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231224s2013 xx |||||o 00| ||eng c |
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|a 10.1021/la304371d
|2 doi
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|a pubmed24n0745.xml
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|a eng
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| 100 |
1 |
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|a Zhu, Yuanhua
|e verfasserin
|4 aut
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| 245 |
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|a Directing silicon-graphene self-assembly as a core/shell anode for high-performance lithium-ion batteries
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|c 2013
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 17.06.2013
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|a Date Revised 15.01.2013
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a There is great interest in utilization of silicon-containing nanostructures as anode materials for lithium-ion batteries but usually limited by manufacturing cost, their intrinsic low electric conductivity, and large volume changes during cycling. Here we present a facile process to fabricate graphene-wrapped silicon nanowires (GNSSi NWs) directed by electrostatic self-assembly. The highly conductive and mechanical flexible graphene could partially accommodate the large volume change associated with the conversion reaction and also contributed to the enhanced electronic conductivity. The as-prepared GNS@Si NWs delivered a reversible capacity of 1648 mAh·g(-1) with an initial Coulombic efficiency as high as 80%. Moreover, capacity remained 1335 mAh·g(-1) after 80 cycles at a current of 200 mA·g(-1), showing significantly improved electrochemical performance in terms of rate capability and cycling performance
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|a Journal Article
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|a Liu, Wen
|e verfasserin
|4 aut
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1 |
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|a Zhang, Xinyue
|e verfasserin
|4 aut
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| 700 |
1 |
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|a He, Jinchao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Jitao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Yapei
|e verfasserin
|4 aut
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| 700 |
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|a Cao, Tingbing
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 29(2013), 2 vom: 15. Jan., Seite 744-9
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:29
|g year:2013
|g number:2
|g day:15
|g month:01
|g pages:744-9
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|u http://dx.doi.org/10.1021/la304371d
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