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231224s2014 xx |||||o 00| ||eng c |
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|a 10.1021/la403366e
|2 doi
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|a pubmed25n0779.xml
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|a eng
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|a Bhattacharjya, Dhrubajyoti
|e verfasserin
|4 aut
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|a Nitrogen-doped carbon nanoparticles by flame synthesis as anode material for rechargeable lithium-ion batteries
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|c 2014
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|a Text
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 22.08.2014
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|a Date Revised 14.01.2014
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Nitrogen-doped turbostratic carbon nanoparticles (NPs) are prepared using fast single-step flame synthesis by directly burning acetonitrile in air atmosphere and investigated as an anode material for lithium-ion batteries. The as-prepared N-doped carbon NPs show excellent Li-ion stoarage properties with initial discharge capacity of 596 mA h g(-1), which is 17% more than that shown by the corresponding undoped carbon NPs synthesized by identical process with acetone as carbon precursor and also much higher than that of commercial graphite anode. Further analysis shows that the charge-discharge process of N-doped carbon is highly stable and reversible not only at high current density but also over 100 cycles, retaining 71% of initial discharge capacity. Electrochemical impedance spectroscopy also shows that N-doped carbon has better conductivity for charge and ions than that of undoped carbon. The high specific capacity and very stable cyclic performance are attributed to large number of turbostratic defects and N and associated increased O content in the flame-synthesized N-doped carbon. To the best of our knowledge, this is the first report which demonstrates single-step, direct flame synthesis of N-doped turbostratic carbon NPs and their application as a potential anode material with high capacity and superior battery performance. The method is extremely simple, low cost, energy efficient, very effective, and can be easily scaled up for large scale production
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|a Journal Article
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|a Park, Hyean-Yeol
|e verfasserin
|4 aut
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1 |
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|a Kim, Min-Sik
|e verfasserin
|4 aut
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|a Choi, Hyuck-Soo
|e verfasserin
|4 aut
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|a Inamdar, Shaukatali N
|e verfasserin
|4 aut
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|a Yu, Jong-Sung
|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 1985
|g 30(2014), 1 vom: 14. Jan., Seite 318-24
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|x 1520-5827
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| 773 |
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|g volume:30
|g year:2014
|g number:1
|g day:14
|g month:01
|g pages:318-24
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|u http://dx.doi.org/10.1021/la403366e
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