Explore the technology behind Lithium Cobalt Oxide (LCO) batteries, their applications in portable electronics, and the benefits they offer, including high energy density and reliability. . LCO batteries, also known as lithium cobalt oxide batteries, are a cornerstone of the lithium-ion battery ecosystem. These batteries stand out due to their high specific capacity and stable structure, making them indispensable in high-energy-density applications. In 2025, their role becomes even. . These qualities are extremely important in the use in modern applications like electrical and hybrid vehicles and most importantly energy storage systems which are used in the renewable energy applications. The lithium ion batteries chemistry is the same across the different lithium-ion battery. . Cobalt oxide thin films doped with lithium oxide thin films showed high electrical conductivity and intriguing electrochemical performance. However, its capacity for energy storage encourages the creation of high energy density batteries, Li-ion devices, for example, and the use of novel. .