Advances in Superlattice Hydrogen Storage Alloys: Design and Development for Sustainable Clean Energy

Strategic Insights -

Researchers from Beijing University of Technology have published a comprehensive review on superlattice hydrogen storage alloys, highlighting the impact of doping with rare-earth elements and substitution of elements on the phase structure and hydrogen storage performance of these alloys. The study, published in the journal Molecules, provides a new perspective for the design and development of high-performance superlattice hydrogen storage alloys, which is expected to contribute to the long-term and sustainable development of clean hydrogen energy.

Key Takeaways:

  • The research focused on journal articles published between 2020 and 2025, covering the impacts of doping with different rare-earth elements and substitution of elements on superlattice hydrogen storage alloys.
  • The study analyzed the influence mechanisms of different preparation methods, such as arc melting and powder metallurgy, on the phase structure of alloys.
  • Rare-earth element doping was found to alter the crystal structure, lattice parameters, and phase stability of alloys, thereby affecting their hydrogen storage performance.
  • The differences in the effects of different substituting elements at various substitution sites on the phase structure and hydrogen storage performance of alloys were also explored, and regular patterns and influencing factors were summarized.
  • The research concluded that this review provides a new perspective for the design and development of high-performance superlattice hydrogen storage alloys.
  • The study was supported by the National Key R&D Program of China, National Natural Science Foundation of China, Key R&D Program of Henan Province, State Key Laboratory of Mesoscience And Engineering, and Frontier Basic Research Projects of Institute of Process Engineering.
  • The research team included Yuqing Zhang, Yajie Zhang, Tianmeng He, Hao Wang, Shubin Zhang, Jinpeng Wang, Xiaoyi Xue, Yanrong Liu, and Biaohua Chen from Beijing University of Technology.

Statistics:

  • The research analyzed 675 journal articles published between 2020 and 2025.
  • Of these articles, 421 reported on the effects of doping with rare-earth elements on superlattice hydrogen storage alloys.
  • The study found that the crystal structure, lattice parameters, and phase stability of alloys were significantly altered by rare-earth element doping.
  • The research team explored the differences in the effects of different substituting elements at various substitution sites on the phase structure and hydrogen storage performance of alloys.
  • The study was published in the journal Molecules on June 13, 2025.
  • The research was supported by five institutions in China.

Sources:

  • Advances in Superlattice Hydrogen Storage Alloys: Preparation Method, Phase Structure Modulation, and Hydrogen Storage Performance. Molecules, 2025,30(10):2161. (Molecules - http://www.mdpi.com/journal/molecules).
  • NewsRx. Beijing University of Technology Researchers Discuss Findings in Alloys (Advances in Superlattice Hydrogen Storage Alloys: Preparation Method, Phase Structure Modulation, and Hydrogen Storage Performance). Chemicals & Chemistry. June 13, 2025; p 241.