The year of 2023 witnessed the rapid development and application of magnesium-based hydrogen storage materials and systems, with many research hotspots and remarkable application milestones. Regarding material design and development,researchers were successfully enhanced the thermodynamics/kinetics of magnesium-based hydrogen storage materials through various modification methods and realized the near-room temperature hydrogen absorption, hydrogen release below 200° C, and improved cycle life. In terms of engineering applications, the world's first tonnage magnesium-based solid-state hydrogen storage and transport trailer was launched, and several demonstration application projects and material production lines were also implemented. The whole community is now interested in promoting the development of magnesium-based hydrogen storage materials and systems, exploring their potential application scenarios. This paper provides an overview and outlook of magnesium based hydrogen storage materials on five aspects: catalysis, nanotechnology, alloying, storage system, and demonstration applications. It summarizes the progress of magnesium-based hydrogen storage materials made in 2023, explores their potential applications in hydrogen storage and transportation, energy storage, and power generation using solid oxide fuel cells. Opportunities and challenges that magnesium-based hydrogen storage materials will encounter in the coming 2024 are also discussed.

hydrogen energy  /  magnesium-based hydrogen storage materials  /  thermodynamic and kinetic properties  /  solid state hydrogen storage and transportation system