File
Authors
Keywords
Si anode
Thick-film electrode
Electroless deposition
Gas deposition
Li-ion battery
Abstract
Nickel and copper were coated on Si particles by a stepwise electroless deposition technique in which the coating orders of the metals were exchanged. Thick-film electrodes for Li-ion batteries were prepared by a gas-deposition method using the coated Si particles, and the anode performance of these electrodes was investigated. For (Cu, Ni)-coated Si particles obtained by primary Cu deposition and successive Ni deposition, Cu and Ni metal layers were individually deposited on the Si particles. In contrast, in case of (Ni, Cu)-coated Si particles prepared by primary Ni deposition, Cu layer stacked on Ni layer owing to a high catalytic activity of Ni, forming a thicker coated layer. The latter electrode exhibited notably improved performance with the discharge capacities over 1000 mA h g-1 maintained until 400th cycle. The layer stack of Cu on Ni is probably effective for a release of a stress from the Si particles during charge–discharge reactions.
Publisher
Elsevier
Content Type
Journal Article
Link
ISSN
0378-7753
NCID
AA1153408X
Journal Title
Journal of power sources
Current Journal Title
Journal of power sources
Volume
196
Issue
23
Start Page
10244
End Page
10248
Published Date
2011-12-01
Publisher-DOI
Text Version
Author
Rights
Copyright © 2011 Elsevier B.V. All rights reserved. This manuscript version is made available under the CC-BY-NC-ND 4.0 license https://creativecommons.org/licenses/by-nc-nd/4.0/
Citation
Journal of power sources. 2011, 196(23), 10244-10248
Department
Faculty of Engineering/Graduate School of Engineering
Language
English