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Experimental Study on the Release Behavior of Deuterium from Advanced Tritium Breeder Core-Shell Li2TiO3-Li4SiO4
Fusion Science and Technology ( IF 0.9 ) Pub Date : 2020-03-30 , DOI: 10.1080/15361055.2020.1718950
Shouxi Gu 1, 2 , Qiang Qi 1 , Yingchun Zhang 3 , Baolong Ji 1, 2 , Haishan Zhou 1 , Guang-Nan Luo 1, 2
Affiliation  

Abstract Core-shell Li2TiO3-Li4SiO4 has been suggested as an advanced tritium breeder for outstanding mechanical strength and rich lithium. However, no study has reported on the release behavior of hydrogen isotopes from core-shell Li2TiO3-Li4SiO4. This paper focuses on a deuterium exposure experiment to investigate deuterium release behavior. X-ray diffraction, Raman, and electron spin resonance measurements were adopted to analyze the phase change, crystal structure modification, and defects before and after deuterium exposure. Thermal desorption spectroscopy was used to study the deuterium release behavior of core-shell Li2TiO3-Li4SiO4. Deuterium release from single Li4SiO4 and Li2TiO3 was also examined for comparison. The similarity of the deuterium release profiles between core-shell Li2TiO3-Li4SiO4 and Li4SiO4 was observed, which was considered to be caused by the incomplete coverage of shell Li2TiO3 on the core-shell samples.

中文翻译:

先进氚增殖核壳Li2TiO3-Li4SiO4中氘释放行为的实验研究

摘要 核壳型 Li2TiO3-Li4SiO4 被认为是一种先进的氚增殖剂,具有出色的机械强度和丰富的锂。然而,没有研究报道核壳 Li2TiO3-Li4SiO4 中氢同位素的释放行为。本文重点介绍氘暴露实验,以研究氘释放行为。采用X射线衍射、拉曼和电子自旋共振测量来分析氘暴露前后的相变、晶体结构改性和缺陷。热解吸光谱用于研究核壳Li2TiO3-Li4SiO4的氘释放行为。还检查了从单个 Li4SiO4 和 Li2TiO3 中释放的氘以进行比较。观察到核壳 Li2TiO3-Li4SiO4 和 Li4SiO4 之间氘释放曲线的相似性,
更新日期:2020-03-30
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