Ceramic-ceramic nanocomposite materials for energy storage applications: A review

The quest for efficient energy storage solutions has ignited substantial interest in the development of advanced emerging materials with superior energy storage capabilities. Ceramic materials, renowned for their exceptional mechanical, thermal, and chemical stability, as well as their improved dielectric and electrical properties, have emerged as frontrunners in energy storage applications. Their potential to provide high energy densities, enhance capacitance, and extend cycle lifetimes has garnered attention. Incorporating nanotechnology into ceramic composites further boosts their performance by customizing their properties at the nanoscale. This concise overview delves into the burgeoning field of ceramic-ceramic nanocomposite materials for energy storage applications. It outlines synthesis methods, key properties such as dielectric and electrochemical properties, and potential applications of these materials for the advancement of more efficient, durable, and environmentally friendly energy storage devices, including batteries and capacitors. For instance, the NGC/MnO2-2 2-2 h fiber electrode-based Supercapacitor exhibited a remarkable specific capacitance of 367.7 F cm-- 3 at 0.5 A cm-3 current density, alongside the highest power density of 1066.1 mWh cm-- 3 and energy density of 5.9 mWh cm-3 achieved at current densities of 0.5 A cm-3 and 3 A cm-- 3 , respectively. Similarly, LiO2-containing 2-containing cells demonstrated an impressive energy density of 320 Wh kg- 1 , a capacity of 2.46 Ah, and an 80 % capacity retention after 300 cycles. Recent advancements in the field of ceramic/ceramic materials at the nanoscale along with identified flaws in the field of energy storage are explored.