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Article: High-performance silicon/carbon/graphite composites as anode materials for lithium ion batteries

TitleHigh-performance silicon/carbon/graphite composites as anode materials for lithium ion batteries
Authors
KeywordsAnodes
Dehydration
Electrochemistry
Lithium Batteries
Silicon
Synthesis (Chemical)
Issue Date2006
PublisherElectrochemical Society, Inc. The Journal's web site is located at http://ojps.aip.org/JES
Citation
Journal of the Electrochemical Society, 2006, v. 153 n. 7, p. A1341-A1344 How to Cite?
AbstractSilicon/carbon and silicon/carbon/graphite composites have been synthesized at room temperature using concentrated H2 S O4 as a dehydration agent. As a ductile matrix, the novel amorphous carbon obtained from the dehydration process could effectively buffer the volume change of silicon particles during discharge-charge cycling. The introduction of graphite in the silicon/carbon composite further improved the cycling performance. The composite with 30 wt % of amorphous carbon replaced by graphite demonstrated a stable capacity of 712.8 mAh g-1 and a high capacity retention ratio of 84.1% at 0.1 C over 50 cycles, suggesting it is a favorable candidate as anode material for lithium-ion batteries. © 2006 The Electrochemical Society. All rights Reserved.
Persistent Identifierhttp://hdl.handle.net/10722/91131
ISSN
2015 Impact Factor: 3.014
2015 SCImago Journal Rankings: 1.157
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorYang, Xen_HK
dc.contributor.authorWen, Zen_HK
dc.contributor.authorXu, Xen_HK
dc.contributor.authorLin, Ben_HK
dc.contributor.authorLin, Zen_HK
dc.date.accessioned2010-09-17T10:13:30Z-
dc.date.available2010-09-17T10:13:30Z-
dc.date.issued2006en_HK
dc.identifier.citationJournal of the Electrochemical Society, 2006, v. 153 n. 7, p. A1341-A1344en_HK
dc.identifier.issn0013-4651en_HK
dc.identifier.urihttp://hdl.handle.net/10722/91131-
dc.description.abstractSilicon/carbon and silicon/carbon/graphite composites have been synthesized at room temperature using concentrated H2 S O4 as a dehydration agent. As a ductile matrix, the novel amorphous carbon obtained from the dehydration process could effectively buffer the volume change of silicon particles during discharge-charge cycling. The introduction of graphite in the silicon/carbon composite further improved the cycling performance. The composite with 30 wt % of amorphous carbon replaced by graphite demonstrated a stable capacity of 712.8 mAh g-1 and a high capacity retention ratio of 84.1% at 0.1 C over 50 cycles, suggesting it is a favorable candidate as anode material for lithium-ion batteries. © 2006 The Electrochemical Society. All rights Reserved.en_HK
dc.languageengen_HK
dc.publisherElectrochemical Society, Inc. The Journal's web site is located at http://ojps.aip.org/JESen_HK
dc.relation.ispartofJournal of the Electrochemical Societyen_HK
dc.subjectAnodesen_HK
dc.subjectDehydrationen_HK
dc.subjectElectrochemistryen_HK
dc.subjectLithium Batteriesen_HK
dc.subjectSiliconen_HK
dc.subjectSynthesis (Chemical)en_HK
dc.titleHigh-performance silicon/carbon/graphite composites as anode materials for lithium ion batteriesen_HK
dc.typeArticleen_HK
dc.identifier.emailLin, B:blin@hku.hken_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1149/1.2199435en_HK
dc.identifier.scopuseid_2-s2.0-33744821929en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33744821929&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume153en_HK
dc.identifier.issue7en_HK
dc.identifier.spageA1341en_HK
dc.identifier.epageA1344en_HK
dc.identifier.isiWOS:000237945300014-

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