Energy storage devices are essential technologies that store energy for later use, helping to balance supply and demand in various applications. Common types include batteries, supercapacitors, and flywheels, each with unique characteristics suited for different needs. Among these, lithium-ion batteries are widely used in consumer electronics and electric vehicles due to their high energy density and efficiency. As the world shifts towards renewable energy sources like solar and wind, energy storage devices play a crucial role in ensuring a stable and reliable power supply.