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Proceedings Paper

Characterization of SnO2/Ni/SiO2-MCP anode in three-dimensional lithium-ion battery
Author(s): Xuefeng Lou; Shaohui Xu; Yiping Zhu; Lianwei Wang; Paul K. Chu
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Paper Abstract

By combining a SnO2 thin film with silicon dioxide microchannel plate (SiO2-MCP), a three-dimensional (3D) structure with enough space to accommodate the volume change of SnO2 during charging-discharging is produced by MEMS and electroless deposition. Owing to the special structure of the MCP, the battery is able to deliver a reversible Li storage capacity of 408 mAhg-1 after 100 cycles. If the current density is reduced to 200 mAg-1 at a constant current during charging and discharging, the battery exhibits reversible capacities of 1575 and 996 mAhg-1 in the first discharging and charging cycle, respectively. However, a reversible Li-storage capacity of only 298 mAhg−1 is obtained after 50 cycles of deep charging at a current of 200 mAg−1. It is found that silicon is involved in the charging-discharging process at a low current.

Paper Details

Date Published: 16 December 2013
PDF: 4 pages
Proc. SPIE 9068, Eighth International Conference on Thin Film Physics and Applications, 90681Q (16 December 2013); doi: 10.1117/12.2053841
Show Author Affiliations
Xuefeng Lou, East China Normal Univ. (China)
Shaohui Xu, East China Normal Univ. (China)
Yiping Zhu, 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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