Lithium-cobalt compounds are chemical materials primarily used in rechargeable batteries, particularly in lithium-ion batteries. These compounds, such as lithium cobalt oxide (LiCoO2), are known for their high energy density and stability, making them suitable for powering devices like smartphones and laptops. In addition to their use in batteries, lithium-cobalt compounds are also explored in various applications, including electric vehicles and renewable energy storage systems. Their unique properties contribute to advancements in technology, enhancing performance and efficiency in energy storage solutions.