Rate enhancement of hydrogen generation through the reaction of magnesium hydride with water by MgO addition and ball milling

Seong-Hyeon Hong; Hyun-Jin Kim; Myoung Youp Song

Journal of Industrial and Engineering Chemistry, Vol.18, No.1, 405-408, January, 2012

DOI10.1016/j.jiec.2011.11.104 Export Citation

Rate enhancement of hydrogen generation through the reaction of magnesium hydride with water by MgO addition and ball milling

Seong-Hyeon Hong, Hyun-Jin Kim, and Myoung Youp Song^{1, †}

Powder Materials Technology Group, KIMS, Korea Institute of Machinery and Materials, 66 Sangnam, Changwon, Gyeongnam 641-831, Republic of Korea
¹Division of Advanced Materials Engineering, Department of Hydrogen and Fuel Cells, Research Center of Advanced Materials Development, Engineering Research Institute, Chonbuk National University, 664-14 Deokjin-Dong 1-Ga, Deokjin-Gu, Jeonju, Jeonbuk 561-756, Republic of Korea

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The variations of the amount of hydrogen generated with the kind of powders and the condition of the magnesium and magnesium hydride powders were investigated. By the reaction of Al, TiH2 and unmilled and milled Mg powders with water, the H2 generation rates were very low and the quantities of H2 generated were extremely small. The quantity of H2 generated by the reaction of unmilled MgH2 powder with water was greater than those generated by the reactions of Al, TiH2, and unmilled and milled Mg powders with water. The MgH2 powder milled for 2 h, with finer particles, generated much more H2 by its reaction with water than unmilled MgH2 powder. The MgH2 + 5%MgO powder milled for 2 h generated much more H2 by its reaction with water than the Al, TiH2, unmilled Mg, milled Mg, unmilled MgH2, and milled MgH2 powders.

Keywords:Hydrogen generation;Magnesium hydride;Reaction with water;MgO addition;Ball milling

[References]

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[1] Han JS, Park KD, Kor. J. Met. Mater., 48(12), 1123 (2010)

[2] Song MY, Kwon SN, Mumm DR, Hong SH, Int. J. Hydrogen Energy., 32(16), 3921 (2007)

[3] Kim KI, Hong TW, Kor. J. Met. Mater., 49(3), 264 (2011)

[4] Hong SH, Kwon SN, Song MY, Kor. J. Met. Mater., 49(4), 298 (2011)

[5] Chatpaisalsakul W, Mekasuwandumrong O, Panpranot J, Satayaprasert C, Praserthdam P, J. Ind. Eng. Chem., 15(1), 77 (2009)

[6] Lee YJ, Kim YM, Jeong HR, Kang MS, J. Ind. Eng. Chem., 14(5), 655 (2008)

[7] Wang HZ, Leung DYC, Leung MKH, Ni M, Renew. Sust. Energy Rev., 13, 845 (2009)

[8] Uan JY, Cho CY, Liu KT, Int. J. Hydrogen Energy., 32(13), 2337 (2007)

[9] Uan JY, Yu SH, Lin MC, Chen LF, Lin HI, Int. J. Hydrogen Energy., 34(15), 6137 (2009)

[10] Uan JY, Lin MC, Cho CY, Liu KT, Lin HI, Int. J. Hydrogen Energy., 34(4), 1677 (2009)

[11] Grosjean MH, Zidoune M, Huot JY, Roue L, Int. J. Hydrogen Energy., 31, 1159 (2006)

[12] Grosjean MH, Zidoune M, Roue´ L , Huot JY, Int. J. Hydrogen Energy., 31(1), 109 (2006)

[13] Grosjean MH, Roue L, J. Alloys Compd., 416(1-2), 296 (2006)