The effect of long-term heating on the tritium adsorption and desorption behavior of advanced core-shell breeding materials

Ruichong Chen, Kazunari Katayama, Akito Ipponsugi, Ran Oyama, Hao Guo, Jianqi Qi, Zhijun Liao, Tiecheng Lu

Research output: Contribution to journalArticlepeer-review

Abstract

In order to efficiently grasp the tritium behavior in advanced core-shell breeding materials, this study adopts a route of injecting tritium out-of-pile to deal with the problems of fewer platforms, long periods, and high costs for traditional neutron irradiation-tritium release experiments. Here, tritium adsorption and desorption experiments were carried out with Li4TiO4-Li2TiO3 core-shell breeding materials before and after long-term heating up to 30 days. The purpose is to study whether the structural changes caused by long-term heating will affect the adsorption and desorption behavior of tritium on the sample surface. The results show that the lack of chemically adsorbed water caused by long-term heating will significantly weaken the tritium adsorption capacity of the sample, but will not affect the desorption behavior of Ar, 1% H2 + Ar and water vapor on tritium, so all samples show a very low tritium retention.

Original languageEnglish
Article number076030
JournalNuclear Fusion
Volume62
Issue number7
DOIs
Publication statusPublished - Jul 2022

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Condensed Matter Physics

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