Paper Title:
Influence of Nanosized α-Ni(OH)2 Addition on the Electrochemical Performance of β-Ni(OH)2 Electrode
  Abstract

Al-substituted α-Ni(OH)2 was synthesized by a chemical co-precipitation. The as-prepared α-Ni(OH)2 particles were characterized by the means of X-ray diffraction (XRD) and scanning electron microscope (SEM). The obtained α-Ni(OH)2 particles were well crystallized, spherical shape with the particle sizes of 20-35 nm. The electrochemical performance of β-Ni(OH)2 electrode with addition of nanosized α-Ni(OH)2 was investigated by galvanostatic charge-discharge tests. The nanosized α-Ni(OH)2 as additive in the commercial microsized spherical β-Ni(OH)2 electrode improved the discharge capability. As compared to commercial β-Ni(OH)2 electrode, the electrode with nanosized α-Ni(OH)2 exhibited excellent better charge-discharge cycling stability. It may be a promising positive active material for alkaline secondary batteries.

  Info
Periodical
Solid State Phenomena (Volumes 121-123)
Edited by
Chunli BAI, Sishen XIE, Xing ZHU
Pages
1265-1268
DOI
10.4028/www.scientific.net/SSP.121-123.1265
Citation
T.A. Han, J.P. Tu, J. B. Wu, Y.F. Yuan, Y. Li, "Influence of Nanosized α-Ni(OH)2 Addition on the Electrochemical Performance of β-Ni(OH)2 Electrode", Solid State Phenomena, Vols. 121-123, pp. 1265-1268, 2007
Online since
March 2007
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$32.00
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