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Crystallographic and electrochemical characterization of TiV4−xNix alloys for nickel-metal hydride batteries

✍ Scribed by Hiroshi Inoue; Shigemasa Arai; Chiaki Iwakura

Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
226 KB
Volume
41
Category
Article
ISSN
0013-4686

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✦ Synopsis

Crystallographic and electrochemical characterization of novel TiV,_,Ni, hydrogen storage alloys, which are body-centered cubic solid solutions of titanium in vanadium, was firstly investigated.

Crystal structure of TiV,_,Ni, (0 d x < 1) alloys changed in two steps depending on the amount of absorbed hydrogen in the same manner as a V metal. In chargdischarge cycling tests, the maximum discharge capacity of the TiV,_,Ni, electrodes was observed to be ca. 350mA h g-r at around x = 0.4-0.6 under the condition of charge and discharge current densities of 50mA hg-' and operating temperature of 30°C.

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