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Citation: Wang Jing, Wu Feng, Shan Zhong-Qiang. A Novel Hydrogen-storage Material--Microcrystalline Mg(Mn)[J]. Acta Physico-Chimica Sinica, ;2002, 18(02): 97-99. doi: 10.3866/PKU.WHXB20020201 shu

A Novel Hydrogen-storage Material--Microcrystalline Mg(Mn)

1.
College of Chemical Engineering and Material, Beijing Institute of Technology, Beijing　100081; National Development Center of Hi-Tech Green Material, Beijing　100081

Received Date: 15 November 2001
Available Online: 15 February 2002

Microcrystalline magnesium containing a small amount of manganese(i.e.microcrystal Mg(Mn)) has been prepared by an arc vaporization-condensation method. XRD indicated that the microcrystalline Mg(Mn) powder has a main phase of microcrystalline Mg remaining the hexa nal crystal structure. The TEM micrographs showed that some wadding was inlaid on the surface of the microcrystalline Mg and the particle size was about 100～500 nm. It exhibits high capacity for hydrogen storage(6.2％) and high speed for hydrogen desorption at 280 ℃. This characteristic is advantageous to the application of hydrogen storage.
- Magnesium(Manganese);Microcrystalline;Vaporization-condensation;　Catalysis;Hydrogen-storage
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