A zinc-bromine battery is a type of rechargeable battery that uses zinc and bromine as its main components. It operates through a chemical reaction between these materials, allowing it to store and release electrical energy efficiently. This battery design is known for its high energy density and long cycle life, making it suitable for various applications, including renewable energy storage. These batteries are typically used in large-scale energy systems, such as solar and wind power installations, where they help store excess energy for later use. Their ability to operate at different temperatures and their relatively low cost make them an attractive option for energy storage solutions.