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Flexible electrodes for high-performance energy storage: materials, conductivity optimization, and scalable
Muhammad Shoaib Tahir1, Iqra Kainat1, Hammad Ghazanfar2,3
1Interface Lab., Department of Nanotechnology and Advanced Materials Engineering, Sejong University, Seoul, South Korea. ysseo@sejong.ac.kr.
Nanoscale
|July 23, 2025
Summary
This review explores flexible electrodes for advanced energy storage, focusing on material enhancements and scalable fabrication methods to meet the demands of wearable electronics.
Area of Science:
- Materials Science
- Electrochemistry
- Nanotechnology
Background:
- The rise of flexible electronics necessitates high-performance, resilient energy storage solutions.
- Flexible electrodes are crucial for integrating energy storage into portable and foldable devices.
- Current research focuses on improving electrical properties and mechanical stability of these electrodes.
Purpose of the Study:
- To systematically review recent advancements in flexible electrode design for energy storage.
- To analyze methods for enhancing electrical conductivity and mechanical resilience.
- To evaluate scalable fabrication techniques and identify future research directions.
Main Methods:
- Review of literature on conductive polymer coatings, chemical doping, and nanomaterial integration (graphene, CNTs, cellulose composites, metal nanowires).
- Evaluation of fabrication methods including vacuum filtration, in situ polymerization, printing, and carbonization.
- Analysis of electrode architecture, device performance, and mechanical properties.
Main Results:
- Advancements in conductive coatings, doping, and nanomaterials significantly improve electrode electrical properties.
- Scalable fabrication methods offer pathways for industrial production of flexible electrodes.
- Key challenges remain in mechanical durability, interfacial stability, and large-scale manufacturing.
Conclusions:
- Material design and fabrication strategies are critical for high-efficiency flexible energy storage.
- Addressing challenges in durability and scalability is essential for practical applications.
- This review provides a framework for developing next-generation flexible energy storage devices.
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