2023年日本表面真空学会学術講演会

講演情報

ポスター発表

[2P01-53] Poster Presentation

2023年11月1日(水) 17:00 〜 18:30 ポスター (1階)

[2P34] Improving the hydrogen release property of TiH2 by ball milling and organic solvent method

*Mei Yuan1, Takahiro Kondo2,3 (1. Degree Programs in Pure and Applied Sciences, Graduate School of Science and Technology, University of Tsukuba, 2. Institute of Pure and Applied Sciences, University of Tsukuba, 3. Advanced Institute for Materials Research (WPI-AIMR), Tohoku University)

TiH2 is one of solid hydrogen storage materials, and it can also be used as a catalyst for other hydrogen storage materials to reduce the temperature at which it releases hydrogen. Therefore, the hydrogen-releasing performance of TiH2 is particularly important. We focused on changing the size to increase its hydrogen release temperature. In our work, two methods are currently used to prepare small-sized TiH2. The results suggest that ball milling produces smaller sized TiH2 enables to reduce the first-step hydrogen release temperature about 150 ℃. TiH2 combined with 2D materials shows a great potential to lower the hydrogen release temperature.

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