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|Title:||Investigations into the interaction between hydrogen and calcium nitride|
|Authors:||Xiong, Z. |
|Source:||Xiong, Z., Chen, P., Wu, G., Lin, J., Tan, K.L. (2003-07-01). Investigations into the interaction between hydrogen and calcium nitride. Journal of Materials Chemistry 13 (7) : 1676-1680. ScholarBank@NUS Repository. https://doi.org/10.1039/b211563h|
|Abstract:||The interaction between hydrogen and α-Ca3N2 has been investigated by temperature programmed adsorption-desorption and pressure-composition (P-C) isotherms and also by X-ray powder diffraction. We find that hydrogen adsorption by Ca3N2 begins at temperatures around 300 °C. Approximately 3.5 H atoms can be adsorbed by one Ca3N2 molecule. Only half of the adsorbed hydrogen can be desorbed at temperatures above 350 °C, Addition of CaH2 enhances the reversibility of H-adsorption in the Ca3N2 sample. As demonstrated in the present work, almost all of the hydrogen adsorbed by the Ca3N2-CaH2 sample (molar ratio 1:1) can be released with Ca2NH as the final product.|
|Source Title:||Journal of Materials Chemistry|
|Appears in Collections:||Staff Publications|
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