Comparative Study on Performances of Composite Anodes of SiO, Si and Graphite for Lithium Rechargeable Batteries
IR@CECRI: CSIR-Central Electrochemical Research Institute, Karaikudi
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| Title |
Comparative Study on Performances of Composite Anodes of SiO, Si and Graphite for Lithium Rechargeable Batteries
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| Creator |
Doh, C.H.
Veluchamy, A. Lee, D.J. Lee, J.H. Moon, S.I. Park, C.W. Kim, D.W. |
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| Subject |
Lithium batteries
Electrochemical Power Sources |
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| Description |
The electrochemical performances of anode composites comprising elemental silicon (Si), silicon monoxide (SiO),
and graphite (C) were investigated. The composite devoid of elemental silicon (SiO:C = 1:1) and its carbon coated
composite showed reduced capacity degradation with measured values of 606 and 584 mAh/g at the fiftieth cycle.
The capacity retention nature when the composites were cycled followed the order of Si:SiO:C = 3:1:4 < Si:SiO:C =
2:2:4 < SiO:C = 1:1 < SiO:C = 1:1 (carbon coated). A comparison of the capacity retention properties for the composites
in terms of the silicon content showed that a reduced silicon content increased the stability of the composite
electrodes. Even though the carbon-coated composite delivered low capacity during cycling compared to the other
composites, its low capacity degradation made the anode a better choice for lithium ion batteries.
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| Date |
2010
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| Type |
Article
PeerReviewed |
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| Format |
application/pdf
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| Identifier |
http://cecri.csircentral.net/169/1/2010-013.pdf
Doh, C.H. and Veluchamy, A. and Lee, D.J. and Lee, J.H. and Moon, S.I. and Park, C.W. and Kim, D.W. (2010) Comparative Study on Performances of Composite Anodes of SiO, Si and Graphite for Lithium Rechargeable Batteries. Bulletin of the Korean Chemical Society, 31 (5). pp. 1257-1261. |
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| Relation |
http://cecri.csircentral.net/169/
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