Paper Title:
Effects of Rare-Earth Content on the Properties of Co-Free MmxMl1-x(NiCuAlZn5)Hydrogen Storage Alloys
  Abstract

MmxMl1-xNi4.14Cu0.5Al0.3Zn0.06 (Mm=Ce-rich misch-metal, Ml=La-rich misch-metal, x=0, 0.2, 0.4, 0.6, 0.8, 1) alloys have been synthesized by the inter-media alloy method. The properties of these alloys have been systematically investigated by means of X-ray diffraction (XRD), pressure-composition isotherms (PCT), electrochemical impendence (EIS) and cyclic voltammogram (CV). The X-ray diffraction results indicated that these alloys had a CaCu5-type hexagonal crystal structure. With increasing the Mm content, the plateau pressure and volume expansion of their hydrides were increased, but the volume of unit was decreased.

  Info
Periodical
Materials Science Forum (Volumes 475-479)
Main Theme
Edited by
Z.Y. Zhong, H. Saka, T.H. Kim, E.A. Holm, Y.F. Han and X.S. Xie
Pages
2517-2520
DOI
10.4028/www.scientific.net/MSF.475-479.2517
Citation
Y. J. Wang, H. Yuan, "Effects of Rare-Earth Content on the Properties of Co-Free MmxMl1-x(NiCuAlZn5)Hydrogen Storage Alloys", Materials Science Forum, Vols. 475-479, pp. 2517-2520, 2005
Online since
January 2005
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