This review discusses the role of energy storage in the energy transition and the blue economy, focusing on technological development, challenges, and directions. Effective storage is vital for balancing intermittent renewable energy sources like wind, solar, and marine energy. . Breakthroughs in battery technology are transforming the global energy landscape, fueling the transition to clean energy and reshaping industries from transportation to utilities. This study reviews chemical and thermal energy storage technologies, focusing on how they. . The industrialization of energy storage materials affects everyone – from policymakers drafting climate plans to engineers tweaking battery chemistries.