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Updated: May 20, 2025

Synthesis of Ionic Liquid Based Electrolytes, Assembly of Li-ion Batteries, and Measurements of Performance at High Temperature
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Electrical Energy Storage by Poly(ionic Liquids).

Jiahui Liu1, Tingwei Zhang1, Sourav Biswas1

  • 1Department of Materials Science and Engineering, Clemson University, Clemson, SC, 29634, USA.

Angewandte Chemie (International Ed. in English)
|March 27, 2025
PubMed
Summary
This summary is machine-generated.

Polymers with tunable van der Waals and ionic interactions store electrical energy by creating non-equilibrium states. These materials offer stable, long-term energy storage without complex assembly.

Keywords:
Electrical circuitsElectrical energy storageErgotropic non‐equilibrium gradient statesPoly(ionic liquids)Van der Waals and ionic interactions

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Area of Science:

  • Polymer Science
  • Materials Science
  • Electrochemistry

Background:

  • Van der Waals (vdW) and ionic interactions in polymers are key to advanced material functionalities.
  • Current energy storage solutions often require complex multilayered assemblies.
  • Understanding molecular-level mechanisms is crucial for developing novel energy storage materials.

Purpose of the Study:

  • To investigate the role of manipulating van der Waals and ionic interactions in polymers for energy storage.
  • To explore the formation of active or passive components for electrical circuits using these polymers.
  • To elucidate the molecular-level events governing energy storage in these materials.

Main Methods:

  • Electrically activating ion-pair containing polymers to induce non-equilibrium gradient states.
  • Analyzing concurrent ion pair polarization-depolarization gradients.
  • Observing conformational changes in polymer aliphatic tails.

Main Results:

  • Achieved stable electrical energy storage by manipulating ionic and vdW interactions.
  • Stabilized polarized anion-cation pairs, maintaining energy storage over extended periods.
  • Demonstrated that material properties depend on polarization conditions and ionic-vdW interactions.

Conclusions:

  • Polymers with controlled vdW and ionic interactions offer a novel pathway for efficient electrical energy storage.
  • These materials enable the creation of simple, transparent, and moldable energy storage devices.
  • The findings suggest applications in devices that overcome classical time intricacy limits.