The material edge: Powering the hydrogen revolution from production to utilization

Hydrogen is a cornerstone of the transition to a decarbonized energy future, providing a flexible solution for hard-to-electrify sectors and efficient energy storage. This narrative review synthesizes groundbreaking advancements in materials science that are transforming hydrogen technologies across four critical domains: (1) cutting-edge catalysts for green hydrogen production, encompassing optimized water electrolysis utilizing nanostructured catalysts and membrane innovations, photoelectrochemical systems, and innovative thermochemical processes; (2) advanced storage solutions, including metal hydrides, porous frameworks, liquid organic hydrogen carriers, and enhanced physical storage systems, addressing key challenges in energy density, safety, and reversibility; (3) novel materials enabling efficient hydrogen use in fuel cells and chemical synthesis; (4) alternative hydrogen carriers, such as ammonia and hydrogen peroxide, for diverse material demands. By tackling fundamental scientific challenges, identifying emerging trends, and outlining future research directions, this review highlights the critical role of materials innovation in developing a scalable, efficient, and circular hydrogen economy to achieve a sustainable, net-zero energy future.