Hollow nanodendritic nickel oxide networks prepared by dealloying of nickel-copper alloy

Title
Hollow nanodendritic nickel oxide networks prepared by dealloying of nickel-copper alloy
Authors
최우성장원영신헌철
Keywords
dealloying; electrodeposition; nickel oxide; lithium battery; Porous structure
Issue Date
2014-02
Publisher
Journal of solid state electrochemistry
Citation
VOL 18, NO 2, 427-433
Abstract
Three-dimensional hollow nanorod network of nickel has been produced by a dealloying process of the electrodeposited nickel–copper alloy with nanodendritic structure. The nanostructured nickel was subsequently heat treated to form the nickel oxide with little change in the original structure. The resulting sample was tested as the high rate anode in a rechargeable lithium battery. It shows the exceptional rate capability, far exceeding that of the counterpart of nickel–copper oxide network with normal solid branches: reversible capacity at the rate of 20.9 A g−1 is approximately 70 % of the capacity at 0.26 A g−1 rate.
URI
http://pubs.kist.re.kr/handle/201004/47347
ISSN
14328488
Appears in Collections:
KIST Publication > Article
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