Novel Clathrate Materials for Hydrogen Storage: H₂ Store in N₂ Hydrate

Abstract:

In recent years, solid clathrate gas hydrates are considered to be promising materials for hydrogen storage because they can trap molecular hydrogen within their cages formed by a hydrogen-bond water network. In this paper, we firstly synthesized the nitrogen hydrates, and then used these hydrates for hydrogen storage. The H₂ storage potential in these hydrates is investigated by Raman spectrometry technique. The spectral properties show that the multiple H₂ occupancies of large cages of N₂ hydrates have been realized under mild condition (16 MPa and 255 K) when exposing N₂ hydrates in pressurized H2 gas. The results suggest that nitrogen clathrate hydrates are prospective media for H₂ storage and may help to design and produce new hydrogen storage materials.

• Periodical: Advanced Materials Research (Volumes 512-515)
• Pages: 957-960
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.512-515.957
• Online since: May 2012
• Authors: Chang Ling Liu, Qing Guo Meng, Cheng Feng Li, Yu Guang Ye
• Keywords: Clathrate, Hydrogen Storage, Nitrogen Hydrate, Raman Spectrometry

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