Electrochemical characteristics of semi conductive silicon anode for lithium polymer batteries

Title
Electrochemical characteristics of semi conductive silicon anode for lithium polymer batteries
Authors
아리장원영이중기
Keywords
Lithium polymer battery; Thin films; Impedance; Semi conductive
Issue Date
2010-06
Publisher
Journal of electroceramics
Citation
VOL 24, NO 4, 308-312
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.
URI
http://pubs.kist.re.kr/handle/201004/37467
ISSN
1385-3449
Appears in Collections:
KIST Publication > Article
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