As the predominant electrochemical energy storage technology, lithium-ion batteries still encounter critical challenges when deployed in various applications, especially for grid-scale energy storage, including inherent safety concerns, resource scarcity and high lifecycle. As the predominant electrochemical energy storage technology, lithium-ion batteries still encounter critical challenges when deployed in various applications, especially for grid-scale energy storage, including inherent safety concerns, resource scarcity and high lifecycle. The transition to renewable energy is essential for global decarbonization, yet effective energy storage remains a significant challenge that must be addressed to integrate intermittent sources like wind and solar into the power grid. This review highlights advancements in various energy storage. The rapid development of new energy and energy storage technologies is vital for building a green and low-carbon smart grid. While significant progress has been achieved, systematic solutions remain limited. With wind, solar, and other renewable sources gaining popularity, the ability to effectively store and manage this energy is critical. MITEI's three-year Future of Energy Storage study explored the role that energy storage can play in fighting climate change and in the global adoption of clean energy grids. Replacing fossil fuel-based power generation with power generation from wind and solar resources is a key strategy for. The German government is already working on a draft law for the country's power plant strategy that involves the installation of an initial 12 GW of dispatchable capacity as a backup power source when solar and wind energy is not enough.