Nano Archive

Nanocrystalline nickel as a material with high hydrogen storage capacity

Vojtech, D and Michalcová, A and Klementová, M and Serák, J and Mortaniková, M (2009) Nanocrystalline nickel as a material with high hydrogen storage capacity. Materials Letters, 63 (12). 1074 - 1076.

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In the present work a nano-crystalline nickel powder is prepared by selective leaching of a rapidly solidified Al–20Ni ribbon in aqueous sodium hydroxide. Almost spherical powder particles of 50–150 nm in size consist of grains having diameters in a range of 2–5 nm. Elemental analysis shows a very high gravimetric density of hydrogen in the powder of 2.6 wt.%. Mass spectrometry reveals that hydrogen desorbs from the powder at 80–150 °C.

Item Type:Article
Uncontrolled Keywords:Electron microscopy; Nanomaterials; Nano-crystalline nickel; Hydrogen storage; Rapid solidification
Subjects:Material Science > Nanostructured materials
ID Code:6600
Deposited By:SPI
Deposited On:10 Feb 2010 17:43
Last Modified:10 Feb 2010 17:43

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