Investigation on the hydrogen storage stability and hydrogenation kinetics of titanium sponge

IF 1.5 3区化学 Q3 CHEMISTRY, ANALYTICAL

Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-12-31 DOI:10.1007/s10967-024-09928-2

Zhijun Ma, Yongqiang Wan, Yang Xu, Jiyao Bai, Yonglin He, Xiaojun Ding, Keliang Shi

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引用次数: 0

Abstract

The characterization of hydrogen adsorption thermodynamic and kinetic parameters is essential for predicting and rational designing elements that will make up nuclear fusion reactors. Titanium sponge is a promising material for hydrogen isotopes storage thanks to its stability, effectiveness, and economical process. Therefore, it is important to investigate the experimental adsorption data for hydrogen storage of titanium sponge, including lifespan, hydrogenation thermodynamics and kinetics. Herein, a commercial titanium sponge exhibits excellent hydrogen adsorption and desorption stability even after 30 cycles. During the adsorption process, the α-β phase transition and β-δ phase transitions were observed. The fitting equilibrium pressure of hydrogen absorption at room temperature was found to be 2.07 × 10^–4 Pa. The adsorbed hydrogen can be released entirely at 800 °C when the pressure of system is lower than the equilibrium hydrogen pressure of titanium hydride. This work shows that titanium sponges present a practical solution for the stable and efficient storage of hydrogen isotopes.

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来源期刊

Journal of Radioanalytical and Nuclear Chemistry 化学-分析化学

CiteScore

2.80

自引率

18.80%

发文量

504

审稿时长

2.2 months

期刊介绍： An international periodical publishing original papers, letters, review papers and short communications on nuclear chemistry. The subjects covered include: Nuclear chemistry, Radiochemistry, Radiation chemistry, Radiobiological chemistry, Environmental radiochemistry, Production and control of radioisotopes and labelled compounds, Nuclear power plant chemistry, Nuclear fuel chemistry, Radioanalytical chemistry, Radiation detection and measurement, Nuclear instrumentation and automation, etc.