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|Title:||Hydrogen absorption/desorption behaviors over a quaternary Mg-Ca-Li-N-H system||Authors:||Liu, Y.
|Issue Date:||13-Sep-2006||Citation:||Liu, Y., Xiong, Z., Hu, J., Wu, G., Chen, P., Murata, K., Sakata, K. (2006-09-13). Hydrogen absorption/desorption behaviors over a quaternary Mg-Ca-Li-N-H system. Journal of Power Sources 159 (1 SPEC. ISS.) : 135-138. ScholarBank@NUS Repository. https://doi.org/10.1016/j.jpowsour.2006.04.006||Abstract:||Hydrogen storage in a quaternary Mg-Ca-Li-N-H system has been investigated by XRD, FT-IR, TPD and PCI. Results showed that hydrogen desorption occurred at temperature about 50 °C, and peaked at ∼178 °C under a heating rate of 2 °C min-1. The reversibility of hydrogen storage was observed and the maximum hydrogen storage capacity of about 2.7 wt.% was reached at 220 °C and 75 atm. However, the plateau pressure for hydrogen desorption is relatively low (∼0.3 atm). Structural identifications reveal that a new phase with tetragonal structure positioned at 31.8° and 51.3° of XRD peaks was generated during hydrogen absorption/desorption. © 2006 Elsevier B.V. All rights reserved.||Source Title:||Journal of Power Sources||URI:||http://scholarbank.nus.edu.sg/handle/10635/96845||ISSN:||03787753||DOI:||10.1016/j.jpowsour.2006.04.006|
|Appears in Collections:||Staff Publications|
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