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In-situ TEM Observation for Reaction of LiH with NH3 by Means of Environmental Cell

Published online by Cambridge University Press:  31 January 2011

Hiroko Hirasawa ,
Shigehito Isobe ,
Yongming Wang ,
Hikaru Yamamoto ,
Hiroki Miyaoka ,
Naoyuki Hashimoto ,
Somei Ohnuki ,
Takayuki Ichikawa  and
Yoshitsugu Kojima
Hiroko Hirasawa
Affiliation:
hirasa@eng.hokudai.ac.jp
Shigehito Isobe
Affiliation:
isobe@eng.hokudai.ac.jp, Hokkaido University, Sapporo, Japan
Yongming Wang
Affiliation:
wang@eng.hokudai.ac.jp, Hokkaido University, Sapporo, Japan
Hikaru Yamamoto
Affiliation:
hikaru-yamamoto@hiroshima-u.ac.jp, Hiroshima University, Higashi-Hiroshima, Japan
Hiroki Miyaoka
Affiliation:
king20@hiroshima-u.ac.jp, Hiroshima University, Higashi-Hiroshima, Japan
Naoyuki Hashimoto
Affiliation:
hasimoto@eng.hokudai.ac.jp, Hokkaido University, Sapporo, Japan
Somei Ohnuki
Affiliation:
ohnuki@eng.hokudai.ac.jp, Hokkaido University, Sapporo, Japan
Takayuki Ichikawa
Affiliation:
tichi@hiroshima-u.ac.jp, Hiroshima University, Higashi-Hiroshima, Japan
Yoshitsugu Kojima
Affiliation:
kojimay@hiroshima-u.ac.jp, Hiroshima University, Higashi-Hiroshima, Japan
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Abstract

In-situ observation of the reaction between light weight hydride LiH and NH3 gas was performed by means of TEM (Transmission Electron Microscopy) with an environmental cell. This environmental cell was designed for the observation of the gas-solid reaction under 0 ∼ 0.2 MPa gas atmosphere at 20 ∼ 150 °C. It has been confirmed a volume expansion and generation of LiNH2, that is the reaction between LiH and NH3. Moreover, it was revealed that LiNH2 was generated at the surface of LiH particle at first process of the reactions.

Keywords

Litransmission electron microscopy (TEM)nanostructure
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1216: Symposium W – Hydrogen Storage Materials , 2009 , 1216-W03-34
Copyright
Copyright © Materials Research Society 2010

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