Hydrogen Storage in Nitrides by the Use of Ammonia as a Hydrogen Carrier

Abstract:

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Hydrogen storage by calcium nitride or magnesium nitride has been undertaken by the use of ammonia, in which the possibility of ammonia as a vector for hydrogen carriers has been studied. When the calcium imide ornitride obtained by thermal decomposition of calcium amide dispersed on active carbon (AC) was brought into contact with ammonia gas (300 Torr) at room temperature, NH3 uptake readily occurred. When the sample after NH3 uptake was heated, the absorbed ammonia was released in the form of hydrogen and nitrogen. The ammonia is possibly absorbed in the form of the decomposed state in the imide ornitride. This type of hydrogen storage has been extensively studied and characterized.For magnesium nitride, ammonia was absorbed and desorbed without the decomposition.

Info:

Periodical:

Materials Science Forum (Volumes 654-656)

Main Theme:

Edited by:

Jian-Feng Nie and Allan Morton

Pages:

2819-2822

DOI:

10.4028/www.scientific.net/MSF.654-656.2819

Citation:

H. Imamura et al., "Hydrogen Storage in Nitrides by the Use of Ammonia as a Hydrogen Carrier", Materials Science Forum, Vols. 654-656, pp. 2819-2822, 2010

Online since:

June 2010

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Price:

$35.00

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