Hydrogen Compression Materials with Output Hydrogen Pressure in a Wide Range of Pressures Using a Low-Potential Heat-Transfer Agent

Xu, Z.; Zhao, Y.; Li Bao-Quan; Prokhorenkov, M.; Movlaev, E.; Xu, J.; Xiong, W.; Yan, H.; Mitrokhin, S.

Авторы: Xu Zhang, Zhao Yu-Yuan, Li Bao-Quan, Prokhorenkov Mikhail, Movlaev Elshad, Xu Jin, Xiong Wei, Yan Hui-Zhong, Mitrokhin Sergey
Журнал: INORGANICS
Том: 11
Номер: 5
Год издания: 2023
Издательство: Molecular Diversity Preservation International (MDPI)
Местоположение издательства: Basel, Switzerland
Первая страница: 180
Последняя страница: 197
DOI: 10.3390/inorganics11050180
Аннотация: In order to meet the demand of metal hydride–hydrogen compressors (MHHC) and their hydrogen compression materials for high-pressure hydrogen filling in a hydrogen energy field, four kinds of hydrogen storage alloys with low-grade heat source (<373 K) heating outputs and different hydrogen pressures (up to 80 MPa) were developed as hydrogen compression materials. The preliminary compositions of the hydrogen storage alloys were determined by using a statistical model and research experience. The rare earth series AB5 and Ti/Zr base AB2 hydrogen storage alloys were prepared using a high-temperature melting method. The composition, structure, and hydrogenation/dehydrogenation plateau characteristics of the alloys were tested by an inductively coupled plasma mass spectrometer (ICP-MAS), X-ray diffractometer (XRD), and pressure–composition isothermal (PCT) tester. The median output pressures of the four-stage hydrogen storage alloys at 363 K were 8.90 MPa, 25.04 MPa, 42.97 MPa, and 84.73 MPa, respectively, which met the requirements of the 20 MPa, 35 MPa, and 70 MPa high-pressure hydrogen injections for the MHHCs. In fact, due to the tilted pressure plateau of the PCT curve, the synergy between the adjacent two alloys still needed to be adjusted.
Добавил в систему: Митрохин Сергей Владиленович

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