Tiezhu Guo received his Ph.D. from Xi’an Jiaotong University (2023, China) and is currently affiliated with Xi’an Jiaotong University. His research focuses primarily on supercapacitors, lithium–sulfur batteries, and lithium/sodium-ion battery electrode materials, specifically involving the synthesis and functional application of 2D MXene, nanomaterials, and conductive inks, as well as the use of advanced printing and coating techniques to enhance device performance and scalability.