Breakthrough in Hydrogen Storage: Researchers Discover New Material

Researchers at the Department of Chemistry in Telangana, India, have made a groundbreaking discovery in the field of hydrogen storage. According to their study, published in the journal Computational and Theoretical Chemistry, a star-like planar pentacoordinate carbon (ppC) superalkali cluster CBe5Li5+ has been found to have a high hydrogen storage capacity. The cluster's stability, which can be attributed to the 18-electron rule, makes it a promising candidate for next-generation hydrogen storage applications.

Key Takeaways:

  • The research team, led by G. Naaresh Reddy, used density functional theory (DFT) to study the hydrogen storage capacity of the CBe5Li5+ cluster.
  • The results showed that the cluster can store hydrogen molecules in molecular form, with a gravimetric density of up to 25.8%.
  • Molecular dynamics (MD) simulations revealed that the majority of adsorbed hydrogen molecules shifted out of the cluster within 300 fs, but some remained bound.
  • The energy analysis from MD simulations indicated that the structures are dynamically stable, with the cluster retaining its planarity even after H2 adsorption.
  • The CBe5Li5+ cluster is predicted to be a promising candidate for hydrogen storage material, with a high efficiency and stability.
  • The research team included Anupam Aash, Gourisankar Roymahapatra, Suman Chirra, and Subrata Karmakar, in addition to G. Naaresh Reddy.

Statistics:

  • The CBe5Li5+ cluster has a gravimetric density of up to 25.8% for hydrogen storage.
  • The majority of adsorbed hydrogen molecules shifted out of the cluster within 300 fs, but some remained bound.
  • The MD simulations indicated that the planarity of the CBe5Li5+ cluster is retained even after H2 adsorption.
  • The energy analysis from MD simulations showed that the structures are dynamically stable.

Sources:

  • Hydrogen Storage On a Star-like Cbe5li5+superalkali Cluster Featuring Planar Pentacoordinate Carbon (Computational and Theoretical Chemistry, 2025;1253)
  • Journal of Physics Research (November 4, 2025; p 461)
  • Science and Engineering Research Board (SERB), Government of India
  • NewsRx LLC (Copyright 2025)
  • Department of Chemistry, Vardhaman Coll Engn, Dept. of Chemistry, Hyderabad 501218, Telangana, India (G. Naaresh Reddy)