Li–N based hydrogen storage materials

In this report, we will first describe the phase determination before and after the hydrogenation of Li 3N, and then clarify the fundamental hydrogen storage (desorption) properties with/without the partial cation substitutions in LiNH 2. Combined analyses both the in situ Raman and thermal desorpti...

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Published inMaterials science & engineering. B, Solid-state materials for advanced technology Vol. 108; no. 1; pp. 48 - 50
Main Authors Nakamori, Y., Orimo, S.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 25.04.2004
Subjects
Complex hydride
Hydrogen storage material
Li 2NH
LiNH 2
Substitution effect
Substitution effect
Complex hydride
Hydrogen storage material
LiNH 2
Li 2NH
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Summary:In this report, we will first describe the phase determination before and after the hydrogenation of Li 3N, and then clarify the fundamental hydrogen storage (desorption) properties with/without the partial cation substitutions in LiNH 2. Combined analyses both the in situ Raman and thermal desorption spectroscopies indicate that the hydrogen desorption reaction from LiNH 2 starts around 550 K, and that from Li 2NH around 700 K, respectively, in heating process under 0.1 MPa argon. The starting and ending temperatures for the hydrogen desoprtion reaction lowers about 50 K by the partial cation substitution of Li by Mg.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0921-5107
1873-4944
DOI:10.1016/j.mseb.2003.10.044