A focus review on 3D printing of wearable energy storage devices

Three-dimensional (3D) printing has gained popularity in a variety of applications, particularly the manufacture wearable devices. Aided by large degree freedom customizable fabrication, 3D can cater towards practical requirements devices terms light weight and flexibility. In particular, this focus review aims to cover important aspect energy storage (WESDs), which is an essential component most Herein, topics discussed are fundamentals inks used, optimizing strategies improving mechanical electrochemical properties recent developments challenges systems such as batteries supercapacitors. It be expected that, with development technology, realization full potential WESDs seamless integration into smart also needs further in-depth investigations.