Significantly improved hydrogen desorption property of La2Mg17 alloy modified with Ni-Al nanocrystalline

Huaiwei Zhang; Xinyao Zheng; Teng Wang; Xingguo Li

doi:10.1016/j.intermet.2015.11.006

Significantly improved hydrogen desorption property of La₂Mg₁₇ alloy modified with Ni-Al nanocrystalline

Huaiwei Zhang, Xinyao Zheng, Teng Wang, Xingguo Li

Peking University

Research output: Contribution to journal › Article › peer-review

23 Scopus citations

Abstract

A simple method was developed for improving the hydrogen storage properties through adding nano Ni-Al compounds using as a stable catalyst to the La₂Mg₁₇ alloys by a PVD method. With the trace addition of the catalyst, hydrogen absorption and desorption rate are all substantially improved for the La-Mg based alloys. The alloys formation process has been determined, and the activity energy of the hydride dehydrogenation reaction before and after Ni-Al nanocrystalline addition was also calculated.

Original language	English
Pages (from-to)	29-32
Number of pages	4
Journal	Intermetallics
Volume	70
DOIs	https://doi.org/10.1016/j.intermet.2015.11.006
State	Published - Mar 2016
Externally published	Yes

Keywords

Hydrogen storage alloys
Nanocrystalline catalyst
PVD method
Rare earth metals

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10.1016/j.intermet.2015.11.006

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abstract = "A simple method was developed for improving the hydrogen storage properties through adding nano Ni-Al compounds using as a stable catalyst to the La2Mg17 alloys by a PVD method. With the trace addition of the catalyst, hydrogen absorption and desorption rate are all substantially improved for the La-Mg based alloys. The alloys formation process has been determined, and the activity energy of the hydride dehydrogenation reaction before and after Ni-Al nanocrystalline addition was also calculated.",

keywords = "Hydrogen storage alloys, Nanocrystalline catalyst, PVD method, Rare earth metals",

author = "Huaiwei Zhang and Xinyao Zheng and Teng Wang and Xingguo Li",

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year = "2016",

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doi = "10.1016/j.intermet.2015.11.006",

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AU - Zhang, Huaiwei

AU - Zheng, Xinyao

AU - Wang, Teng

AU - Li, Xingguo

PY - 2016/3

Y1 - 2016/3

N2 - A simple method was developed for improving the hydrogen storage properties through adding nano Ni-Al compounds using as a stable catalyst to the La2Mg17 alloys by a PVD method. With the trace addition of the catalyst, hydrogen absorption and desorption rate are all substantially improved for the La-Mg based alloys. The alloys formation process has been determined, and the activity energy of the hydride dehydrogenation reaction before and after Ni-Al nanocrystalline addition was also calculated.

AB - A simple method was developed for improving the hydrogen storage properties through adding nano Ni-Al compounds using as a stable catalyst to the La2Mg17 alloys by a PVD method. With the trace addition of the catalyst, hydrogen absorption and desorption rate are all substantially improved for the La-Mg based alloys. The alloys formation process has been determined, and the activity energy of the hydride dehydrogenation reaction before and after Ni-Al nanocrystalline addition was also calculated.

KW - Hydrogen storage alloys

KW - Nanocrystalline catalyst

KW - PVD method

KW - Rare earth metals

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U2 - 10.1016/j.intermet.2015.11.006

DO - 10.1016/j.intermet.2015.11.006

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VL - 70

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EP - 32

JO - Intermetallics

JF - Intermetallics

ER -

Significantly improved hydrogen desorption property of La₂Mg₁₇ alloy modified with Ni-Al nanocrystalline

Abstract

Keywords

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