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3D-Printed Silicone Substrates as Highly Deformable Electrodes for Stretchable Li-Ion Batteries
Sekar Praveen1, Taehyung Kim1, Soon Phil Jung1
1Department of Chemical Engineering (Integrated Engineering), College of Engineering, Kyung Hee University, 1732 Deogyeong-daero, Giheung, Yongin, Gyeonggi, 17104, South Korea.
Small (Weinheim an Der Bergstrasse, Germany)
|November 21, 2022
Summary
Researchers developed 3D-printed stretchable electrodes for lithium-ion batteries (LIBs). This innovation enables durable, high-performance wearable electronics by creating robust, deformable battery components.
Area of Science:
- Materials Science
- Electrochemistry
- Energy Storage
Background:
- Wearable electronics require advanced energy storage solutions capable of withstanding mechanical stress.
- Developing cost-effective and scalable methods for fabricating stretchable electrodes is critical for device longevity and performance.
Purpose of the Study:
- To report a novel method for fabricating highly deformable electrode substrates using 3D-printing technology.
- To demonstrate the electrochemical performance and mechanical stability of 3D-printed stretchable electrodes in lithium-ion batteries (LIBs).
Main Methods:
- Utilizing a 3D-printable ink composed of sacrificial sugar particles and polydimethylsiloxane (PDMS) resin.
- Creating porous electrode substrates by thermally curing the printed structures and subsequently leaching the sugar particles.
- Integrating the porous, stretchable substrates as electrodes in LIBs and evaluating their performance.
Main Results:
- Successfully fabricated porous, stretchable electrode substrates via 3D printing and sugar leaching.
- Achieved electrochemical performance comparable to conventional electrodes in LIBs.
- Demonstrated stable performance under repeated mechanical stretching and releasing cycles.
Conclusions:
- 3D printing offers a feasible and economic route for producing stretchable electrodes for LIBs.
- The developed stretchable electrodes exhibit promising electrochemical stability and mechanical durability for next-generation wearable electronics.
