Hydrogen storage materials are crucial for realizing the potential of hydrogen as a clean and renewable energy carrier. This review provides a comprehensive overview of recent advancements, challenges, and future directions in the field of hydrogen storage materials. We discuss various types of storage materials, including metal hydrides, carbon-based materials, and chemical hydrides, highlighting their key characteristics and potential applications. Advances in storage capacity, kinetics, operating temperatures, material compatibility, and cost-effectiveness are examined, along with challenges such as limited storage capacity, slow kinetics, and high operating temperatures. Current research and development efforts focus on novel materials design, advanced characterization techniques, integration with fuel cell systems, and government and industry initiatives. Future directions include the development of high-performance materials, integration into existing infrastructure, and commercialization efforts to enable widespread adoption of hydrogen as a clean energy carrier.

Hydrogen storage materials, metal hydrides, carbon-based materials, chemical hydrides, storage capacity, kinetics, operating temperatures, material compatibility, cost-effectiveness, novel materials design, advanced characterization techniques, integration, commercialization.