The latest issue of Energy Storage Technology and Application (ESTA) journal delves into the cutting-edge advancements in secondary battery materials technology, unraveling a tapestry of innovation that promises to reshape the landscape of energy storage. With a comprehensive exploration of raw materials, active materials, storage strategies, and electrolytes, this issue stands at the forefront of current research, providing a roadmap for the future of sustainable energy solutions. As a cohesive exploration of secondary battery materials technology, this issue serves as a compass for researchers, engineers, and policymakers navigating the complex landscape of energy storage. By addressing crucial aspects from raw material selection to innovative storage strategies, the journal aims to catalyze advancements that will propel the energy storage industry toward a more sustainable and efficient future.