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Updated: Jun 18, 2025
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Gyroid Nickel Nanostructures from Diblock Copolymer Supramolecules
Published on: April 28, 2014
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Double gyroid-structured electrolyte based on an azobenzene-containing monomer and its polymer
Dong Liu1, Shangming He2, Longfei Luo1
1Beijing National Laboratory for Molecular Sciences, Key Laboratory of Polymer Chemistry and Physics of Ministry of Education, Center for Soft Matter Science and Engineering, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China. zshen@pku.edu.
Soft Matter
|August 1, 2024
Summary
Researchers developed novel azobenzene-based electrolytes with self-assembled structures, achieving higher ionic conductivity than PEO-based materials. This new design strategy shows potential for advanced solid-state lithium-ion batteries.
Area of Science:
- Materials Science
- Electrochemistry
- Polymer Science
Background:
- The performance of ion conductors is significantly influenced by their self-assembled structures.
- Developing advanced electrolytes is crucial for next-generation energy storage devices like solid-state lithium-ion batteries.
Purpose of the Study:
- To create a new type of electrolyte using azobenzene-based liquid crystalline (LC) materials.
- To investigate the effect of doping on the self-assembled nanostructure and ionic conductivity.
Main Methods:
- Preparation of azobenzene-based liquid crystalline monomer and polymer.
- Doping with varying amounts of monomer and lithium salt (LiTFSI).
- Characterization of self-assembled nanostructures (lamellae to double gyroid) and ionic conductivity measurements.
Main Results:
- Successfully synthesized azobenzene-based electrolytes with tunable self-assembled nanostructures.
- Achieved a transition from lamellar to double gyroid structures by altering doping concentrations.
- Recorded ionic conductivity of 1.64 × 10-4 S cm-1 for the double gyroid structure, outperforming many PEO-based electrolytes.
Conclusions:
- Azobenzene-based liquid crystalline systems offer a novel approach for designing solid electrolytes.
- The ability to control self-assembled nanostructures is key to enhancing ionic conductivity.
- These electrolytes show promise for applications in solid-state lithium-ion batteries.
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