Abstract
In this paper, the electrochemical characteristics of semi conductive silicon thin films (n-type and p-type silicon) anodes integrated with the solid polymer electrolyte for lithium polymer batteries were investigated. The charge/discharge cycling tests revealed that the phosphorus-doped n-type silicon electrode shows the most stable cyclic performance after the 40th cycle and still maintains a reversible specific capacity of about 2,500 mAh/g. The enhanced electrochemical performance of the doped silicon anode was attributed to the enhancement of its electrical conductivity, which was further confirmed by impedance spectroscopy and surface analysis by XPS.
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Acknowledgement
The authors thank Mr. Ji Hun Park for XPS analysis and helpful discussion. This research was supported by a grant(code #05K1501-01920) from ‘Center for Nanostructured Materials Technology’ under ‘21st Century Frontier R&D Programs’ of the Ministry of Science and Technology, Korea.
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Andreas Arie, A., Chang, W. & Kee Lee, J. Electrochemical characteristics of semi conductive silicon anode for lithium polymer batteries. J Electroceram 24, 308–312 (2010). https://doi.org/10.1007/s10832-009-9573-z
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DOI: https://doi.org/10.1007/s10832-009-9573-z