The global energy crisis and environmental pollution have caused great concern. Hydrogen is a renewable and environmentally friendly source of energy and has potential to be a major alternative energy carrier in the future. Due to its high capacity and relatively low cost of raw materials, alanate has been considered as one of the most promising candidates for hydrogen storage. Among them, LiAlH₄ and NaAlH₄, as two representative metal alanates, have attracted extensive attention. Unfortunately, the high desorption temperature and sluggish kinetics restrict its practical application. In this paper, the basic physical and chemical properties as well as the hydrogenation/dehydrogenation reaction mechanism of LiAlH₄ and NaAlH₄ are briefly reviewed. The recent progress on strategic optimizations toward tuning the thermodynamics and kinetics of the alanate including nanoscaling, doping catalysts and compositing modification are emphatically discussed. Finally, the coming challenges and the development prospects are also proposed in this review.

全球能源危机和环境污染引起了极大关注。氢是一种可再生且环保的能源，未来有潜力成为主要的替代能源载体。由于丙二酸酯的高容量和相对较低的原材料成本，其被认为是储氢最有前途的候选者之一。其中，作为两种代表性金属铝酸盐的LiAlH ₄和NaAlH ₄引起了广泛的关注。不幸的是，高解吸温度和缓慢的动力学限制了其实际应用。LiAlH ₄和NaAlH ₄的基本理化性质以及加氢/脱氢反应机理简要回顾一下。着重讨论了在调整铝酸盐的热力学和动力学方面的战略优化方面的最新进展，包括纳米尺度，掺杂催化剂和复合改性。最后，本综述还提出了即将到来的挑战和发展前景。