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Coupling Graphite with Lithium Terephthalate Organic Electrode in Solid Polymer Electrolytes
Kun Zhao1, Hao Wu1, Wenfang Feng1
1Key Laboratory of Material Chemistry for Energy Conversion and Storage (Ministry of Education), School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan, 430074, China.
Chemsuschem
|October 6, 2025
Summary
Organic electroactive materials (OEMs) like lithium terephthalate (LTPA) show promise for sustainable batteries. Blending LTPA with graphite anodes improves battery performance and stability in solid-state electrolytes.
Area of Science:
- Materials Science
- Electrochemistry
- Sustainable Energy
Background:
- Organic electroactive materials (OEMs) offer design flexibility and sustainability for next-generation batteries.
- Combining OEMs with solid electrolytes enhances battery safety and environmental impact.
Purpose of the Study:
- Investigate lithium terephthalate (LTPA) as a carbonyl-based OEM.
- Evaluate LTPA's synergy with graphite anodes and sulfonimide-based polymer electrolytes.
Main Methods:
- Systematic investigation of LTPA and graphite anode properties.
- Electrochemical performance testing in polyether-based electrolytes with bis(fluorosulfonyl)imide and bis(trifluoromethanesulfonyl)imide anions.
Main Results:
- LTPA exhibited poor conductivity in polymer electrolytes; graphite anodes faced parasitic reactions.
- Composite electrodes of graphite and LTPA showed improved Coulombic efficiency and capacity retention.
- Enhanced electrochemical utilization of graphite was observed in blended electrodes.
Conclusions:
- Synergy between OEMs and graphite in polymer electrolytes is key for solid-state battery design.
- This approach advances the development of more sustainable battery technologies.
