Document Detail


Superior lithium electroactive mesoporous Si@carbon core-shell nanowires for lithium battery anode material.
MedLine Citation:
PMID:  18950239     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
Mesoporous Si@carbon core-shell nanowires with a diameter of approximately 6.5 nm were prepared for a lithium battery anode material using a SBA-15 template. As-synthesized nanowires demonstrated excellent first charge capacity of 3163 mA h/g with a Coulombic efficiency of 86% at a rate of 0.2 C (600 mA/g) between 1.5 and 0 V in coin-type half-cells. Moreover, the capacity retention after 80 cycles was 87% and the rate capability at 2 C (6000 mA/g) was 78% the capacity at 0.2 C.
Authors:
Hyesun Kim; Jaephil Cho
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Publication Detail:
Type:  Journal Article     Date:  2008-10-25
Journal Detail:
Title:  Nano letters     Volume:  8     ISSN:  1530-6984     ISO Abbreviation:  Nano Lett.     Publication Date:  2008 Nov 
Date Detail:
Created Date:  2008-11-13     Completed Date:  2008-12-24     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101088070     Medline TA:  Nano Lett     Country:  United States    
Other Details:
Languages:  eng     Pagination:  3688-91     Citation Subset:  -    
Affiliation:
Department of Applied Chemistry, Hanyang University, Ansan, 426-791 Korea.
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