparent dry ionic conductor was successfully developed.
  • The dynamic crosslinking strategy is effective for creating multifunctional soft ionic materials.
  • The developed material shows significant potential for advanced soft iontronic and electronic applications.