Stretchable fabric-based LiCoO2, electrode for lithium ion batteries

Abstract There is a strong need for stretchable energy storage devices that can accommodate applications such as smart textiles, wearable sensors, flexible display devices, and biomedical implants. Here, we report the development and characterization of a stretchable fabric-based LiCoO2 electrode for lithium ion batteries. The performance of the fabric-based electrode is evaluated in a battery based on solid polymer nanocomposite electrolyte. The battery exhibits a capacity of 0.14 mAh cm − 2 and a good cycling stability over 100 charge/discharge cycles. The mechanical properties of the stretchable fabric-based electrode are also evaluated including the tensile strength and % elongation. The electrical conductivity of the silver fabric-based LiCoO2 electrode is found to be higher than that of the rigid Al foil-based LiCoO2 electrode, and it is observed to increase during stretching. The stretchable fabric-based LiCoO2 cathode is a viable and promising candidate for the eventual integration in stretchable smart textile applications.