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Proceedings Paper

Super capacitance properties of SnO2 coated nickel/silicon microchannel plates
Author(s): Keshuang Hui; Yiping Zhu; Shaohui Xu; Lianwei Wang; Paul K. Chu
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Paper Abstract

Supercapacitor is achieved by combining tin oxide with three dimensional silicon microchannel plates (Si-MCPs) deposited with nickel film. Electro deposition is applied to deposit the tin oxide on the Ni/Si-MCPs structure followed by sintering at 450°C. The structure and morphology of the samples are characterized by X-ray diffraction (XRD) and scanning electron microscopy (SEM). The electrochemical properties are investigated in 1 M Na2SO4 solution by cyclic voltammetry, galvanostatic charging-discharging, and electrochemical impedance spectroscopy. The highest specific capacitance of 0.814 F/cm2 (171.37 F/g) is achieved from the sample deposited for 2 h followed by sintering for 2 h.

Paper Details

Date Published: 16 December 2013
PDF: 4 pages
Proc. SPIE 9068, Eighth International Conference on Thin Film Physics and Applications, 90681P (16 December 2013); doi: 10.1117/12.2053840
Show Author Affiliations
Keshuang Hui, East China Normal Univ. (China)
Yiping Zhu, East China Normal Univ. (China)
Shaohui Xu, East China Normal Univ. (China)
Lianwei Wang, East China Normal Univ. (China)
City Univ. of Hong Kong (Hong Kong, China)
Paul K. Chu, City Univ. of Hong Kong (Hong Kong, China)


Published in SPIE Proceedings Vol. 9068:
Eighth International Conference on Thin Film Physics and Applications
Junhao Chu; Chunrui Wang, Editor(s)

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