Paper Title:
Degradation Properties of Hydrogen Storage Alloys and Change of Microstructure during the Degradation
  Abstract

Ti-Cr-V alloys with body-centered cubic (BCC) structure were investigated on hydrogen absorbing-desorbing cyclic durability by using H2 without and with several concentrations of CO (Hereafter, they are described as pure H2 and n ppm CO, respectively.). The alloy which offers the excellent durability except the early stages of cyclic absorption-desorption under pure H2 atmosphere gave good durability also in a flow of low concentration of CO. However, capacities’ degradation curves under high CO concentration reflected that duration and concentration effects competed with each other. The results suggests to be able to express each degradation by intrinsic and extrinsic factors as an aggregation of several prime functions.

  Info
Periodical
Materials Science Forum (Volumes 561-565)
Main Theme
Edited by
Young Won Chang, Nack J. Kim and Chong Soo Lee
Pages
1613-1616
DOI
10.4028/www.scientific.net/MSF.561-565.1613
Citation
H. Tanaka, S. Han, Q. Xu, N. Kuriyama, K. Aihara, N. Taoka, "Degradation Properties of Hydrogen Storage Alloys and Change of Microstructure during the Degradation", Materials Science Forum, Vols. 561-565, pp. 1613-1616, 2007
Online since
October 2007
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