Developing superior electrode improves the performance of energy storage systems including supercapacitors and batteries. Our studies show that the combination of microwave-assisted method with ultrasonic waves to create better hybrid nanomaterials for supercapacitors. The microwave-assisted method heats materials more evenly and quickly to make nanostructures grow steadily which results in better crystallization. Ultrasonic wave-assisted synthesis helps to spread nanoparticles evenly while keeping them separate and well combined with other materials. Together these methods develop nanocomposites that display better designs with larger outer spaces and enhanced electrochemical performance. The studies showed that the joint synthesis method produced nanocomposites that stored energy effectively and maintained good performance over many charging cycles. This report showed useful directions for making better energy storage materials to power future systems while supporting sustainable mass production methods.